Update mhr format for 24-bit, multi-field, stereo measurements

Currently only single field HRTFs are supported, but the format now allows up to 16.
author: Chris Robinson <[email protected]> 2017-10-22 15:36:42 -0700
committer: Chris Robinson <[email protected]> 2017-10-22 15:36:42 -0700
commit: 0349bcc500fdb9b1245a5ddce01b2896bcf9bbb9 (patch)
tree: c86b3bf998d3450ec41899ea5bddee7c00b55029
parent: 2f5b86dd381ac36d09951e05777ccb97237fa06e (diff)
6 files changed, 5390 insertions, 2923 deletions
diff --git a/Alc/hrtf.c b/Alc/hrtf.c
index 752ca4f8..4f0465de 100644
--- a/Alc/hrtf.c
+++ b/Alc/hrtf.c
@@ -40,12 +40,20 @@
 #define MAX_IR_SIZE                  (512)
 #define MOD_IR_SIZE                  (8)
 
+#define MIN_FD_COUNT                 (1)
+#define MAX_FD_COUNT                 (16)
+
+#define MIN_FD_DISTANCE              (50)
+#define MAX_FD_DISTANCE              (2500)
+
 #define MIN_EV_COUNT                 (5)
 #define MAX_EV_COUNT                 (128)
 
 #define MIN_AZ_COUNT                 (1)
 #define MAX_AZ_COUNT                 (128)
 
+#define MAX_HRIR_DELAY               (HRTF_HISTORY_LENGTH-1)
+
 struct HrtfEntry {
     struct HrtfEntry *next;
     struct Hrtf *handle;
@@ -54,8 +62,7 @@ struct HrtfEntry {
 
 static const ALchar magicMarker00[8] = "MinPHR00";
 static const ALchar magicMarker01[8] = "MinPHR01";
-/* FIXME: Set with the right number when finalized. */
-static const ALchar magicMarker02[18] = "MinPHRTEMPDONOTUSE";
+static const ALchar magicMarker02[8] = "MinPHR02";
 
 /* First value for pass-through coefficients (remaining are 0), used for omni-
  * directional sounds. */
@@ -411,7 +418,6 @@ static const ALubyte *Get_ALubytePtr(const ALubyte **data, size_t *len, size_t s
 
 static struct Hrtf *LoadHrtf00(const ALubyte *data, size_t datalen, const char *filename)
 {
-    const ALubyte maxDelay = HRTF_HISTORY_LENGTH-1;
     struct Hrtf *Hrtf = NULL;
     ALboolean failed = AL_FALSE;
     ALuint rate = 0;
@@ -537,9 +543,9 @@ static struct Hrtf *LoadHrtf00(const ALubyte *data, size_t datalen, const char *
         for(i = 0;i < irCount;i++)
         {
             delays[i][0] = GetLE_ALubyte(&data, &datalen);
-            if(delays[i][0] > maxDelay)
+            if(delays[i][0] > MAX_HRIR_DELAY)
             {
-                ERR("Invalid delays[%d]: %d (%d)\n", i, delays[i][0], maxDelay);
+                ERR("Invalid delays[%d]: %d (%d)\n", i, delays[i][0], MAX_HRIR_DELAY);
                 failed = AL_TRUE;
             }
         }
@@ -577,7 +583,6 @@ static struct Hrtf *LoadHrtf00(const ALubyte *data, size_t datalen, const char *
 
 static struct Hrtf *LoadHrtf01(const ALubyte *data, size_t datalen, const char *filename)
 {
-    const ALubyte maxDelay = HRTF_HISTORY_LENGTH-1;
     struct Hrtf *Hrtf = NULL;
     ALboolean failed = AL_FALSE;
     ALuint rate = 0;
@@ -686,9 +691,9 @@ static struct Hrtf *LoadHrtf01(const ALubyte *data, size_t datalen, const char *
         for(i = 0;i < irCount;i++)
         {
             delays[i][0] = GetLE_ALubyte(&data, &datalen);
-            if(delays[i][0] > maxDelay)
+            if(delays[i][0] > MAX_HRIR_DELAY)
             {
-                ERR("Invalid delays[%d]: %d (%d)\n", i, delays[i][0], maxDelay);
+                ERR("Invalid delays[%d]: %d (%d)\n", i, delays[i][0], MAX_HRIR_DELAY);
                 failed = AL_TRUE;
             }
         }
@@ -731,7 +736,6 @@ static struct Hrtf *LoadHrtf01(const ALubyte *data, size_t datalen, const char *
 
 static struct Hrtf *LoadHrtf02(const ALubyte *data, size_t datalen, const char *filename)
 {
-    const ALubyte maxDelay = HRTF_HISTORY_LENGTH-1;
     struct Hrtf *Hrtf = NULL;
     ALboolean failed = AL_FALSE;
     ALuint rate = 0;
@@ -739,6 +743,8 @@ static struct Hrtf *LoadHrtf02(const ALubyte *data, size_t datalen, const char *
     ALubyte channelType;
     ALushort irCount = 0;
     ALushort irSize = 0;
+    ALubyte fdCount = 0;
+    ALushort distance = 0;
     ALubyte evCount = 0;
     const ALubyte *azCount = NULL;
     ALushort *evOffset = NULL;
@@ -758,7 +764,7 @@ static struct Hrtf *LoadHrtf02(const ALubyte *data, size_t datalen, const char *
 
     irSize = GetLE_ALubyte(&data, &datalen);
 
-    evCount = GetLE_ALubyte(&data, &datalen);
+    fdCount = GetLE_ALubyte(&data, &datalen);
 
     if(sampleType > SAMPLETYPE_S24)
     {
@@ -777,42 +783,67 @@ static struct Hrtf *LoadHrtf02(const ALubyte *data, size_t datalen, const char *
             irSize, MIN_IR_SIZE, MAX_IR_SIZE, MOD_IR_SIZE);
         failed = AL_TRUE;
     }
-    if(evCount < MIN_EV_COUNT || evCount > MAX_EV_COUNT)
+    if(fdCount != 1)
     {
-        ERR("Unsupported elevation count: evCount=%d (%d to %d)\n",
-            evCount, MIN_EV_COUNT, MAX_EV_COUNT);
+        ERR("Multiple field-depths not supported: fdCount=%d (%d to %d)\n",
+            evCount, MIN_FD_COUNT, MAX_FD_COUNT);
         failed = AL_TRUE;
     }
     if(failed)
         return NULL;
 
-    if(datalen < evCount)
+    for(i = 0;i < fdCount;i++)
     {
-        ERR("Unexpected end of %s data (req %d, rem "SZFMT"\n", filename, evCount, datalen);
-        return NULL;
-    }
+        if(datalen < 3)
+        {
+            ERR("Unexpected end of %s data (req %d, rem "SZFMT"\n", filename, 3, datalen);
+            return NULL;
+        }
 
-    azCount = Get_ALubytePtr(&data, &datalen, evCount);
+        distance = GetLE_ALushort(&data, &datalen);
+        if(distance < MIN_FD_DISTANCE || distance > MAX_FD_DISTANCE)
+        {
+            ERR("Unsupported field distance: distance=%d (%dmm to %dmm)\n",
+                distance, MIN_FD_DISTANCE, MAX_FD_DISTANCE);
+            failed = AL_TRUE;
+        }
 
-    evOffset = malloc(sizeof(evOffset[0])*evCount);
-    if(azCount == NULL || evOffset == NULL)
-    {
-        ERR("Out of memory.\n");
-        failed = AL_TRUE;
-    }
+        evCount = GetLE_ALubyte(&data, &datalen);
+        if(evCount < MIN_EV_COUNT || evCount > MAX_EV_COUNT)
+        {
+            ERR("Unsupported elevation count: evCount=%d (%d to %d)\n",
+                evCount, MIN_EV_COUNT, MAX_EV_COUNT);
+            failed = AL_TRUE;
+        }
+        if(failed)
+            return NULL;
 
-    if(!failed)
-    {
-        for(i = 0;i < evCount;i++)
+        if(datalen < evCount)
         {
-            if(azCount[i] < MIN_AZ_COUNT || azCount[i] > MAX_AZ_COUNT)
+            ERR("Unexpected end of %s data (req %d, rem "SZFMT"\n", filename, evCount, datalen);
+            return NULL;
+        }
+
+        azCount = Get_ALubytePtr(&data, &datalen, evCount);
+        for(j = 0;j < evCount;j++)
+        {
+            if(azCount[j] < MIN_AZ_COUNT || azCount[j] > MAX_AZ_COUNT)
             {
                 ERR("Unsupported azimuth count: azCount[%d]=%d (%d to %d)\n",
-                    i, azCount[i], MIN_AZ_COUNT, MAX_AZ_COUNT);
+                    j, azCount[j], MIN_AZ_COUNT, MAX_AZ_COUNT);
                 failed = AL_TRUE;
             }
         }
     }
+    if(failed)
+        return NULL;
+
+    evOffset = malloc(sizeof(evOffset[0])*evCount);
+    if(azCount == NULL || evOffset == NULL)
+    {
+        ERR("Out of memory.\n");
+        failed = AL_TRUE;
+    }
 
     if(!failed)
     {
@@ -846,7 +877,7 @@ static struct Hrtf *LoadHrtf02(const ALubyte *data, size_t datalen, const char *
 
     if(!failed)
     {
-        if(channelType == CHANTYPE_LEFTONLY || channelType == CHANTYPE_LEFTRIGHT)
+        if(channelType == CHANTYPE_LEFTONLY)
         {
             if(sampleType == SAMPLETYPE_S16)
                 for(i = 0;i < irCount;i++)
@@ -860,42 +891,50 @@ static struct Hrtf *LoadHrtf02(const ALubyte *data, size_t datalen, const char *
                     for(j = 0;j < irSize;j++)
                         coeffs[i*irSize + j][0] = GetLE_ALint24(&data, &datalen) / 8388608.0f;
                 }
+
+            for(i = 0;i < irCount;i++)
+            {
+                delays[i][0] = GetLE_ALubyte(&data, &datalen);
+                if(delays[i][0] > MAX_HRIR_DELAY)
+                {
+                    ERR("Invalid delays[%d][0]: %d (%d)\n", i, delays[i][0], MAX_HRIR_DELAY);
+                    failed = AL_TRUE;
+                }
+            }
         }
-        if(channelType == CHANTYPE_LEFTRIGHT)
+        else if(channelType == CHANTYPE_LEFTRIGHT)
         {
             if(sampleType == SAMPLETYPE_S16)
                 for(i = 0;i < irCount;i++)
                 {
                     for(j = 0;j < irSize;j++)
+                    {
+                        coeffs[i*irSize + j][0] = GetLE_ALshort(&data, &datalen) / 32768.0f;
                         coeffs[i*irSize + j][1] = GetLE_ALshort(&data, &datalen) / 32768.0f;
+                    }
                 }
             else if(sampleType == SAMPLETYPE_S24)
                 for(i = 0;i < irCount;i++)
                 {
                     for(j = 0;j < irSize;j++)
+                    {
+                        coeffs[i*irSize + j][0] = GetLE_ALint24(&data, &datalen) / 8388608.0f;
                         coeffs[i*irSize + j][1] = GetLE_ALint24(&data, &datalen) / 8388608.0f;
+                    }
                 }
-        }
-        if(channelType == CHANTYPE_LEFTONLY || channelType == CHANTYPE_LEFTRIGHT)
-        {
+
             for(i = 0;i < irCount;i++)
             {
                 delays[i][0] = GetLE_ALubyte(&data, &datalen);
-                if(delays[i][0] > maxDelay)
+                if(delays[i][0] > MAX_HRIR_DELAY)
                 {
-                    ERR("Invalid delays[%d][0]: %d (%d)\n", i, delays[i][0], maxDelay);
+                    ERR("Invalid delays[%d][0]: %d (%d)\n", i, delays[i][0], MAX_HRIR_DELAY);
                     failed = AL_TRUE;
                 }
-            }
-        }
-        if(channelType == CHANTYPE_LEFTRIGHT)
-        {
-            for(i = 0;i < irCount;i++)
-            {
                 delays[i][1] = GetLE_ALubyte(&data, &datalen);
-                if(delays[i][1] > maxDelay)
+                if(delays[i][1] > MAX_HRIR_DELAY)
                 {
-                    ERR("Invalid delays[%d][1]: %d (%d)\n", i, delays[i][1], maxDelay);
+                    ERR("Invalid delays[%d][1]: %d (%d)\n", i, delays[i][1], MAX_HRIR_DELAY);
                     failed = AL_TRUE;
                 }
             }
diff --git a/docs/hrtf.txt b/docs/hrtf.txt
index 37a329d2..ba8cd8fa 100644
--- a/docs/hrtf.txt
+++ b/docs/hrtf.txt
@@ -29,22 +29,31 @@ rates, for example.
 The file format is specified below. It uses little-endian byte order.
 
 ==
-ALchar   magic[8] = "MinPHR01";
+ALchar   magic[8] = "MinPHR02";
 ALuint   sampleRate;
-
-ALubyte hrirSize;  /* Can be 8 to 128 in steps of 8. */
-ALubyte evCount;   /* Can be 5 to 128. */
-
-ALubyte azCount[evCount]; /* Each can be 1 to 128. */
-
-/* NOTE: hrirCount is the sum of all azCounts */
-ALshort coefficients[hrirCount][hrirSize];
-ALubyte delays[hrirCount]; /* Each can be 0 to 63. */
+ALubyte  sampleType;  /* Can be 0 (16-bit) or 1 (24-bit). */
+ALubyte  channelType; /* Can be 0 (mono) or 1 (stereo). */
+ALubyte  hrirSize;    /* Can be 8 to 128 in steps of 8. */
+ALubyte  fdCount;     /* Can be 1 to 16. */
+
+struct {
+    ALushort distance;        /* Can be 50mm to 2500mm. */
+    ALubyte evCount;          /* Can be 5 to 128. */
+    ALubyte azCount[evCount]; /* Each can be 1 to 128. */
+} fields[fdCount];
+
+/* NOTE: ALtype can be ALshort (16-bit) or ALbyte[3] (24-bit) depending on
+ * sampleType,
+ * hrirCount is the sum of all azCounts.
+ * channels can be 1 (mono) or 2 (stereo) depending on channelType.
+ */
+ALtype coefficients[hrirCount][hrirSize][channels];
+ALubyte delays[hrirCount][channels]; /* Each can be 0 to 63. */
 ==
 
 The data is described as thus:
 
-The file first starts with the 8-byte marker, "MinPHR01", to identify it as an
+The file first starts with the 8-byte marker, "MinPHR02", to identify it as an
 HRTF data set. This is followed by an unsigned 32-bit integer, specifying the
 sample rate the data set is designed for (OpenAL Soft will not use it if the
 output device's playback rate doesn't match).
@@ -52,23 +61,24 @@ output device's playback rate doesn't match).
 Afterward, an unsigned 8-bit integer specifies how many sample points (or
 finite impulse response filter coefficients) make up each HRIR.
 
-The following unsigned 8-bit integer specifies the number of elevations used
-by the data set. The elevations start at the bottom (-90 degrees), and
-increment upwards.  Following this is an array of unsigned 8-bit integers, one
-for each elevation which specifies the number of azimuths (and thus HRIRs) that
-make up each elevation.  Azimuths start clockwise from the front, constructing
-a full circle for the left ear only. The right ear uses the same HRIRs but in
-reverse (ie, left = angle, right = 360-angle).
-
-The actual coefficients follow. Each coefficient is a signed 16-bit sample,
-with each HRIR being a consecutive number of sample points.  The HRIRs must be
-minimum-phase.  This allows the use of a smaller filter length, reducing
-computation.  For reference, the built-in data set uses a 32-point filter while
+The following unsigned 8-bit integer specifies the number of fields used by the
+data set.  Then for each field an unsigned 16-bit short specifies the distance
+for that field (in millimeters), followed by an 8-bit integer for the number of
+elevations.  These elevations start at the bottom (-90 degrees), and increment
+upwards.  Following this is an array of unsigned 8-bit integers, one for each
+elevation which specifies the number of azimuths (and thus HRIRs) that make up
+each elevation.  Azimuths start clockwise from the front, constructing a full
+circle.  Mono HRTFs use the same HRIRs for both ears by reversing the azimuth
+calculation (ie. left = angle, right = 360-angle).
+
+The actual coefficients follow. Each coefficient is a signed 16-bit or 24-bit
+sample.  Stereo HRTFs interleave left/right ear coefficients.  The HRIRs must
+be minimum-phase.  This allows the use of a smaller filter length, reducing
+computation.  For reference, the default data set uses a 32-point filter while
 even the smallest data set provided by MIT used a 128-sample filter (a 4x
-reduction by applying minimum-phase reconstruction). Theoretically, one could
-further reduce the minimum-phase version down to a 16-point filter with only a
-small reduction in quality.
+reduction by applying minimum-phase reconstruction).
 
 After the coefficients is an array of unsigned 8-bit delay values, one for
-each HRIR. This is the propagation delay (in samples) a signal must wait before
-being convolved with the corresponding minimum-phase HRIR filter.
+each HRIR (with stereo HRTFs interleaving left/right ear delays). This is the
+propagation delay (in samples) a signal must wait before being convolved with
+the corresponding minimum-phase HRIR filter.
diff --git a/utils/CIAIR.def b/utils/CIAIR.def
index 9589a694..4876dc50 100644
--- a/utils/CIAIR.def
+++ b/utils/CIAIR.def
@@ -1,9 +1,9 @@
 # This is a makehrtf HRIR definition file.  It is used to define the layout
 # and source data to be processed into an OpenAL Soft compatible HRTF.
 #
-# This definition is used to transform the left ear HRIRs from a data set
-# used in several papers and articles by Fumitada Itakura, Kazuya Takeda,
-# Mikio Ikeda, Shoji Kajita, and Takanori Nishino.
+# This definition is used to transform the left and right ear HRIRs from a
+# data set used in several papers and articles by Fumitada Itakura, Kazuya
+# Takeda, Mikio Ikeda, Shoji Kajita, and Takanori Nishino.
 #
 # The data (data02.tgz) can be obtained from The Database of Head Related
 # Transfer Functions hosted by the Takeda Laboratory at Nagoya University:
@@ -17,1994 +17,3942 @@
 
 rate     = 44100
 
-points   = 512
+# The CIAIR set is stereo because it provides both ear HRIRs.
+type     = stereo
 
-# The CIAIR set is composed of a uniform number of azimuths for all but the
-# poles (-90 and 90 degree elevation).
-azimuths = 1, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 1
+points   = 512
 
 # No head radius was provided.  Just use the average radius of 9 cm.
 radius   = 0.09
 
-# The distance between the source and the listener is not known for this set,
-# so 1.5 m is used.
+# The CIAIR set is composed of a single field with an unknown distance
+# between the source and the listener, so a guess of 1.5 meters is used.
 distance = 1.5
 
+# This set has a uniform number of azimuths for all but the poles (-90 and 90
+# degree elevation).
+azimuths = 1, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 72, 1
+
 # The CIAIR source azimuth is counter-clockwise, so it needs to be flipped.
 # The extension of the source data may be misleading, they're ASCII text
-# lists of floating point values (one per line).
-
-[  9,  0 ] = ascii (fp) : "./hrtfs/elev-45/L-45e000a.dat"
-[  9,  1 ] = ascii (fp) : "./hrtfs/elev-45/L-45e355a.dat"
-[  9,  2 ] = ascii (fp) : "./hrtfs/elev-45/L-45e350a.dat"
-[  9,  3 ] = ascii (fp) : "./hrtfs/elev-45/L-45e345a.dat"
-[  9,  4 ] = ascii (fp) : "./hrtfs/elev-45/L-45e340a.dat"
-[  9,  5 ] = ascii (fp) : "./hrtfs/elev-45/L-45e335a.dat"
-[  9,  6 ] = ascii (fp) : "./hrtfs/elev-45/L-45e330a.dat"
-[  9,  7 ] = ascii (fp) : "./hrtfs/elev-45/L-45e325a.dat"
-[  9,  8 ] = ascii (fp) : "./hrtfs/elev-45/L-45e320a.dat"
-[  9,  9 ] = ascii (fp) : "./hrtfs/elev-45/L-45e315a.dat"
-[  9, 10 ] = ascii (fp) : "./hrtfs/elev-45/L-45e310a.dat"
-[  9, 11 ] = ascii (fp) : "./hrtfs/elev-45/L-45e305a.dat"
-[  9, 12 ] = ascii (fp) : "./hrtfs/elev-45/L-45e300a.dat"
-[  9, 13 ] = ascii (fp) : "./hrtfs/elev-45/L-45e295a.dat"
-[  9, 14 ] = ascii (fp) : "./hrtfs/elev-45/L-45e290a.dat"
-[  9, 15 ] = ascii (fp) : "./hrtfs/elev-45/L-45e285a.dat"
-[  9, 16 ] = ascii (fp) : "./hrtfs/elev-45/L-45e280a.dat"
-[  9, 17 ] = ascii (fp) : "./hrtfs/elev-45/L-45e275a.dat"
-[  9, 18 ] = ascii (fp) : "./hrtfs/elev-45/L-45e270a.dat"
-[  9, 19 ] = ascii (fp) : "./hrtfs/elev-45/L-45e265a.dat"
-[  9, 20 ] = ascii (fp) : "./hrtfs/elev-45/L-45e260a.dat"
-[  9, 21 ] = ascii (fp) : "./hrtfs/elev-45/L-45e255a.dat"
-[  9, 22 ] = ascii (fp) : "./hrtfs/elev-45/L-45e250a.dat"
-[  9, 23 ] = ascii (fp) : "./hrtfs/elev-45/L-45e245a.dat"
-[  9, 24 ] = ascii (fp) : "./hrtfs/elev-45/L-45e240a.dat"
-[  9, 25 ] = ascii (fp) : "./hrtfs/elev-45/L-45e235a.dat"
-[  9, 26 ] = ascii (fp) : "./hrtfs/elev-45/L-45e230a.dat"
-[  9, 27 ] = ascii (fp) : "./hrtfs/elev-45/L-45e225a.dat"
-[  9, 28 ] = ascii (fp) : "./hrtfs/elev-45/L-45e220a.dat"
-[  9, 29 ] = ascii (fp) : "./hrtfs/elev-45/L-45e215a.dat"
-[  9, 30 ] = ascii (fp) : "./hrtfs/elev-45/L-45e210a.dat"
-[  9, 31 ] = ascii (fp) : "./hrtfs/elev-45/L-45e205a.dat"
-[  9, 32 ] = ascii (fp) : "./hrtfs/elev-45/L-45e200a.dat"
-[  9, 33 ] = ascii (fp) : "./hrtfs/elev-45/L-45e195a.dat"
-[  9, 34 ] = ascii (fp) : "./hrtfs/elev-45/L-45e190a.dat"
-[  9, 35 ] = ascii (fp) : "./hrtfs/elev-45/L-45e185a.dat"
-[  9, 36 ] = ascii (fp) : "./hrtfs/elev-45/L-45e180a.dat"
-[  9, 37 ] = ascii (fp) : "./hrtfs/elev-45/L-45e175a.dat"
-[  9, 38 ] = ascii (fp) : "./hrtfs/elev-45/L-45e170a.dat"
-[  9, 39 ] = ascii (fp) : "./hrtfs/elev-45/L-45e165a.dat"
-[  9, 40 ] = ascii (fp) : "./hrtfs/elev-45/L-45e160a.dat"
-[  9, 41 ] = ascii (fp) : "./hrtfs/elev-45/L-45e155a.dat"
-[  9, 42 ] = ascii (fp) : "./hrtfs/elev-45/L-45e150a.dat"
-[  9, 43 ] = ascii (fp) : "./hrtfs/elev-45/L-45e145a.dat"
-[  9, 44 ] = ascii (fp) : "./hrtfs/elev-45/L-45e140a.dat"
-[  9, 45 ] = ascii (fp) : "./hrtfs/elev-45/L-45e135a.dat"
-[  9, 46 ] = ascii (fp) : "./hrtfs/elev-45/L-45e130a.dat"
-[  9, 47 ] = ascii (fp) : "./hrtfs/elev-45/L-45e125a.dat"
-[  9, 48 ] = ascii (fp) : "./hrtfs/elev-45/L-45e120a.dat"
-[  9, 49 ] = ascii (fp) : "./hrtfs/elev-45/L-45e115a.dat"
-[  9, 50 ] = ascii (fp) : "./hrtfs/elev-45/L-45e110a.dat"
-[  9, 51 ] = ascii (fp) : "./hrtfs/elev-45/L-45e105a.dat"
-[  9, 52 ] = ascii (fp) : "./hrtfs/elev-45/L-45e100a.dat"
-[  9, 53 ] = ascii (fp) : "./hrtfs/elev-45/L-45e095a.dat"
-[  9, 54 ] = ascii (fp) : "./hrtfs/elev-45/L-45e090a.dat"
-[  9, 55 ] = ascii (fp) : "./hrtfs/elev-45/L-45e085a.dat"
-[  9, 56 ] = ascii (fp) : "./hrtfs/elev-45/L-45e080a.dat"
-[  9, 57 ] = ascii (fp) : "./hrtfs/elev-45/L-45e075a.dat"
-[  9, 58 ] = ascii (fp) : "./hrtfs/elev-45/L-45e070a.dat"
-[  9, 59 ] = ascii (fp) : "./hrtfs/elev-45/L-45e065a.dat"
-[  9, 60 ] = ascii (fp) : "./hrtfs/elev-45/L-45e060a.dat"
-[  9, 61 ] = ascii (fp) : "./hrtfs/elev-45/L-45e055a.dat"
-[  9, 62 ] = ascii (fp) : "./hrtfs/elev-45/L-45e050a.dat"
-[  9, 63 ] = ascii (fp) : "./hrtfs/elev-45/L-45e045a.dat"
-[  9, 64 ] = ascii (fp) : "./hrtfs/elev-45/L-45e040a.dat"
-[  9, 65 ] = ascii (fp) : "./hrtfs/elev-45/L-45e035a.dat"
-[  9, 66 ] = ascii (fp) : "./hrtfs/elev-45/L-45e030a.dat"
-[  9, 67 ] = ascii (fp) : "./hrtfs/elev-45/L-45e025a.dat"
-[  9, 68 ] = ascii (fp) : "./hrtfs/elev-45/L-45e020a.dat"
-[  9, 69 ] = ascii (fp) : "./hrtfs/elev-45/L-45e015a.dat"
-[  9, 70 ] = ascii (fp) : "./hrtfs/elev-45/L-45e010a.dat"
-[  9, 71 ] = ascii (fp) : "./hrtfs/elev-45/L-45e005a.dat"
+# lists of floating point values (one per line).  Left and right ear HRIRs
+# (from the respective files) are used to create a stereo HRTF.
+[  9,  0 ] = ascii (fp) : "./hrtfs/elev-45/L-45e000a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e000a.dat right
+[  9,  1 ] = ascii (fp) : "./hrtfs/elev-45/L-45e355a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e355a.dat right
+[  9,  2 ] = ascii (fp) : "./hrtfs/elev-45/L-45e350a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e350a.dat right
+[  9,  3 ] = ascii (fp) : "./hrtfs/elev-45/L-45e345a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e345a.dat right
+[  9,  4 ] = ascii (fp) : "./hrtfs/elev-45/L-45e340a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e340a.dat right
+[  9,  5 ] = ascii (fp) : "./hrtfs/elev-45/L-45e335a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e335a.dat right
+[  9,  6 ] = ascii (fp) : "./hrtfs/elev-45/L-45e330a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e330a.dat right
+[  9,  7 ] = ascii (fp) : "./hrtfs/elev-45/L-45e325a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e325a.dat right
+[  9,  8 ] = ascii (fp) : "./hrtfs/elev-45/L-45e320a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e320a.dat right
+[  9,  9 ] = ascii (fp) : "./hrtfs/elev-45/L-45e315a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e315a.dat right
+[  9, 10 ] = ascii (fp) : "./hrtfs/elev-45/L-45e310a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e310a.dat right
+[  9, 11 ] = ascii (fp) : "./hrtfs/elev-45/L-45e305a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e305a.dat right
+[  9, 12 ] = ascii (fp) : "./hrtfs/elev-45/L-45e300a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e300a.dat right
+[  9, 13 ] = ascii (fp) : "./hrtfs/elev-45/L-45e295a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e295a.dat right
+[  9, 14 ] = ascii (fp) : "./hrtfs/elev-45/L-45e290a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e290a.dat right
+[  9, 15 ] = ascii (fp) : "./hrtfs/elev-45/L-45e285a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e285a.dat right
+[  9, 16 ] = ascii (fp) : "./hrtfs/elev-45/L-45e280a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e280a.dat right
+[  9, 17 ] = ascii (fp) : "./hrtfs/elev-45/L-45e275a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e275a.dat right
+[  9, 18 ] = ascii (fp) : "./hrtfs/elev-45/L-45e270a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e270a.dat right
+[  9, 19 ] = ascii (fp) : "./hrtfs/elev-45/L-45e265a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e265a.dat right
+[  9, 20 ] = ascii (fp) : "./hrtfs/elev-45/L-45e260a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e260a.dat right
+[  9, 21 ] = ascii (fp) : "./hrtfs/elev-45/L-45e255a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e255a.dat right
+[  9, 22 ] = ascii (fp) : "./hrtfs/elev-45/L-45e250a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e250a.dat right
+[  9, 23 ] = ascii (fp) : "./hrtfs/elev-45/L-45e245a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e245a.dat right
+[  9, 24 ] = ascii (fp) : "./hrtfs/elev-45/L-45e240a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e240a.dat right
+[  9, 25 ] = ascii (fp) : "./hrtfs/elev-45/L-45e235a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e235a.dat right
+[  9, 26 ] = ascii (fp) : "./hrtfs/elev-45/L-45e230a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e230a.dat right
+[  9, 27 ] = ascii (fp) : "./hrtfs/elev-45/L-45e225a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e225a.dat right
+[  9, 28 ] = ascii (fp) : "./hrtfs/elev-45/L-45e220a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e220a.dat right
+[  9, 29 ] = ascii (fp) : "./hrtfs/elev-45/L-45e215a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e215a.dat right
+[  9, 30 ] = ascii (fp) : "./hrtfs/elev-45/L-45e210a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e210a.dat right
+[  9, 31 ] = ascii (fp) : "./hrtfs/elev-45/L-45e205a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e205a.dat right
+[  9, 32 ] = ascii (fp) : "./hrtfs/elev-45/L-45e200a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e200a.dat right
+[  9, 33 ] = ascii (fp) : "./hrtfs/elev-45/L-45e195a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e195a.dat right
+[  9, 34 ] = ascii (fp) : "./hrtfs/elev-45/L-45e190a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e190a.dat right
+[  9, 35 ] = ascii (fp) : "./hrtfs/elev-45/L-45e185a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e185a.dat right
+[  9, 36 ] = ascii (fp) : "./hrtfs/elev-45/L-45e180a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e180a.dat right
+[  9, 37 ] = ascii (fp) : "./hrtfs/elev-45/L-45e175a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e175a.dat right
+[  9, 38 ] = ascii (fp) : "./hrtfs/elev-45/L-45e170a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e170a.dat right
+[  9, 39 ] = ascii (fp) : "./hrtfs/elev-45/L-45e165a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e165a.dat right
+[  9, 40 ] = ascii (fp) : "./hrtfs/elev-45/L-45e160a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e160a.dat right
+[  9, 41 ] = ascii (fp) : "./hrtfs/elev-45/L-45e155a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e155a.dat right
+[  9, 42 ] = ascii (fp) : "./hrtfs/elev-45/L-45e150a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e150a.dat right
+[  9, 43 ] = ascii (fp) : "./hrtfs/elev-45/L-45e145a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e145a.dat right
+[  9, 44 ] = ascii (fp) : "./hrtfs/elev-45/L-45e140a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e140a.dat right
+[  9, 45 ] = ascii (fp) : "./hrtfs/elev-45/L-45e135a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e135a.dat right
+[  9, 46 ] = ascii (fp) : "./hrtfs/elev-45/L-45e130a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e130a.dat right
+[  9, 47 ] = ascii (fp) : "./hrtfs/elev-45/L-45e125a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e125a.dat right
+[  9, 48 ] = ascii (fp) : "./hrtfs/elev-45/L-45e120a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e120a.dat right
+[  9, 49 ] = ascii (fp) : "./hrtfs/elev-45/L-45e115a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e115a.dat right
+[  9, 50 ] = ascii (fp) : "./hrtfs/elev-45/L-45e110a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e110a.dat right
+[  9, 51 ] = ascii (fp) : "./hrtfs/elev-45/L-45e105a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e105a.dat right
+[  9, 52 ] = ascii (fp) : "./hrtfs/elev-45/L-45e100a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e100a.dat right
+[  9, 53 ] = ascii (fp) : "./hrtfs/elev-45/L-45e095a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e095a.dat right
+[  9, 54 ] = ascii (fp) : "./hrtfs/elev-45/L-45e090a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e090a.dat right
+[  9, 55 ] = ascii (fp) : "./hrtfs/elev-45/L-45e085a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e085a.dat right
+[  9, 56 ] = ascii (fp) : "./hrtfs/elev-45/L-45e080a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e080a.dat right
+[  9, 57 ] = ascii (fp) : "./hrtfs/elev-45/L-45e075a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e075a.dat right
+[  9, 58 ] = ascii (fp) : "./hrtfs/elev-45/L-45e070a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e070a.dat right
+[  9, 59 ] = ascii (fp) : "./hrtfs/elev-45/L-45e065a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e065a.dat right
+[  9, 60 ] = ascii (fp) : "./hrtfs/elev-45/L-45e060a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e060a.dat right
+[  9, 61 ] = ascii (fp) : "./hrtfs/elev-45/L-45e055a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e055a.dat right
+[  9, 62 ] = ascii (fp) : "./hrtfs/elev-45/L-45e050a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e050a.dat right
+[  9, 63 ] = ascii (fp) : "./hrtfs/elev-45/L-45e045a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e045a.dat right
+[  9, 64 ] = ascii (fp) : "./hrtfs/elev-45/L-45e040a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e040a.dat right
+[  9, 65 ] = ascii (fp) : "./hrtfs/elev-45/L-45e035a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e035a.dat right
+[  9, 66 ] = ascii (fp) : "./hrtfs/elev-45/L-45e030a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e030a.dat right
+[  9, 67 ] = ascii (fp) : "./hrtfs/elev-45/L-45e025a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e025a.dat right
+[  9, 68 ] = ascii (fp) : "./hrtfs/elev-45/L-45e020a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e020a.dat right
+[  9, 69 ] = ascii (fp) : "./hrtfs/elev-45/L-45e015a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e015a.dat right
+[  9, 70 ] = ascii (fp) : "./hrtfs/elev-45/L-45e010a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e010a.dat right
+[  9, 71 ] = ascii (fp) : "./hrtfs/elev-45/L-45e005a.dat left
+           + ascii (fp) : "./hrtfs/elev-45/R-45e005a.dat right
 
-[ 10,  0 ] = ascii (fp) : "./hrtfs/elev-40/L-40e000a.dat"
-[ 10,  1 ] = ascii (fp) : "./hrtfs/elev-40/L-40e355a.dat"
-[ 10,  2 ] = ascii (fp) : "./hrtfs/elev-40/L-40e350a.dat"
-[ 10,  3 ] = ascii (fp) : "./hrtfs/elev-40/L-40e345a.dat"
-[ 10,  4 ] = ascii (fp) : "./hrtfs/elev-40/L-40e340a.dat"
-[ 10,  5 ] = ascii (fp) : "./hrtfs/elev-40/L-40e335a.dat"
-[ 10,  6 ] = ascii (fp) : "./hrtfs/elev-40/L-40e330a.dat"
-[ 10,  7 ] = ascii (fp) : "./hrtfs/elev-40/L-40e325a.dat"
-[ 10,  8 ] = ascii (fp) : "./hrtfs/elev-40/L-40e320a.dat"
-[ 10,  9 ] = ascii (fp) : "./hrtfs/elev-40/L-40e315a.dat"
-[ 10, 10 ] = ascii (fp) : "./hrtfs/elev-40/L-40e310a.dat"
-[ 10, 11 ] = ascii (fp) : "./hrtfs/elev-40/L-40e305a.dat"
-[ 10, 12 ] = ascii (fp) : "./hrtfs/elev-40/L-40e300a.dat"
-[ 10, 13 ] = ascii (fp) : "./hrtfs/elev-40/L-40e295a.dat"
-[ 10, 14 ] = ascii (fp) : "./hrtfs/elev-40/L-40e290a.dat"
-[ 10, 15 ] = ascii (fp) : "./hrtfs/elev-40/L-40e285a.dat"
-[ 10, 16 ] = ascii (fp) : "./hrtfs/elev-40/L-40e280a.dat"
-[ 10, 17 ] = ascii (fp) : "./hrtfs/elev-40/L-40e275a.dat"
-[ 10, 18 ] = ascii (fp) : "./hrtfs/elev-40/L-40e270a.dat"
-[ 10, 19 ] = ascii (fp) : "./hrtfs/elev-40/L-40e265a.dat"
-[ 10, 20 ] = ascii (fp) : "./hrtfs/elev-40/L-40e260a.dat"
-[ 10, 21 ] = ascii (fp) : "./hrtfs/elev-40/L-40e255a.dat"
-[ 10, 22 ] = ascii (fp) : "./hrtfs/elev-40/L-40e250a.dat"
-[ 10, 23 ] = ascii (fp) : "./hrtfs/elev-40/L-40e245a.dat"
-[ 10, 24 ] = ascii (fp) : "./hrtfs/elev-40/L-40e240a.dat"
-[ 10, 25 ] = ascii (fp) : "./hrtfs/elev-40/L-40e235a.dat"
-[ 10, 26 ] = ascii (fp) : "./hrtfs/elev-40/L-40e230a.dat"
-[ 10, 27 ] = ascii (fp) : "./hrtfs/elev-40/L-40e225a.dat"
-[ 10, 28 ] = ascii (fp) : "./hrtfs/elev-40/L-40e220a.dat"
-[ 10, 29 ] = ascii (fp) : "./hrtfs/elev-40/L-40e215a.dat"
-[ 10, 30 ] = ascii (fp) : "./hrtfs/elev-40/L-40e210a.dat"
-[ 10, 31 ] = ascii (fp) : "./hrtfs/elev-40/L-40e205a.dat"
-[ 10, 32 ] = ascii (fp) : "./hrtfs/elev-40/L-40e200a.dat"
-[ 10, 33 ] = ascii (fp) : "./hrtfs/elev-40/L-40e195a.dat"
-[ 10, 34 ] = ascii (fp) : "./hrtfs/elev-40/L-40e190a.dat"
-[ 10, 35 ] = ascii (fp) : "./hrtfs/elev-40/L-40e185a.dat"
-[ 10, 36 ] = ascii (fp) : "./hrtfs/elev-40/L-40e180a.dat"
-[ 10, 37 ] = ascii (fp) : "./hrtfs/elev-40/L-40e175a.dat"
-[ 10, 38 ] = ascii (fp) : "./hrtfs/elev-40/L-40e170a.dat"
-[ 10, 39 ] = ascii (fp) : "./hrtfs/elev-40/L-40e165a.dat"
-[ 10, 40 ] = ascii (fp) : "./hrtfs/elev-40/L-40e160a.dat"
-[ 10, 41 ] = ascii (fp) : "./hrtfs/elev-40/L-40e155a.dat"
-[ 10, 42 ] = ascii (fp) : "./hrtfs/elev-40/L-40e150a.dat"
-[ 10, 43 ] = ascii (fp) : "./hrtfs/elev-40/L-40e145a.dat"
-[ 10, 44 ] = ascii (fp) : "./hrtfs/elev-40/L-40e140a.dat"
-[ 10, 45 ] = ascii (fp) : "./hrtfs/elev-40/L-40e135a.dat"
-[ 10, 46 ] = ascii (fp) : "./hrtfs/elev-40/L-40e130a.dat"
-[ 10, 47 ] = ascii (fp) : "./hrtfs/elev-40/L-40e125a.dat"
-[ 10, 48 ] = ascii (fp) : "./hrtfs/elev-40/L-40e120a.dat"
-[ 10, 49 ] = ascii (fp) : "./hrtfs/elev-40/L-40e115a.dat"
-[ 10, 50 ] = ascii (fp) : "./hrtfs/elev-40/L-40e110a.dat"
-[ 10, 51 ] = ascii (fp) : "./hrtfs/elev-40/L-40e105a.dat"
-[ 10, 52 ] = ascii (fp) : "./hrtfs/elev-40/L-40e100a.dat"
-[ 10, 53 ] = ascii (fp) : "./hrtfs/elev-40/L-40e095a.dat"
-[ 10, 54 ] = ascii (fp) : "./hrtfs/elev-40/L-40e090a.dat"
-[ 10, 55 ] = ascii (fp) : "./hrtfs/elev-40/L-40e085a.dat"
-[ 10, 56 ] = ascii (fp) : "./hrtfs/elev-40/L-40e080a.dat"
-[ 10, 57 ] = ascii (fp) : "./hrtfs/elev-40/L-40e075a.dat"
-[ 10, 58 ] = ascii (fp) : "./hrtfs/elev-40/L-40e070a.dat"
-[ 10, 59 ] = ascii (fp) : "./hrtfs/elev-40/L-40e065a.dat"
-[ 10, 60 ] = ascii (fp) : "./hrtfs/elev-40/L-40e060a.dat"
-[ 10, 61 ] = ascii (fp) : "./hrtfs/elev-40/L-40e055a.dat"
-[ 10, 62 ] = ascii (fp) : "./hrtfs/elev-40/L-40e050a.dat"
-[ 10, 63 ] = ascii (fp) : "./hrtfs/elev-40/L-40e045a.dat"
-[ 10, 64 ] = ascii (fp) : "./hrtfs/elev-40/L-40e040a.dat"
-[ 10, 65 ] = ascii (fp) : "./hrtfs/elev-40/L-40e035a.dat"
-[ 10, 66 ] = ascii (fp) : "./hrtfs/elev-40/L-40e030a.dat"
-[ 10, 67 ] = ascii (fp) : "./hrtfs/elev-40/L-40e025a.dat"
-[ 10, 68 ] = ascii (fp) : "./hrtfs/elev-40/L-40e020a.dat"
-[ 10, 69 ] = ascii (fp) : "./hrtfs/elev-40/L-40e015a.dat"
-[ 10, 70 ] = ascii (fp) : "./hrtfs/elev-40/L-40e010a.dat"
-[ 10, 71 ] = ascii (fp) : "./hrtfs/elev-40/L-40e005a.dat"
+[ 10,  0 ] = ascii (fp) : "./hrtfs/elev-40/L-40e000a.dat left
+           + ascii (fp) : "./hrtfs/elev-40/R-40e000a.dat right
+[ 10,  1 ] = ascii (fp) : "./hrtfs/elev-40/L-40e355a.dat left
+           + ascii (fp) : "./hrtfs/elev-40/R-40e355a.dat right
+[ 10,  2 ] = ascii (fp) : "./hrtfs/elev-40/L-40e350a.dat left
+           + ascii (fp) : "./hrtfs/elev-40/R-40e350a.dat right
+[ 10,  3 ] = ascii (fp) : "./hrtfs/elev-40/L-40e345a.dat left
+           + ascii (fp) : "./hrtfs/elev-40/R-40e345a.dat right
+[ 10,  4 ] = ascii (fp) : "./hrtfs/elev-40/L-40e340a.dat left
+           + ascii (fp) : "./hrtfs/elev-40/R-40e340a.dat right
+[ 10,  5 ] = ascii (fp) : "./hrtfs/elev-40/L-40e335a.dat left
+           + ascii (fp) : "./hrtfs/elev-40/R-40e335a.dat right
+[ 10,  6 ] = ascii (fp) : "./hrtfs/elev-40/L-40e330a.dat left
+           + ascii (fp) : "./hrtfs/elev-40/R-40e330a.dat right
+[ 10,  7 ] = ascii (fp) : "./hrtfs/elev-40/L-40e325a.dat left
+           + ascii (fp) : "./hrtfs/elev-40/R-40e325a.dat right
+[ 10,  8 ] = ascii (fp) : "./hrtfs/elev-40/L-40e320a.dat left
+           + ascii (fp) : "./hrtfs/elev-40/R-40e320a.dat right
+[ 10,  9 ] = ascii (fp) : "./hrtfs/elev-40/L-40e315a.dat left
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-[ 11,  0 ] = ascii (fp) : "./hrtfs/elev-35/L-35e000a.dat"
-[ 11,  1 ] = ascii (fp) : "./hrtfs/elev-35/L-35e355a.dat"
-[ 11,  2 ] = ascii (fp) : "./hrtfs/elev-35/L-35e350a.dat"
-[ 11,  3 ] = ascii (fp) : "./hrtfs/elev-35/L-35e345a.dat"
-[ 11,  4 ] = ascii (fp) : "./hrtfs/elev-35/L-35e340a.dat"
-[ 11,  5 ] = ascii (fp) : "./hrtfs/elev-35/L-35e335a.dat"
-[ 11,  6 ] = ascii (fp) : "./hrtfs/elev-35/L-35e330a.dat"
-[ 11,  7 ] = ascii (fp) : "./hrtfs/elev-35/L-35e325a.dat"
-[ 11,  8 ] = ascii (fp) : "./hrtfs/elev-35/L-35e320a.dat"
-[ 11,  9 ] = ascii (fp) : "./hrtfs/elev-35/L-35e315a.dat"
-[ 11, 10 ] = ascii (fp) : "./hrtfs/elev-35/L-35e310a.dat"
-[ 11, 11 ] = ascii (fp) : "./hrtfs/elev-35/L-35e305a.dat"
-[ 11, 12 ] = ascii (fp) : "./hrtfs/elev-35/L-35e300a.dat"
-[ 11, 13 ] = ascii (fp) : "./hrtfs/elev-35/L-35e295a.dat"
-[ 11, 14 ] = ascii (fp) : "./hrtfs/elev-35/L-35e290a.dat"
-[ 11, 15 ] = ascii (fp) : "./hrtfs/elev-35/L-35e285a.dat"
-[ 11, 16 ] = ascii (fp) : "./hrtfs/elev-35/L-35e280a.dat"
-[ 11, 17 ] = ascii (fp) : "./hrtfs/elev-35/L-35e275a.dat"
-[ 11, 18 ] = ascii (fp) : "./hrtfs/elev-35/L-35e270a.dat"
-[ 11, 19 ] = ascii (fp) : "./hrtfs/elev-35/L-35e265a.dat"
-[ 11, 20 ] = ascii (fp) : "./hrtfs/elev-35/L-35e260a.dat"
-[ 11, 21 ] = ascii (fp) : "./hrtfs/elev-35/L-35e255a.dat"
-[ 11, 22 ] = ascii (fp) : "./hrtfs/elev-35/L-35e250a.dat"
-[ 11, 23 ] = ascii (fp) : "./hrtfs/elev-35/L-35e245a.dat"
-[ 11, 24 ] = ascii (fp) : "./hrtfs/elev-35/L-35e240a.dat"
-[ 11, 25 ] = ascii (fp) : "./hrtfs/elev-35/L-35e235a.dat"
-[ 11, 26 ] = ascii (fp) : "./hrtfs/elev-35/L-35e230a.dat"
-[ 11, 27 ] = ascii (fp) : "./hrtfs/elev-35/L-35e225a.dat"
-[ 11, 28 ] = ascii (fp) : "./hrtfs/elev-35/L-35e220a.dat"
-[ 11, 29 ] = ascii (fp) : "./hrtfs/elev-35/L-35e215a.dat"
-[ 11, 30 ] = ascii (fp) : "./hrtfs/elev-35/L-35e210a.dat"
-[ 11, 31 ] = ascii (fp) : "./hrtfs/elev-35/L-35e205a.dat"
-[ 11, 32 ] = ascii (fp) : "./hrtfs/elev-35/L-35e200a.dat"
-[ 11, 33 ] = ascii (fp) : "./hrtfs/elev-35/L-35e195a.dat"
-[ 11, 34 ] = ascii (fp) : "./hrtfs/elev-35/L-35e190a.dat"
-[ 11, 35 ] = ascii (fp) : "./hrtfs/elev-35/L-35e185a.dat"
-[ 11, 36 ] = ascii (fp) : "./hrtfs/elev-35/L-35e180a.dat"
-[ 11, 37 ] = ascii (fp) : "./hrtfs/elev-35/L-35e175a.dat"
-[ 11, 38 ] = ascii (fp) : "./hrtfs/elev-35/L-35e170a.dat"
-[ 11, 39 ] = ascii (fp) : "./hrtfs/elev-35/L-35e165a.dat"
-[ 11, 40 ] = ascii (fp) : "./hrtfs/elev-35/L-35e160a.dat"
-[ 11, 41 ] = ascii (fp) : "./hrtfs/elev-35/L-35e155a.dat"
-[ 11, 42 ] = ascii (fp) : "./hrtfs/elev-35/L-35e150a.dat"
-[ 11, 43 ] = ascii (fp) : "./hrtfs/elev-35/L-35e145a.dat"
-[ 11, 44 ] = ascii (fp) : "./hrtfs/elev-35/L-35e140a.dat"
-[ 11, 45 ] = ascii (fp) : "./hrtfs/elev-35/L-35e135a.dat"
-[ 11, 46 ] = ascii (fp) : "./hrtfs/elev-35/L-35e130a.dat"
-[ 11, 47 ] = ascii (fp) : "./hrtfs/elev-35/L-35e125a.dat"
-[ 11, 48 ] = ascii (fp) : "./hrtfs/elev-35/L-35e120a.dat"
-[ 11, 49 ] = ascii (fp) : "./hrtfs/elev-35/L-35e115a.dat"
-[ 11, 50 ] = ascii (fp) : "./hrtfs/elev-35/L-35e110a.dat"
-[ 11, 51 ] = ascii (fp) : "./hrtfs/elev-35/L-35e105a.dat"
-[ 11, 52 ] = ascii (fp) : "./hrtfs/elev-35/L-35e100a.dat"
-[ 11, 53 ] = ascii (fp) : "./hrtfs/elev-35/L-35e095a.dat"
-[ 11, 54 ] = ascii (fp) : "./hrtfs/elev-35/L-35e090a.dat"
-[ 11, 55 ] = ascii (fp) : "./hrtfs/elev-35/L-35e085a.dat"
-[ 11, 56 ] = ascii (fp) : "./hrtfs/elev-35/L-35e080a.dat"
-[ 11, 57 ] = ascii (fp) : "./hrtfs/elev-35/L-35e075a.dat"
-[ 11, 58 ] = ascii (fp) : "./hrtfs/elev-35/L-35e070a.dat"
-[ 11, 59 ] = ascii (fp) : "./hrtfs/elev-35/L-35e065a.dat"
-[ 11, 60 ] = ascii (fp) : "./hrtfs/elev-35/L-35e060a.dat"
-[ 11, 61 ] = ascii (fp) : "./hrtfs/elev-35/L-35e055a.dat"
-[ 11, 62 ] = ascii (fp) : "./hrtfs/elev-35/L-35e050a.dat"
-[ 11, 63 ] = ascii (fp) : "./hrtfs/elev-35/L-35e045a.dat"
-[ 11, 64 ] = ascii (fp) : "./hrtfs/elev-35/L-35e040a.dat"
-[ 11, 65 ] = ascii (fp) : "./hrtfs/elev-35/L-35e035a.dat"
-[ 11, 66 ] = ascii (fp) : "./hrtfs/elev-35/L-35e030a.dat"
-[ 11, 67 ] = ascii (fp) : "./hrtfs/elev-35/L-35e025a.dat"
-[ 11, 68 ] = ascii (fp) : "./hrtfs/elev-35/L-35e020a.dat"
-[ 11, 69 ] = ascii (fp) : "./hrtfs/elev-35/L-35e015a.dat"
-[ 11, 70 ] = ascii (fp) : "./hrtfs/elev-35/L-35e010a.dat"
-[ 11, 71 ] = ascii (fp) : "./hrtfs/elev-35/L-35e005a.dat"
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e320a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e315a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e310a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e300a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e260a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e255a.dat right
+[ 11, 22 ] = ascii (fp) : "./hrtfs/elev-35/L-35e250a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e250a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e245a.dat right
+[ 11, 24 ] = ascii (fp) : "./hrtfs/elev-35/L-35e240a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e240a.dat right
+[ 11, 25 ] = ascii (fp) : "./hrtfs/elev-35/L-35e235a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e235a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e230a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e225a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e220a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e215a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e210a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e205a.dat right
+[ 11, 32 ] = ascii (fp) : "./hrtfs/elev-35/L-35e200a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e200a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e195a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e190a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e185a.dat right
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+[ 11, 37 ] = ascii (fp) : "./hrtfs/elev-35/L-35e175a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e175a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e170a.dat right
+[ 11, 39 ] = ascii (fp) : "./hrtfs/elev-35/L-35e165a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e165a.dat right
+[ 11, 40 ] = ascii (fp) : "./hrtfs/elev-35/L-35e160a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e160a.dat right
+[ 11, 41 ] = ascii (fp) : "./hrtfs/elev-35/L-35e155a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e155a.dat right
+[ 11, 42 ] = ascii (fp) : "./hrtfs/elev-35/L-35e150a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e150a.dat right
+[ 11, 43 ] = ascii (fp) : "./hrtfs/elev-35/L-35e145a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e145a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e140a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e135a.dat right
+[ 11, 46 ] = ascii (fp) : "./hrtfs/elev-35/L-35e130a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e130a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e125a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e120a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e115a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e110a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e105a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e100a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e095a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e090a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e080a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e075a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e070a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e065a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e060a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e055a.dat right
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+           + ascii (fp) : "./hrtfs/elev-35/R-35e050a.dat right
+[ 11, 63 ] = ascii (fp) : "./hrtfs/elev-35/L-35e045a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e045a.dat right
+[ 11, 64 ] = ascii (fp) : "./hrtfs/elev-35/L-35e040a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e040a.dat right
+[ 11, 65 ] = ascii (fp) : "./hrtfs/elev-35/L-35e035a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e035a.dat right
+[ 11, 66 ] = ascii (fp) : "./hrtfs/elev-35/L-35e030a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e030a.dat right
+[ 11, 67 ] = ascii (fp) : "./hrtfs/elev-35/L-35e025a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e025a.dat right
+[ 11, 68 ] = ascii (fp) : "./hrtfs/elev-35/L-35e020a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e020a.dat right
+[ 11, 69 ] = ascii (fp) : "./hrtfs/elev-35/L-35e015a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e015a.dat right
+[ 11, 70 ] = ascii (fp) : "./hrtfs/elev-35/L-35e010a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e010a.dat right
+[ 11, 71 ] = ascii (fp) : "./hrtfs/elev-35/L-35e005a.dat left
+           + ascii (fp) : "./hrtfs/elev-35/R-35e005a.dat right
 
-[ 12,  0 ] = ascii (fp) : "./hrtfs/elev-30/L-30e000a.dat"
-[ 12,  1 ] = ascii (fp) : "./hrtfs/elev-30/L-30e355a.dat"
-[ 12,  2 ] = ascii (fp) : "./hrtfs/elev-30/L-30e350a.dat"
-[ 12,  3 ] = ascii (fp) : "./hrtfs/elev-30/L-30e345a.dat"
-[ 12,  4 ] = ascii (fp) : "./hrtfs/elev-30/L-30e340a.dat"
-[ 12,  5 ] = ascii (fp) : "./hrtfs/elev-30/L-30e335a.dat"
-[ 12,  6 ] = ascii (fp) : "./hrtfs/elev-30/L-30e330a.dat"
-[ 12,  7 ] = ascii (fp) : "./hrtfs/elev-30/L-30e325a.dat"
-[ 12,  8 ] = ascii (fp) : "./hrtfs/elev-30/L-30e320a.dat"
-[ 12,  9 ] = ascii (fp) : "./hrtfs/elev-30/L-30e315a.dat"
-[ 12, 10 ] = ascii (fp) : "./hrtfs/elev-30/L-30e310a.dat"
-[ 12, 11 ] = ascii (fp) : "./hrtfs/elev-30/L-30e305a.dat"
-[ 12, 12 ] = ascii (fp) : "./hrtfs/elev-30/L-30e300a.dat"
-[ 12, 13 ] = ascii (fp) : "./hrtfs/elev-30/L-30e295a.dat"
-[ 12, 14 ] = ascii (fp) : "./hrtfs/elev-30/L-30e290a.dat"
-[ 12, 15 ] = ascii (fp) : "./hrtfs/elev-30/L-30e285a.dat"
-[ 12, 16 ] = ascii (fp) : "./hrtfs/elev-30/L-30e280a.dat"
-[ 12, 17 ] = ascii (fp) : "./hrtfs/elev-30/L-30e275a.dat"
-[ 12, 18 ] = ascii (fp) : "./hrtfs/elev-30/L-30e270a.dat"
-[ 12, 19 ] = ascii (fp) : "./hrtfs/elev-30/L-30e265a.dat"
-[ 12, 20 ] = ascii (fp) : "./hrtfs/elev-30/L-30e260a.dat"
-[ 12, 21 ] = ascii (fp) : "./hrtfs/elev-30/L-30e255a.dat"
-[ 12, 22 ] = ascii (fp) : "./hrtfs/elev-30/L-30e250a.dat"
-[ 12, 23 ] = ascii (fp) : "./hrtfs/elev-30/L-30e245a.dat"
-[ 12, 24 ] = ascii (fp) : "./hrtfs/elev-30/L-30e240a.dat"
-[ 12, 25 ] = ascii (fp) : "./hrtfs/elev-30/L-30e235a.dat"
-[ 12, 26 ] = ascii (fp) : "./hrtfs/elev-30/L-30e230a.dat"
-[ 12, 27 ] = ascii (fp) : "./hrtfs/elev-30/L-30e225a.dat"
-[ 12, 28 ] = ascii (fp) : "./hrtfs/elev-30/L-30e220a.dat"
-[ 12, 29 ] = ascii (fp) : "./hrtfs/elev-30/L-30e215a.dat"
-[ 12, 30 ] = ascii (fp) : "./hrtfs/elev-30/L-30e210a.dat"
-[ 12, 31 ] = ascii (fp) : "./hrtfs/elev-30/L-30e205a.dat"
-[ 12, 32 ] = ascii (fp) : "./hrtfs/elev-30/L-30e200a.dat"
-[ 12, 33 ] = ascii (fp) : "./hrtfs/elev-30/L-30e195a.dat"
-[ 12, 34 ] = ascii (fp) : "./hrtfs/elev-30/L-30e190a.dat"
-[ 12, 35 ] = ascii (fp) : "./hrtfs/elev-30/L-30e185a.dat"
-[ 12, 36 ] = ascii (fp) : "./hrtfs/elev-30/L-30e180a.dat"
-[ 12, 37 ] = ascii (fp) : "./hrtfs/elev-30/L-30e175a.dat"
-[ 12, 38 ] = ascii (fp) : "./hrtfs/elev-30/L-30e170a.dat"
-[ 12, 39 ] = ascii (fp) : "./hrtfs/elev-30/L-30e165a.dat"
-[ 12, 40 ] = ascii (fp) : "./hrtfs/elev-30/L-30e160a.dat"
-[ 12, 41 ] = ascii (fp) : "./hrtfs/elev-30/L-30e155a.dat"
-[ 12, 42 ] = ascii (fp) : "./hrtfs/elev-30/L-30e150a.dat"
-[ 12, 43 ] = ascii (fp) : "./hrtfs/elev-30/L-30e145a.dat"
-[ 12, 44 ] = ascii (fp) : "./hrtfs/elev-30/L-30e140a.dat"
-[ 12, 45 ] = ascii (fp) : "./hrtfs/elev-30/L-30e135a.dat"
-[ 12, 46 ] = ascii (fp) : "./hrtfs/elev-30/L-30e130a.dat"
-[ 12, 47 ] = ascii (fp) : "./hrtfs/elev-30/L-30e125a.dat"
-[ 12, 48 ] = ascii (fp) : "./hrtfs/elev-30/L-30e120a.dat"
-[ 12, 49 ] = ascii (fp) : "./hrtfs/elev-30/L-30e115a.dat"
-[ 12, 50 ] = ascii (fp) : "./hrtfs/elev-30/L-30e110a.dat"
-[ 12, 51 ] = ascii (fp) : "./hrtfs/elev-30/L-30e105a.dat"
-[ 12, 52 ] = ascii (fp) : "./hrtfs/elev-30/L-30e100a.dat"
-[ 12, 53 ] = ascii (fp) : "./hrtfs/elev-30/L-30e095a.dat"
-[ 12, 54 ] = ascii (fp) : "./hrtfs/elev-30/L-30e090a.dat"
-[ 12, 55 ] = ascii (fp) : "./hrtfs/elev-30/L-30e085a.dat"
-[ 12, 56 ] = ascii (fp) : "./hrtfs/elev-30/L-30e080a.dat"
-[ 12, 57 ] = ascii (fp) : "./hrtfs/elev-30/L-30e075a.dat"
-[ 12, 58 ] = ascii (fp) : "./hrtfs/elev-30/L-30e070a.dat"
-[ 12, 59 ] = ascii (fp) : "./hrtfs/elev-30/L-30e065a.dat"
-[ 12, 60 ] = ascii (fp) : "./hrtfs/elev-30/L-30e060a.dat"
-[ 12, 61 ] = ascii (fp) : "./hrtfs/elev-30/L-30e055a.dat"
-[ 12, 62 ] = ascii (fp) : "./hrtfs/elev-30/L-30e050a.dat"
-[ 12, 63 ] = ascii (fp) : "./hrtfs/elev-30/L-30e045a.dat"
-[ 12, 64 ] = ascii (fp) : "./hrtfs/elev-30/L-30e040a.dat"
-[ 12, 65 ] = ascii (fp) : "./hrtfs/elev-30/L-30e035a.dat"
-[ 12, 66 ] = ascii (fp) : "./hrtfs/elev-30/L-30e030a.dat"
-[ 12, 67 ] = ascii (fp) : "./hrtfs/elev-30/L-30e025a.dat"
-[ 12, 68 ] = ascii (fp) : "./hrtfs/elev-30/L-30e020a.dat"
-[ 12, 69 ] = ascii (fp) : "./hrtfs/elev-30/L-30e015a.dat"
-[ 12, 70 ] = ascii (fp) : "./hrtfs/elev-30/L-30e010a.dat"
-[ 12, 71 ] = ascii (fp) : "./hrtfs/elev-30/L-30e005a.dat"
+[ 12,  0 ] = ascii (fp) : "./hrtfs/elev-30/L-30e000a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e000a.dat right
+[ 12,  1 ] = ascii (fp) : "./hrtfs/elev-30/L-30e355a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e355a.dat right
+[ 12,  2 ] = ascii (fp) : "./hrtfs/elev-30/L-30e350a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e350a.dat right
+[ 12,  3 ] = ascii (fp) : "./hrtfs/elev-30/L-30e345a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e345a.dat right
+[ 12,  4 ] = ascii (fp) : "./hrtfs/elev-30/L-30e340a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e340a.dat right
+[ 12,  5 ] = ascii (fp) : "./hrtfs/elev-30/L-30e335a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e335a.dat right
+[ 12,  6 ] = ascii (fp) : "./hrtfs/elev-30/L-30e330a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e330a.dat right
+[ 12,  7 ] = ascii (fp) : "./hrtfs/elev-30/L-30e325a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e325a.dat right
+[ 12,  8 ] = ascii (fp) : "./hrtfs/elev-30/L-30e320a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e320a.dat right
+[ 12,  9 ] = ascii (fp) : "./hrtfs/elev-30/L-30e315a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e315a.dat right
+[ 12, 10 ] = ascii (fp) : "./hrtfs/elev-30/L-30e310a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e310a.dat right
+[ 12, 11 ] = ascii (fp) : "./hrtfs/elev-30/L-30e305a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e305a.dat right
+[ 12, 12 ] = ascii (fp) : "./hrtfs/elev-30/L-30e300a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e300a.dat right
+[ 12, 13 ] = ascii (fp) : "./hrtfs/elev-30/L-30e295a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e295a.dat right
+[ 12, 14 ] = ascii (fp) : "./hrtfs/elev-30/L-30e290a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e290a.dat right
+[ 12, 15 ] = ascii (fp) : "./hrtfs/elev-30/L-30e285a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e285a.dat right
+[ 12, 16 ] = ascii (fp) : "./hrtfs/elev-30/L-30e280a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e280a.dat right
+[ 12, 17 ] = ascii (fp) : "./hrtfs/elev-30/L-30e275a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e275a.dat right
+[ 12, 18 ] = ascii (fp) : "./hrtfs/elev-30/L-30e270a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e270a.dat right
+[ 12, 19 ] = ascii (fp) : "./hrtfs/elev-30/L-30e265a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e265a.dat right
+[ 12, 20 ] = ascii (fp) : "./hrtfs/elev-30/L-30e260a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e260a.dat right
+[ 12, 21 ] = ascii (fp) : "./hrtfs/elev-30/L-30e255a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e255a.dat right
+[ 12, 22 ] = ascii (fp) : "./hrtfs/elev-30/L-30e250a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e250a.dat right
+[ 12, 23 ] = ascii (fp) : "./hrtfs/elev-30/L-30e245a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e245a.dat right
+[ 12, 24 ] = ascii (fp) : "./hrtfs/elev-30/L-30e240a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e240a.dat right
+[ 12, 25 ] = ascii (fp) : "./hrtfs/elev-30/L-30e235a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e235a.dat right
+[ 12, 26 ] = ascii (fp) : "./hrtfs/elev-30/L-30e230a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e230a.dat right
+[ 12, 27 ] = ascii (fp) : "./hrtfs/elev-30/L-30e225a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e225a.dat right
+[ 12, 28 ] = ascii (fp) : "./hrtfs/elev-30/L-30e220a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e220a.dat right
+[ 12, 29 ] = ascii (fp) : "./hrtfs/elev-30/L-30e215a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e215a.dat right
+[ 12, 30 ] = ascii (fp) : "./hrtfs/elev-30/L-30e210a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e210a.dat right
+[ 12, 31 ] = ascii (fp) : "./hrtfs/elev-30/L-30e205a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e205a.dat right
+[ 12, 32 ] = ascii (fp) : "./hrtfs/elev-30/L-30e200a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e200a.dat right
+[ 12, 33 ] = ascii (fp) : "./hrtfs/elev-30/L-30e195a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e195a.dat right
+[ 12, 34 ] = ascii (fp) : "./hrtfs/elev-30/L-30e190a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e190a.dat right
+[ 12, 35 ] = ascii (fp) : "./hrtfs/elev-30/L-30e185a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e185a.dat right
+[ 12, 36 ] = ascii (fp) : "./hrtfs/elev-30/L-30e180a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e180a.dat right
+[ 12, 37 ] = ascii (fp) : "./hrtfs/elev-30/L-30e175a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e175a.dat right
+[ 12, 38 ] = ascii (fp) : "./hrtfs/elev-30/L-30e170a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e170a.dat right
+[ 12, 39 ] = ascii (fp) : "./hrtfs/elev-30/L-30e165a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e165a.dat right
+[ 12, 40 ] = ascii (fp) : "./hrtfs/elev-30/L-30e160a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e160a.dat right
+[ 12, 41 ] = ascii (fp) : "./hrtfs/elev-30/L-30e155a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e155a.dat right
+[ 12, 42 ] = ascii (fp) : "./hrtfs/elev-30/L-30e150a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e150a.dat right
+[ 12, 43 ] = ascii (fp) : "./hrtfs/elev-30/L-30e145a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e145a.dat right
+[ 12, 44 ] = ascii (fp) : "./hrtfs/elev-30/L-30e140a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e140a.dat right
+[ 12, 45 ] = ascii (fp) : "./hrtfs/elev-30/L-30e135a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e135a.dat right
+[ 12, 46 ] = ascii (fp) : "./hrtfs/elev-30/L-30e130a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e130a.dat right
+[ 12, 47 ] = ascii (fp) : "./hrtfs/elev-30/L-30e125a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e125a.dat right
+[ 12, 48 ] = ascii (fp) : "./hrtfs/elev-30/L-30e120a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e120a.dat right
+[ 12, 49 ] = ascii (fp) : "./hrtfs/elev-30/L-30e115a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e115a.dat right
+[ 12, 50 ] = ascii (fp) : "./hrtfs/elev-30/L-30e110a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e110a.dat right
+[ 12, 51 ] = ascii (fp) : "./hrtfs/elev-30/L-30e105a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e105a.dat right
+[ 12, 52 ] = ascii (fp) : "./hrtfs/elev-30/L-30e100a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e100a.dat right
+[ 12, 53 ] = ascii (fp) : "./hrtfs/elev-30/L-30e095a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e095a.dat right
+[ 12, 54 ] = ascii (fp) : "./hrtfs/elev-30/L-30e090a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e090a.dat right
+[ 12, 55 ] = ascii (fp) : "./hrtfs/elev-30/L-30e085a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e085a.dat right
+[ 12, 56 ] = ascii (fp) : "./hrtfs/elev-30/L-30e080a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e080a.dat right
+[ 12, 57 ] = ascii (fp) : "./hrtfs/elev-30/L-30e075a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e075a.dat right
+[ 12, 58 ] = ascii (fp) : "./hrtfs/elev-30/L-30e070a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e070a.dat right
+[ 12, 59 ] = ascii (fp) : "./hrtfs/elev-30/L-30e065a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e065a.dat right
+[ 12, 60 ] = ascii (fp) : "./hrtfs/elev-30/L-30e060a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e060a.dat right
+[ 12, 61 ] = ascii (fp) : "./hrtfs/elev-30/L-30e055a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e055a.dat right
+[ 12, 62 ] = ascii (fp) : "./hrtfs/elev-30/L-30e050a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e050a.dat right
+[ 12, 63 ] = ascii (fp) : "./hrtfs/elev-30/L-30e045a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e045a.dat right
+[ 12, 64 ] = ascii (fp) : "./hrtfs/elev-30/L-30e040a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e040a.dat right
+[ 12, 65 ] = ascii (fp) : "./hrtfs/elev-30/L-30e035a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e035a.dat right
+[ 12, 66 ] = ascii (fp) : "./hrtfs/elev-30/L-30e030a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e030a.dat right
+[ 12, 67 ] = ascii (fp) : "./hrtfs/elev-30/L-30e025a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e025a.dat right
+[ 12, 68 ] = ascii (fp) : "./hrtfs/elev-30/L-30e020a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e020a.dat right
+[ 12, 69 ] = ascii (fp) : "./hrtfs/elev-30/L-30e015a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e015a.dat right
+[ 12, 70 ] = ascii (fp) : "./hrtfs/elev-30/L-30e010a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e010a.dat right
+[ 12, 71 ] = ascii (fp) : "./hrtfs/elev-30/L-30e005a.dat left
+           + ascii (fp) : "./hrtfs/elev-30/R-30e005a.dat right
 
-[ 13,  0 ] = ascii (fp) : "./hrtfs/elev-25/L-25e000a.dat"
-[ 13,  1 ] = ascii (fp) : "./hrtfs/elev-25/L-25e355a.dat"
-[ 13,  2 ] = ascii (fp) : "./hrtfs/elev-25/L-25e350a.dat"
-[ 13,  3 ] = ascii (fp) : "./hrtfs/elev-25/L-25e345a.dat"
-[ 13,  4 ] = ascii (fp) : "./hrtfs/elev-25/L-25e340a.dat"
-[ 13,  5 ] = ascii (fp) : "./hrtfs/elev-25/L-25e335a.dat"
-[ 13,  6 ] = ascii (fp) : "./hrtfs/elev-25/L-25e330a.dat"
-[ 13,  7 ] = ascii (fp) : "./hrtfs/elev-25/L-25e325a.dat"
-[ 13,  8 ] = ascii (fp) : "./hrtfs/elev-25/L-25e320a.dat"
-[ 13,  9 ] = ascii (fp) : "./hrtfs/elev-25/L-25e315a.dat"
-[ 13, 10 ] = ascii (fp) : "./hrtfs/elev-25/L-25e310a.dat"
-[ 13, 11 ] = ascii (fp) : "./hrtfs/elev-25/L-25e305a.dat"
-[ 13, 12 ] = ascii (fp) : "./hrtfs/elev-25/L-25e300a.dat"
-[ 13, 13 ] = ascii (fp) : "./hrtfs/elev-25/L-25e295a.dat"
-[ 13, 14 ] = ascii (fp) : "./hrtfs/elev-25/L-25e290a.dat"
-[ 13, 15 ] = ascii (fp) : "./hrtfs/elev-25/L-25e285a.dat"
-[ 13, 16 ] = ascii (fp) : "./hrtfs/elev-25/L-25e280a.dat"
-[ 13, 17 ] = ascii (fp) : "./hrtfs/elev-25/L-25e275a.dat"
-[ 13, 18 ] = ascii (fp) : "./hrtfs/elev-25/L-25e270a.dat"
-[ 13, 19 ] = ascii (fp) : "./hrtfs/elev-25/L-25e265a.dat"
-[ 13, 20 ] = ascii (fp) : "./hrtfs/elev-25/L-25e260a.dat"
-[ 13, 21 ] = ascii (fp) : "./hrtfs/elev-25/L-25e255a.dat"
-[ 13, 22 ] = ascii (fp) : "./hrtfs/elev-25/L-25e250a.dat"
-[ 13, 23 ] = ascii (fp) : "./hrtfs/elev-25/L-25e245a.dat"
-[ 13, 24 ] = ascii (fp) : "./hrtfs/elev-25/L-25e240a.dat"
-[ 13, 25 ] = ascii (fp) : "./hrtfs/elev-25/L-25e235a.dat"
-[ 13, 26 ] = ascii (fp) : "./hrtfs/elev-25/L-25e230a.dat"
-[ 13, 27 ] = ascii (fp) : "./hrtfs/elev-25/L-25e225a.dat"
-[ 13, 28 ] = ascii (fp) : "./hrtfs/elev-25/L-25e220a.dat"
-[ 13, 29 ] = ascii (fp) : "./hrtfs/elev-25/L-25e215a.dat"
-[ 13, 30 ] = ascii (fp) : "./hrtfs/elev-25/L-25e210a.dat"
-[ 13, 31 ] = ascii (fp) : "./hrtfs/elev-25/L-25e205a.dat"
-[ 13, 32 ] = ascii (fp) : "./hrtfs/elev-25/L-25e200a.dat"
-[ 13, 33 ] = ascii (fp) : "./hrtfs/elev-25/L-25e195a.dat"
-[ 13, 34 ] = ascii (fp) : "./hrtfs/elev-25/L-25e190a.dat"
-[ 13, 35 ] = ascii (fp) : "./hrtfs/elev-25/L-25e185a.dat"
-[ 13, 36 ] = ascii (fp) : "./hrtfs/elev-25/L-25e180a.dat"
-[ 13, 37 ] = ascii (fp) : "./hrtfs/elev-25/L-25e175a.dat"
-[ 13, 38 ] = ascii (fp) : "./hrtfs/elev-25/L-25e170a.dat"
-[ 13, 39 ] = ascii (fp) : "./hrtfs/elev-25/L-25e165a.dat"
-[ 13, 40 ] = ascii (fp) : "./hrtfs/elev-25/L-25e160a.dat"
-[ 13, 41 ] = ascii (fp) : "./hrtfs/elev-25/L-25e155a.dat"
-[ 13, 42 ] = ascii (fp) : "./hrtfs/elev-25/L-25e150a.dat"
-[ 13, 43 ] = ascii (fp) : "./hrtfs/elev-25/L-25e145a.dat"
-[ 13, 44 ] = ascii (fp) : "./hrtfs/elev-25/L-25e140a.dat"
-[ 13, 45 ] = ascii (fp) : "./hrtfs/elev-25/L-25e135a.dat"
-[ 13, 46 ] = ascii (fp) : "./hrtfs/elev-25/L-25e130a.dat"
-[ 13, 47 ] = ascii (fp) : "./hrtfs/elev-25/L-25e125a.dat"
-[ 13, 48 ] = ascii (fp) : "./hrtfs/elev-25/L-25e120a.dat"
-[ 13, 49 ] = ascii (fp) : "./hrtfs/elev-25/L-25e115a.dat"
-[ 13, 50 ] = ascii (fp) : "./hrtfs/elev-25/L-25e110a.dat"
-[ 13, 51 ] = ascii (fp) : "./hrtfs/elev-25/L-25e105a.dat"
-[ 13, 52 ] = ascii (fp) : "./hrtfs/elev-25/L-25e100a.dat"
-[ 13, 53 ] = ascii (fp) : "./hrtfs/elev-25/L-25e095a.dat"
-[ 13, 54 ] = ascii (fp) : "./hrtfs/elev-25/L-25e090a.dat"
-[ 13, 55 ] = ascii (fp) : "./hrtfs/elev-25/L-25e085a.dat"
-[ 13, 56 ] = ascii (fp) : "./hrtfs/elev-25/L-25e080a.dat"
-[ 13, 57 ] = ascii (fp) : "./hrtfs/elev-25/L-25e075a.dat"
-[ 13, 58 ] = ascii (fp) : "./hrtfs/elev-25/L-25e070a.dat"
-[ 13, 59 ] = ascii (fp) : "./hrtfs/elev-25/L-25e065a.dat"
-[ 13, 60 ] = ascii (fp) : "./hrtfs/elev-25/L-25e060a.dat"
-[ 13, 61 ] = ascii (fp) : "./hrtfs/elev-25/L-25e055a.dat"
-[ 13, 62 ] = ascii (fp) : "./hrtfs/elev-25/L-25e050a.dat"
-[ 13, 63 ] = ascii (fp) : "./hrtfs/elev-25/L-25e045a.dat"
-[ 13, 64 ] = ascii (fp) : "./hrtfs/elev-25/L-25e040a.dat"
-[ 13, 65 ] = ascii (fp) : "./hrtfs/elev-25/L-25e035a.dat"
-[ 13, 66 ] = ascii (fp) : "./hrtfs/elev-25/L-25e030a.dat"
-[ 13, 67 ] = ascii (fp) : "./hrtfs/elev-25/L-25e025a.dat"
-[ 13, 68 ] = ascii (fp) : "./hrtfs/elev-25/L-25e020a.dat"
-[ 13, 69 ] = ascii (fp) : "./hrtfs/elev-25/L-25e015a.dat"
-[ 13, 70 ] = ascii (fp) : "./hrtfs/elev-25/L-25e010a.dat"
-[ 13, 71 ] = ascii (fp) : "./hrtfs/elev-25/L-25e005a.dat"
+[ 13,  0 ] = ascii (fp) : "./hrtfs/elev-25/L-25e000a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e000a.dat right
+[ 13,  1 ] = ascii (fp) : "./hrtfs/elev-25/L-25e355a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e355a.dat right
+[ 13,  2 ] = ascii (fp) : "./hrtfs/elev-25/L-25e350a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e350a.dat right
+[ 13,  3 ] = ascii (fp) : "./hrtfs/elev-25/L-25e345a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e345a.dat right
+[ 13,  4 ] = ascii (fp) : "./hrtfs/elev-25/L-25e340a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e340a.dat right
+[ 13,  5 ] = ascii (fp) : "./hrtfs/elev-25/L-25e335a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e335a.dat right
+[ 13,  6 ] = ascii (fp) : "./hrtfs/elev-25/L-25e330a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e330a.dat right
+[ 13,  7 ] = ascii (fp) : "./hrtfs/elev-25/L-25e325a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e325a.dat right
+[ 13,  8 ] = ascii (fp) : "./hrtfs/elev-25/L-25e320a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e320a.dat right
+[ 13,  9 ] = ascii (fp) : "./hrtfs/elev-25/L-25e315a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e315a.dat right
+[ 13, 10 ] = ascii (fp) : "./hrtfs/elev-25/L-25e310a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e310a.dat right
+[ 13, 11 ] = ascii (fp) : "./hrtfs/elev-25/L-25e305a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e305a.dat right
+[ 13, 12 ] = ascii (fp) : "./hrtfs/elev-25/L-25e300a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e300a.dat right
+[ 13, 13 ] = ascii (fp) : "./hrtfs/elev-25/L-25e295a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e295a.dat right
+[ 13, 14 ] = ascii (fp) : "./hrtfs/elev-25/L-25e290a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e290a.dat right
+[ 13, 15 ] = ascii (fp) : "./hrtfs/elev-25/L-25e285a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e285a.dat right
+[ 13, 16 ] = ascii (fp) : "./hrtfs/elev-25/L-25e280a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e280a.dat right
+[ 13, 17 ] = ascii (fp) : "./hrtfs/elev-25/L-25e275a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e275a.dat right
+[ 13, 18 ] = ascii (fp) : "./hrtfs/elev-25/L-25e270a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e270a.dat right
+[ 13, 19 ] = ascii (fp) : "./hrtfs/elev-25/L-25e265a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e265a.dat right
+[ 13, 20 ] = ascii (fp) : "./hrtfs/elev-25/L-25e260a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e260a.dat right
+[ 13, 21 ] = ascii (fp) : "./hrtfs/elev-25/L-25e255a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e255a.dat right
+[ 13, 22 ] = ascii (fp) : "./hrtfs/elev-25/L-25e250a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e250a.dat right
+[ 13, 23 ] = ascii (fp) : "./hrtfs/elev-25/L-25e245a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e245a.dat right
+[ 13, 24 ] = ascii (fp) : "./hrtfs/elev-25/L-25e240a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e240a.dat right
+[ 13, 25 ] = ascii (fp) : "./hrtfs/elev-25/L-25e235a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e235a.dat right
+[ 13, 26 ] = ascii (fp) : "./hrtfs/elev-25/L-25e230a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e230a.dat right
+[ 13, 27 ] = ascii (fp) : "./hrtfs/elev-25/L-25e225a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e225a.dat right
+[ 13, 28 ] = ascii (fp) : "./hrtfs/elev-25/L-25e220a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e220a.dat right
+[ 13, 29 ] = ascii (fp) : "./hrtfs/elev-25/L-25e215a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e215a.dat right
+[ 13, 30 ] = ascii (fp) : "./hrtfs/elev-25/L-25e210a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e210a.dat right
+[ 13, 31 ] = ascii (fp) : "./hrtfs/elev-25/L-25e205a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e205a.dat right
+[ 13, 32 ] = ascii (fp) : "./hrtfs/elev-25/L-25e200a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e200a.dat right
+[ 13, 33 ] = ascii (fp) : "./hrtfs/elev-25/L-25e195a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e195a.dat right
+[ 13, 34 ] = ascii (fp) : "./hrtfs/elev-25/L-25e190a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e190a.dat right
+[ 13, 35 ] = ascii (fp) : "./hrtfs/elev-25/L-25e185a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e185a.dat right
+[ 13, 36 ] = ascii (fp) : "./hrtfs/elev-25/L-25e180a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e180a.dat right
+[ 13, 37 ] = ascii (fp) : "./hrtfs/elev-25/L-25e175a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e175a.dat right
+[ 13, 38 ] = ascii (fp) : "./hrtfs/elev-25/L-25e170a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e170a.dat right
+[ 13, 39 ] = ascii (fp) : "./hrtfs/elev-25/L-25e165a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e165a.dat right
+[ 13, 40 ] = ascii (fp) : "./hrtfs/elev-25/L-25e160a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e160a.dat right
+[ 13, 41 ] = ascii (fp) : "./hrtfs/elev-25/L-25e155a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e155a.dat right
+[ 13, 42 ] = ascii (fp) : "./hrtfs/elev-25/L-25e150a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e150a.dat right
+[ 13, 43 ] = ascii (fp) : "./hrtfs/elev-25/L-25e145a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e145a.dat right
+[ 13, 44 ] = ascii (fp) : "./hrtfs/elev-25/L-25e140a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e140a.dat right
+[ 13, 45 ] = ascii (fp) : "./hrtfs/elev-25/L-25e135a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e135a.dat right
+[ 13, 46 ] = ascii (fp) : "./hrtfs/elev-25/L-25e130a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e130a.dat right
+[ 13, 47 ] = ascii (fp) : "./hrtfs/elev-25/L-25e125a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e125a.dat right
+[ 13, 48 ] = ascii (fp) : "./hrtfs/elev-25/L-25e120a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e120a.dat right
+[ 13, 49 ] = ascii (fp) : "./hrtfs/elev-25/L-25e115a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e115a.dat right
+[ 13, 50 ] = ascii (fp) : "./hrtfs/elev-25/L-25e110a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e110a.dat right
+[ 13, 51 ] = ascii (fp) : "./hrtfs/elev-25/L-25e105a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e105a.dat right
+[ 13, 52 ] = ascii (fp) : "./hrtfs/elev-25/L-25e100a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e100a.dat right
+[ 13, 53 ] = ascii (fp) : "./hrtfs/elev-25/L-25e095a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e095a.dat right
+[ 13, 54 ] = ascii (fp) : "./hrtfs/elev-25/L-25e090a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e090a.dat right
+[ 13, 55 ] = ascii (fp) : "./hrtfs/elev-25/L-25e085a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e085a.dat right
+[ 13, 56 ] = ascii (fp) : "./hrtfs/elev-25/L-25e080a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e080a.dat right
+[ 13, 57 ] = ascii (fp) : "./hrtfs/elev-25/L-25e075a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e075a.dat right
+[ 13, 58 ] = ascii (fp) : "./hrtfs/elev-25/L-25e070a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e070a.dat right
+[ 13, 59 ] = ascii (fp) : "./hrtfs/elev-25/L-25e065a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e065a.dat right
+[ 13, 60 ] = ascii (fp) : "./hrtfs/elev-25/L-25e060a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e060a.dat right
+[ 13, 61 ] = ascii (fp) : "./hrtfs/elev-25/L-25e055a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e055a.dat right
+[ 13, 62 ] = ascii (fp) : "./hrtfs/elev-25/L-25e050a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e050a.dat right
+[ 13, 63 ] = ascii (fp) : "./hrtfs/elev-25/L-25e045a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e045a.dat right
+[ 13, 64 ] = ascii (fp) : "./hrtfs/elev-25/L-25e040a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e040a.dat right
+[ 13, 65 ] = ascii (fp) : "./hrtfs/elev-25/L-25e035a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e035a.dat right
+[ 13, 66 ] = ascii (fp) : "./hrtfs/elev-25/L-25e030a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e030a.dat right
+[ 13, 67 ] = ascii (fp) : "./hrtfs/elev-25/L-25e025a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e025a.dat right
+[ 13, 68 ] = ascii (fp) : "./hrtfs/elev-25/L-25e020a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e020a.dat right
+[ 13, 69 ] = ascii (fp) : "./hrtfs/elev-25/L-25e015a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e015a.dat right
+[ 13, 70 ] = ascii (fp) : "./hrtfs/elev-25/L-25e010a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e010a.dat right
+[ 13, 71 ] = ascii (fp) : "./hrtfs/elev-25/L-25e005a.dat left
+           + ascii (fp) : "./hrtfs/elev-25/R-25e005a.dat right
 
-[ 14,  0 ] = ascii (fp) : "./hrtfs/elev-20/L-20e000a.dat"
-[ 14,  1 ] = ascii (fp) : "./hrtfs/elev-20/L-20e355a.dat"
-[ 14,  2 ] = ascii (fp) : "./hrtfs/elev-20/L-20e350a.dat"
-[ 14,  3 ] = ascii (fp) : "./hrtfs/elev-20/L-20e345a.dat"
-[ 14,  4 ] = ascii (fp) : "./hrtfs/elev-20/L-20e340a.dat"
-[ 14,  5 ] = ascii (fp) : "./hrtfs/elev-20/L-20e335a.dat"
-[ 14,  6 ] = ascii (fp) : "./hrtfs/elev-20/L-20e330a.dat"
-[ 14,  7 ] = ascii (fp) : "./hrtfs/elev-20/L-20e325a.dat"
-[ 14,  8 ] = ascii (fp) : "./hrtfs/elev-20/L-20e320a.dat"
-[ 14,  9 ] = ascii (fp) : "./hrtfs/elev-20/L-20e315a.dat"
-[ 14, 10 ] = ascii (fp) : "./hrtfs/elev-20/L-20e310a.dat"
-[ 14, 11 ] = ascii (fp) : "./hrtfs/elev-20/L-20e305a.dat"
-[ 14, 12 ] = ascii (fp) : "./hrtfs/elev-20/L-20e300a.dat"
-[ 14, 13 ] = ascii (fp) : "./hrtfs/elev-20/L-20e295a.dat"
-[ 14, 14 ] = ascii (fp) : "./hrtfs/elev-20/L-20e290a.dat"
-[ 14, 15 ] = ascii (fp) : "./hrtfs/elev-20/L-20e285a.dat"
-[ 14, 16 ] = ascii (fp) : "./hrtfs/elev-20/L-20e280a.dat"
-[ 14, 17 ] = ascii (fp) : "./hrtfs/elev-20/L-20e275a.dat"
-[ 14, 18 ] = ascii (fp) : "./hrtfs/elev-20/L-20e270a.dat"
-[ 14, 19 ] = ascii (fp) : "./hrtfs/elev-20/L-20e265a.dat"
-[ 14, 20 ] = ascii (fp) : "./hrtfs/elev-20/L-20e260a.dat"
-[ 14, 21 ] = ascii (fp) : "./hrtfs/elev-20/L-20e255a.dat"
-[ 14, 22 ] = ascii (fp) : "./hrtfs/elev-20/L-20e250a.dat"
-[ 14, 23 ] = ascii (fp) : "./hrtfs/elev-20/L-20e245a.dat"
-[ 14, 24 ] = ascii (fp) : "./hrtfs/elev-20/L-20e240a.dat"
-[ 14, 25 ] = ascii (fp) : "./hrtfs/elev-20/L-20e235a.dat"
-[ 14, 26 ] = ascii (fp) : "./hrtfs/elev-20/L-20e230a.dat"
-[ 14, 27 ] = ascii (fp) : "./hrtfs/elev-20/L-20e225a.dat"
-[ 14, 28 ] = ascii (fp) : "./hrtfs/elev-20/L-20e220a.dat"
-[ 14, 29 ] = ascii (fp) : "./hrtfs/elev-20/L-20e215a.dat"
-[ 14, 30 ] = ascii (fp) : "./hrtfs/elev-20/L-20e210a.dat"
-[ 14, 31 ] = ascii (fp) : "./hrtfs/elev-20/L-20e205a.dat"
-[ 14, 32 ] = ascii (fp) : "./hrtfs/elev-20/L-20e200a.dat"
-[ 14, 33 ] = ascii (fp) : "./hrtfs/elev-20/L-20e195a.dat"
-[ 14, 34 ] = ascii (fp) : "./hrtfs/elev-20/L-20e190a.dat"
-[ 14, 35 ] = ascii (fp) : "./hrtfs/elev-20/L-20e185a.dat"
-[ 14, 36 ] = ascii (fp) : "./hrtfs/elev-20/L-20e180a.dat"
-[ 14, 37 ] = ascii (fp) : "./hrtfs/elev-20/L-20e175a.dat"
-[ 14, 38 ] = ascii (fp) : "./hrtfs/elev-20/L-20e170a.dat"
-[ 14, 39 ] = ascii (fp) : "./hrtfs/elev-20/L-20e165a.dat"
-[ 14, 40 ] = ascii (fp) : "./hrtfs/elev-20/L-20e160a.dat"
-[ 14, 41 ] = ascii (fp) : "./hrtfs/elev-20/L-20e155a.dat"
-[ 14, 42 ] = ascii (fp) : "./hrtfs/elev-20/L-20e150a.dat"
-[ 14, 43 ] = ascii (fp) : "./hrtfs/elev-20/L-20e145a.dat"
-[ 14, 44 ] = ascii (fp) : "./hrtfs/elev-20/L-20e140a.dat"
-[ 14, 45 ] = ascii (fp) : "./hrtfs/elev-20/L-20e135a.dat"
-[ 14, 46 ] = ascii (fp) : "./hrtfs/elev-20/L-20e130a.dat"
-[ 14, 47 ] = ascii (fp) : "./hrtfs/elev-20/L-20e125a.dat"
-[ 14, 48 ] = ascii (fp) : "./hrtfs/elev-20/L-20e120a.dat"
-[ 14, 49 ] = ascii (fp) : "./hrtfs/elev-20/L-20e115a.dat"
-[ 14, 50 ] = ascii (fp) : "./hrtfs/elev-20/L-20e110a.dat"
-[ 14, 51 ] = ascii (fp) : "./hrtfs/elev-20/L-20e105a.dat"
-[ 14, 52 ] = ascii (fp) : "./hrtfs/elev-20/L-20e100a.dat"
-[ 14, 53 ] = ascii (fp) : "./hrtfs/elev-20/L-20e095a.dat"
-[ 14, 54 ] = ascii (fp) : "./hrtfs/elev-20/L-20e090a.dat"
-[ 14, 55 ] = ascii (fp) : "./hrtfs/elev-20/L-20e085a.dat"
-[ 14, 56 ] = ascii (fp) : "./hrtfs/elev-20/L-20e080a.dat"
-[ 14, 57 ] = ascii (fp) : "./hrtfs/elev-20/L-20e075a.dat"
-[ 14, 58 ] = ascii (fp) : "./hrtfs/elev-20/L-20e070a.dat"
-[ 14, 59 ] = ascii (fp) : "./hrtfs/elev-20/L-20e065a.dat"
-[ 14, 60 ] = ascii (fp) : "./hrtfs/elev-20/L-20e060a.dat"
-[ 14, 61 ] = ascii (fp) : "./hrtfs/elev-20/L-20e055a.dat"
-[ 14, 62 ] = ascii (fp) : "./hrtfs/elev-20/L-20e050a.dat"
-[ 14, 63 ] = ascii (fp) : "./hrtfs/elev-20/L-20e045a.dat"
-[ 14, 64 ] = ascii (fp) : "./hrtfs/elev-20/L-20e040a.dat"
-[ 14, 65 ] = ascii (fp) : "./hrtfs/elev-20/L-20e035a.dat"
-[ 14, 66 ] = ascii (fp) : "./hrtfs/elev-20/L-20e030a.dat"
-[ 14, 67 ] = ascii (fp) : "./hrtfs/elev-20/L-20e025a.dat"
-[ 14, 68 ] = ascii (fp) : "./hrtfs/elev-20/L-20e020a.dat"
-[ 14, 69 ] = ascii (fp) : "./hrtfs/elev-20/L-20e015a.dat"
-[ 14, 70 ] = ascii (fp) : "./hrtfs/elev-20/L-20e010a.dat"
-[ 14, 71 ] = ascii (fp) : "./hrtfs/elev-20/L-20e005a.dat"
+[ 14,  0 ] = ascii (fp) : "./hrtfs/elev-20/L-20e000a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e000a.dat right
+[ 14,  1 ] = ascii (fp) : "./hrtfs/elev-20/L-20e355a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e355a.dat right
+[ 14,  2 ] = ascii (fp) : "./hrtfs/elev-20/L-20e350a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e350a.dat right
+[ 14,  3 ] = ascii (fp) : "./hrtfs/elev-20/L-20e345a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e345a.dat right
+[ 14,  4 ] = ascii (fp) : "./hrtfs/elev-20/L-20e340a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e340a.dat right
+[ 14,  5 ] = ascii (fp) : "./hrtfs/elev-20/L-20e335a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e335a.dat right
+[ 14,  6 ] = ascii (fp) : "./hrtfs/elev-20/L-20e330a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e330a.dat right
+[ 14,  7 ] = ascii (fp) : "./hrtfs/elev-20/L-20e325a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e325a.dat right
+[ 14,  8 ] = ascii (fp) : "./hrtfs/elev-20/L-20e320a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e320a.dat right
+[ 14,  9 ] = ascii (fp) : "./hrtfs/elev-20/L-20e315a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e315a.dat right
+[ 14, 10 ] = ascii (fp) : "./hrtfs/elev-20/L-20e310a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e310a.dat right
+[ 14, 11 ] = ascii (fp) : "./hrtfs/elev-20/L-20e305a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e305a.dat right
+[ 14, 12 ] = ascii (fp) : "./hrtfs/elev-20/L-20e300a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e300a.dat right
+[ 14, 13 ] = ascii (fp) : "./hrtfs/elev-20/L-20e295a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e295a.dat right
+[ 14, 14 ] = ascii (fp) : "./hrtfs/elev-20/L-20e290a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e290a.dat right
+[ 14, 15 ] = ascii (fp) : "./hrtfs/elev-20/L-20e285a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e285a.dat right
+[ 14, 16 ] = ascii (fp) : "./hrtfs/elev-20/L-20e280a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e280a.dat right
+[ 14, 17 ] = ascii (fp) : "./hrtfs/elev-20/L-20e275a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e275a.dat right
+[ 14, 18 ] = ascii (fp) : "./hrtfs/elev-20/L-20e270a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e270a.dat right
+[ 14, 19 ] = ascii (fp) : "./hrtfs/elev-20/L-20e265a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e265a.dat right
+[ 14, 20 ] = ascii (fp) : "./hrtfs/elev-20/L-20e260a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e260a.dat right
+[ 14, 21 ] = ascii (fp) : "./hrtfs/elev-20/L-20e255a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e255a.dat right
+[ 14, 22 ] = ascii (fp) : "./hrtfs/elev-20/L-20e250a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e250a.dat right
+[ 14, 23 ] = ascii (fp) : "./hrtfs/elev-20/L-20e245a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e245a.dat right
+[ 14, 24 ] = ascii (fp) : "./hrtfs/elev-20/L-20e240a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e240a.dat right
+[ 14, 25 ] = ascii (fp) : "./hrtfs/elev-20/L-20e235a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e235a.dat right
+[ 14, 26 ] = ascii (fp) : "./hrtfs/elev-20/L-20e230a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e230a.dat right
+[ 14, 27 ] = ascii (fp) : "./hrtfs/elev-20/L-20e225a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e225a.dat right
+[ 14, 28 ] = ascii (fp) : "./hrtfs/elev-20/L-20e220a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e220a.dat right
+[ 14, 29 ] = ascii (fp) : "./hrtfs/elev-20/L-20e215a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e215a.dat right
+[ 14, 30 ] = ascii (fp) : "./hrtfs/elev-20/L-20e210a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e210a.dat right
+[ 14, 31 ] = ascii (fp) : "./hrtfs/elev-20/L-20e205a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e205a.dat right
+[ 14, 32 ] = ascii (fp) : "./hrtfs/elev-20/L-20e200a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e200a.dat right
+[ 14, 33 ] = ascii (fp) : "./hrtfs/elev-20/L-20e195a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e195a.dat right
+[ 14, 34 ] = ascii (fp) : "./hrtfs/elev-20/L-20e190a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e190a.dat right
+[ 14, 35 ] = ascii (fp) : "./hrtfs/elev-20/L-20e185a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e185a.dat right
+[ 14, 36 ] = ascii (fp) : "./hrtfs/elev-20/L-20e180a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e180a.dat right
+[ 14, 37 ] = ascii (fp) : "./hrtfs/elev-20/L-20e175a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e175a.dat right
+[ 14, 38 ] = ascii (fp) : "./hrtfs/elev-20/L-20e170a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e170a.dat right
+[ 14, 39 ] = ascii (fp) : "./hrtfs/elev-20/L-20e165a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e165a.dat right
+[ 14, 40 ] = ascii (fp) : "./hrtfs/elev-20/L-20e160a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e160a.dat right
+[ 14, 41 ] = ascii (fp) : "./hrtfs/elev-20/L-20e155a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e155a.dat right
+[ 14, 42 ] = ascii (fp) : "./hrtfs/elev-20/L-20e150a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e150a.dat right
+[ 14, 43 ] = ascii (fp) : "./hrtfs/elev-20/L-20e145a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e145a.dat right
+[ 14, 44 ] = ascii (fp) : "./hrtfs/elev-20/L-20e140a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e140a.dat right
+[ 14, 45 ] = ascii (fp) : "./hrtfs/elev-20/L-20e135a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e135a.dat right
+[ 14, 46 ] = ascii (fp) : "./hrtfs/elev-20/L-20e130a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e130a.dat right
+[ 14, 47 ] = ascii (fp) : "./hrtfs/elev-20/L-20e125a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e125a.dat right
+[ 14, 48 ] = ascii (fp) : "./hrtfs/elev-20/L-20e120a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e120a.dat right
+[ 14, 49 ] = ascii (fp) : "./hrtfs/elev-20/L-20e115a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e115a.dat right
+[ 14, 50 ] = ascii (fp) : "./hrtfs/elev-20/L-20e110a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e110a.dat right
+[ 14, 51 ] = ascii (fp) : "./hrtfs/elev-20/L-20e105a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e105a.dat right
+[ 14, 52 ] = ascii (fp) : "./hrtfs/elev-20/L-20e100a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e100a.dat right
+[ 14, 53 ] = ascii (fp) : "./hrtfs/elev-20/L-20e095a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e095a.dat right
+[ 14, 54 ] = ascii (fp) : "./hrtfs/elev-20/L-20e090a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e090a.dat right
+[ 14, 55 ] = ascii (fp) : "./hrtfs/elev-20/L-20e085a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e085a.dat right
+[ 14, 56 ] = ascii (fp) : "./hrtfs/elev-20/L-20e080a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e080a.dat right
+[ 14, 57 ] = ascii (fp) : "./hrtfs/elev-20/L-20e075a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e075a.dat right
+[ 14, 58 ] = ascii (fp) : "./hrtfs/elev-20/L-20e070a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e070a.dat right
+[ 14, 59 ] = ascii (fp) : "./hrtfs/elev-20/L-20e065a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e065a.dat right
+[ 14, 60 ] = ascii (fp) : "./hrtfs/elev-20/L-20e060a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e060a.dat right
+[ 14, 61 ] = ascii (fp) : "./hrtfs/elev-20/L-20e055a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e055a.dat right
+[ 14, 62 ] = ascii (fp) : "./hrtfs/elev-20/L-20e050a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e050a.dat right
+[ 14, 63 ] = ascii (fp) : "./hrtfs/elev-20/L-20e045a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e045a.dat right
+[ 14, 64 ] = ascii (fp) : "./hrtfs/elev-20/L-20e040a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e040a.dat right
+[ 14, 65 ] = ascii (fp) : "./hrtfs/elev-20/L-20e035a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e035a.dat right
+[ 14, 66 ] = ascii (fp) : "./hrtfs/elev-20/L-20e030a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e030a.dat right
+[ 14, 67 ] = ascii (fp) : "./hrtfs/elev-20/L-20e025a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e025a.dat right
+[ 14, 68 ] = ascii (fp) : "./hrtfs/elev-20/L-20e020a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e020a.dat right
+[ 14, 69 ] = ascii (fp) : "./hrtfs/elev-20/L-20e015a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e015a.dat right
+[ 14, 70 ] = ascii (fp) : "./hrtfs/elev-20/L-20e010a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e010a.dat right
+[ 14, 71 ] = ascii (fp) : "./hrtfs/elev-20/L-20e005a.dat left
+           + ascii (fp) : "./hrtfs/elev-20/R-20e005a.dat right
 
-[ 15,  0 ] = ascii (fp) : "./hrtfs/elev-15/L-15e000a.dat"
-[ 15,  1 ] = ascii (fp) : "./hrtfs/elev-15/L-15e355a.dat"
-[ 15,  2 ] = ascii (fp) : "./hrtfs/elev-15/L-15e350a.dat"
-[ 15,  3 ] = ascii (fp) : "./hrtfs/elev-15/L-15e345a.dat"
-[ 15,  4 ] = ascii (fp) : "./hrtfs/elev-15/L-15e340a.dat"
-[ 15,  5 ] = ascii (fp) : "./hrtfs/elev-15/L-15e335a.dat"
-[ 15,  6 ] = ascii (fp) : "./hrtfs/elev-15/L-15e330a.dat"
-[ 15,  7 ] = ascii (fp) : "./hrtfs/elev-15/L-15e325a.dat"
-[ 15,  8 ] = ascii (fp) : "./hrtfs/elev-15/L-15e320a.dat"
-[ 15,  9 ] = ascii (fp) : "./hrtfs/elev-15/L-15e315a.dat"
-[ 15, 10 ] = ascii (fp) : "./hrtfs/elev-15/L-15e310a.dat"
-[ 15, 11 ] = ascii (fp) : "./hrtfs/elev-15/L-15e305a.dat"
-[ 15, 12 ] = ascii (fp) : "./hrtfs/elev-15/L-15e300a.dat"
-[ 15, 13 ] = ascii (fp) : "./hrtfs/elev-15/L-15e295a.dat"
-[ 15, 14 ] = ascii (fp) : "./hrtfs/elev-15/L-15e290a.dat"
-[ 15, 15 ] = ascii (fp) : "./hrtfs/elev-15/L-15e285a.dat"
-[ 15, 16 ] = ascii (fp) : "./hrtfs/elev-15/L-15e280a.dat"
-[ 15, 17 ] = ascii (fp) : "./hrtfs/elev-15/L-15e275a.dat"
-[ 15, 18 ] = ascii (fp) : "./hrtfs/elev-15/L-15e270a.dat"
-[ 15, 19 ] = ascii (fp) : "./hrtfs/elev-15/L-15e265a.dat"
-[ 15, 20 ] = ascii (fp) : "./hrtfs/elev-15/L-15e260a.dat"
-[ 15, 21 ] = ascii (fp) : "./hrtfs/elev-15/L-15e255a.dat"
-[ 15, 22 ] = ascii (fp) : "./hrtfs/elev-15/L-15e250a.dat"
-[ 15, 23 ] = ascii (fp) : "./hrtfs/elev-15/L-15e245a.dat"
-[ 15, 24 ] = ascii (fp) : "./hrtfs/elev-15/L-15e240a.dat"
-[ 15, 25 ] = ascii (fp) : "./hrtfs/elev-15/L-15e235a.dat"
-[ 15, 26 ] = ascii (fp) : "./hrtfs/elev-15/L-15e230a.dat"
-[ 15, 27 ] = ascii (fp) : "./hrtfs/elev-15/L-15e225a.dat"
-[ 15, 28 ] = ascii (fp) : "./hrtfs/elev-15/L-15e220a.dat"
-[ 15, 29 ] = ascii (fp) : "./hrtfs/elev-15/L-15e215a.dat"
-[ 15, 30 ] = ascii (fp) : "./hrtfs/elev-15/L-15e210a.dat"
-[ 15, 31 ] = ascii (fp) : "./hrtfs/elev-15/L-15e205a.dat"
-[ 15, 32 ] = ascii (fp) : "./hrtfs/elev-15/L-15e200a.dat"
-[ 15, 33 ] = ascii (fp) : "./hrtfs/elev-15/L-15e195a.dat"
-[ 15, 34 ] = ascii (fp) : "./hrtfs/elev-15/L-15e190a.dat"
-[ 15, 35 ] = ascii (fp) : "./hrtfs/elev-15/L-15e185a.dat"
-[ 15, 36 ] = ascii (fp) : "./hrtfs/elev-15/L-15e180a.dat"
-[ 15, 37 ] = ascii (fp) : "./hrtfs/elev-15/L-15e175a.dat"
-[ 15, 38 ] = ascii (fp) : "./hrtfs/elev-15/L-15e170a.dat"
-[ 15, 39 ] = ascii (fp) : "./hrtfs/elev-15/L-15e165a.dat"
-[ 15, 40 ] = ascii (fp) : "./hrtfs/elev-15/L-15e160a.dat"
-[ 15, 41 ] = ascii (fp) : "./hrtfs/elev-15/L-15e155a.dat"
-[ 15, 42 ] = ascii (fp) : "./hrtfs/elev-15/L-15e150a.dat"
-[ 15, 43 ] = ascii (fp) : "./hrtfs/elev-15/L-15e145a.dat"
-[ 15, 44 ] = ascii (fp) : "./hrtfs/elev-15/L-15e140a.dat"
-[ 15, 45 ] = ascii (fp) : "./hrtfs/elev-15/L-15e135a.dat"
-[ 15, 46 ] = ascii (fp) : "./hrtfs/elev-15/L-15e130a.dat"
-[ 15, 47 ] = ascii (fp) : "./hrtfs/elev-15/L-15e125a.dat"
-[ 15, 48 ] = ascii (fp) : "./hrtfs/elev-15/L-15e120a.dat"
-[ 15, 49 ] = ascii (fp) : "./hrtfs/elev-15/L-15e115a.dat"
-[ 15, 50 ] = ascii (fp) : "./hrtfs/elev-15/L-15e110a.dat"
-[ 15, 51 ] = ascii (fp) : "./hrtfs/elev-15/L-15e105a.dat"
-[ 15, 52 ] = ascii (fp) : "./hrtfs/elev-15/L-15e100a.dat"
-[ 15, 53 ] = ascii (fp) : "./hrtfs/elev-15/L-15e095a.dat"
-[ 15, 54 ] = ascii (fp) : "./hrtfs/elev-15/L-15e090a.dat"
-[ 15, 55 ] = ascii (fp) : "./hrtfs/elev-15/L-15e085a.dat"
-[ 15, 56 ] = ascii (fp) : "./hrtfs/elev-15/L-15e080a.dat"
-[ 15, 57 ] = ascii (fp) : "./hrtfs/elev-15/L-15e075a.dat"
-[ 15, 58 ] = ascii (fp) : "./hrtfs/elev-15/L-15e070a.dat"
-[ 15, 59 ] = ascii (fp) : "./hrtfs/elev-15/L-15e065a.dat"
-[ 15, 60 ] = ascii (fp) : "./hrtfs/elev-15/L-15e060a.dat"
-[ 15, 61 ] = ascii (fp) : "./hrtfs/elev-15/L-15e055a.dat"
-[ 15, 62 ] = ascii (fp) : "./hrtfs/elev-15/L-15e050a.dat"
-[ 15, 63 ] = ascii (fp) : "./hrtfs/elev-15/L-15e045a.dat"
-[ 15, 64 ] = ascii (fp) : "./hrtfs/elev-15/L-15e040a.dat"
-[ 15, 65 ] = ascii (fp) : "./hrtfs/elev-15/L-15e035a.dat"
-[ 15, 66 ] = ascii (fp) : "./hrtfs/elev-15/L-15e030a.dat"
-[ 15, 67 ] = ascii (fp) : "./hrtfs/elev-15/L-15e025a.dat"
-[ 15, 68 ] = ascii (fp) : "./hrtfs/elev-15/L-15e020a.dat"
-[ 15, 69 ] = ascii (fp) : "./hrtfs/elev-15/L-15e015a.dat"
-[ 15, 70 ] = ascii (fp) : "./hrtfs/elev-15/L-15e010a.dat"
-[ 15, 71 ] = ascii (fp) : "./hrtfs/elev-15/L-15e005a.dat"
+[ 15,  0 ] = ascii (fp) : "./hrtfs/elev-15/L-15e000a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e000a.dat right
+[ 15,  1 ] = ascii (fp) : "./hrtfs/elev-15/L-15e355a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e355a.dat right
+[ 15,  2 ] = ascii (fp) : "./hrtfs/elev-15/L-15e350a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e350a.dat right
+[ 15,  3 ] = ascii (fp) : "./hrtfs/elev-15/L-15e345a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e345a.dat right
+[ 15,  4 ] = ascii (fp) : "./hrtfs/elev-15/L-15e340a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e340a.dat right
+[ 15,  5 ] = ascii (fp) : "./hrtfs/elev-15/L-15e335a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e335a.dat right
+[ 15,  6 ] = ascii (fp) : "./hrtfs/elev-15/L-15e330a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e330a.dat right
+[ 15,  7 ] = ascii (fp) : "./hrtfs/elev-15/L-15e325a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e325a.dat right
+[ 15,  8 ] = ascii (fp) : "./hrtfs/elev-15/L-15e320a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e320a.dat right
+[ 15,  9 ] = ascii (fp) : "./hrtfs/elev-15/L-15e315a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e315a.dat right
+[ 15, 10 ] = ascii (fp) : "./hrtfs/elev-15/L-15e310a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e310a.dat right
+[ 15, 11 ] = ascii (fp) : "./hrtfs/elev-15/L-15e305a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e305a.dat right
+[ 15, 12 ] = ascii (fp) : "./hrtfs/elev-15/L-15e300a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e300a.dat right
+[ 15, 13 ] = ascii (fp) : "./hrtfs/elev-15/L-15e295a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e295a.dat right
+[ 15, 14 ] = ascii (fp) : "./hrtfs/elev-15/L-15e290a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e290a.dat right
+[ 15, 15 ] = ascii (fp) : "./hrtfs/elev-15/L-15e285a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e285a.dat right
+[ 15, 16 ] = ascii (fp) : "./hrtfs/elev-15/L-15e280a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e280a.dat right
+[ 15, 17 ] = ascii (fp) : "./hrtfs/elev-15/L-15e275a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e275a.dat right
+[ 15, 18 ] = ascii (fp) : "./hrtfs/elev-15/L-15e270a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e270a.dat right
+[ 15, 19 ] = ascii (fp) : "./hrtfs/elev-15/L-15e265a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e265a.dat right
+[ 15, 20 ] = ascii (fp) : "./hrtfs/elev-15/L-15e260a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e260a.dat right
+[ 15, 21 ] = ascii (fp) : "./hrtfs/elev-15/L-15e255a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e255a.dat right
+[ 15, 22 ] = ascii (fp) : "./hrtfs/elev-15/L-15e250a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e250a.dat right
+[ 15, 23 ] = ascii (fp) : "./hrtfs/elev-15/L-15e245a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e245a.dat right
+[ 15, 24 ] = ascii (fp) : "./hrtfs/elev-15/L-15e240a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e240a.dat right
+[ 15, 25 ] = ascii (fp) : "./hrtfs/elev-15/L-15e235a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e235a.dat right
+[ 15, 26 ] = ascii (fp) : "./hrtfs/elev-15/L-15e230a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e230a.dat right
+[ 15, 27 ] = ascii (fp) : "./hrtfs/elev-15/L-15e225a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e225a.dat right
+[ 15, 28 ] = ascii (fp) : "./hrtfs/elev-15/L-15e220a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e220a.dat right
+[ 15, 29 ] = ascii (fp) : "./hrtfs/elev-15/L-15e215a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e215a.dat right
+[ 15, 30 ] = ascii (fp) : "./hrtfs/elev-15/L-15e210a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e210a.dat right
+[ 15, 31 ] = ascii (fp) : "./hrtfs/elev-15/L-15e205a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e205a.dat right
+[ 15, 32 ] = ascii (fp) : "./hrtfs/elev-15/L-15e200a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e200a.dat right
+[ 15, 33 ] = ascii (fp) : "./hrtfs/elev-15/L-15e195a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e195a.dat right
+[ 15, 34 ] = ascii (fp) : "./hrtfs/elev-15/L-15e190a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e190a.dat right
+[ 15, 35 ] = ascii (fp) : "./hrtfs/elev-15/L-15e185a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e185a.dat right
+[ 15, 36 ] = ascii (fp) : "./hrtfs/elev-15/L-15e180a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e180a.dat right
+[ 15, 37 ] = ascii (fp) : "./hrtfs/elev-15/L-15e175a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e175a.dat right
+[ 15, 38 ] = ascii (fp) : "./hrtfs/elev-15/L-15e170a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e170a.dat right
+[ 15, 39 ] = ascii (fp) : "./hrtfs/elev-15/L-15e165a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e165a.dat right
+[ 15, 40 ] = ascii (fp) : "./hrtfs/elev-15/L-15e160a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e160a.dat right
+[ 15, 41 ] = ascii (fp) : "./hrtfs/elev-15/L-15e155a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e155a.dat right
+[ 15, 42 ] = ascii (fp) : "./hrtfs/elev-15/L-15e150a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e150a.dat right
+[ 15, 43 ] = ascii (fp) : "./hrtfs/elev-15/L-15e145a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e145a.dat right
+[ 15, 44 ] = ascii (fp) : "./hrtfs/elev-15/L-15e140a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e140a.dat right
+[ 15, 45 ] = ascii (fp) : "./hrtfs/elev-15/L-15e135a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e135a.dat right
+[ 15, 46 ] = ascii (fp) : "./hrtfs/elev-15/L-15e130a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e130a.dat right
+[ 15, 47 ] = ascii (fp) : "./hrtfs/elev-15/L-15e125a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e125a.dat right
+[ 15, 48 ] = ascii (fp) : "./hrtfs/elev-15/L-15e120a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e120a.dat right
+[ 15, 49 ] = ascii (fp) : "./hrtfs/elev-15/L-15e115a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e115a.dat right
+[ 15, 50 ] = ascii (fp) : "./hrtfs/elev-15/L-15e110a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e110a.dat right
+[ 15, 51 ] = ascii (fp) : "./hrtfs/elev-15/L-15e105a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e105a.dat right
+[ 15, 52 ] = ascii (fp) : "./hrtfs/elev-15/L-15e100a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e100a.dat right
+[ 15, 53 ] = ascii (fp) : "./hrtfs/elev-15/L-15e095a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e095a.dat right
+[ 15, 54 ] = ascii (fp) : "./hrtfs/elev-15/L-15e090a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e090a.dat right
+[ 15, 55 ] = ascii (fp) : "./hrtfs/elev-15/L-15e085a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e085a.dat right
+[ 15, 56 ] = ascii (fp) : "./hrtfs/elev-15/L-15e080a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e080a.dat right
+[ 15, 57 ] = ascii (fp) : "./hrtfs/elev-15/L-15e075a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e075a.dat right
+[ 15, 58 ] = ascii (fp) : "./hrtfs/elev-15/L-15e070a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e070a.dat right
+[ 15, 59 ] = ascii (fp) : "./hrtfs/elev-15/L-15e065a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e065a.dat right
+[ 15, 60 ] = ascii (fp) : "./hrtfs/elev-15/L-15e060a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e060a.dat right
+[ 15, 61 ] = ascii (fp) : "./hrtfs/elev-15/L-15e055a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e055a.dat right
+[ 15, 62 ] = ascii (fp) : "./hrtfs/elev-15/L-15e050a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e050a.dat right
+[ 15, 63 ] = ascii (fp) : "./hrtfs/elev-15/L-15e045a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e045a.dat right
+[ 15, 64 ] = ascii (fp) : "./hrtfs/elev-15/L-15e040a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e040a.dat right
+[ 15, 65 ] = ascii (fp) : "./hrtfs/elev-15/L-15e035a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e035a.dat right
+[ 15, 66 ] = ascii (fp) : "./hrtfs/elev-15/L-15e030a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e030a.dat right
+[ 15, 67 ] = ascii (fp) : "./hrtfs/elev-15/L-15e025a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e025a.dat right
+[ 15, 68 ] = ascii (fp) : "./hrtfs/elev-15/L-15e020a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e020a.dat right
+[ 15, 69 ] = ascii (fp) : "./hrtfs/elev-15/L-15e015a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e015a.dat right
+[ 15, 70 ] = ascii (fp) : "./hrtfs/elev-15/L-15e010a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e010a.dat right
+[ 15, 71 ] = ascii (fp) : "./hrtfs/elev-15/L-15e005a.dat left
+           + ascii (fp) : "./hrtfs/elev-15/R-15e005a.dat right
 
-[ 16,  0 ] = ascii (fp) : "./hrtfs/elev-10/L-10e000a.dat"
-[ 16,  1 ] = ascii (fp) : "./hrtfs/elev-10/L-10e355a.dat"
-[ 16,  2 ] = ascii (fp) : "./hrtfs/elev-10/L-10e350a.dat"
-[ 16,  3 ] = ascii (fp) : "./hrtfs/elev-10/L-10e345a.dat"
-[ 16,  4 ] = ascii (fp) : "./hrtfs/elev-10/L-10e340a.dat"
-[ 16,  5 ] = ascii (fp) : "./hrtfs/elev-10/L-10e335a.dat"
-[ 16,  6 ] = ascii (fp) : "./hrtfs/elev-10/L-10e330a.dat"
-[ 16,  7 ] = ascii (fp) : "./hrtfs/elev-10/L-10e325a.dat"
-[ 16,  8 ] = ascii (fp) : "./hrtfs/elev-10/L-10e320a.dat"
-[ 16,  9 ] = ascii (fp) : "./hrtfs/elev-10/L-10e315a.dat"
-[ 16, 10 ] = ascii (fp) : "./hrtfs/elev-10/L-10e310a.dat"
-[ 16, 11 ] = ascii (fp) : "./hrtfs/elev-10/L-10e305a.dat"
-[ 16, 12 ] = ascii (fp) : "./hrtfs/elev-10/L-10e300a.dat"
-[ 16, 13 ] = ascii (fp) : "./hrtfs/elev-10/L-10e295a.dat"
-[ 16, 14 ] = ascii (fp) : "./hrtfs/elev-10/L-10e290a.dat"
-[ 16, 15 ] = ascii (fp) : "./hrtfs/elev-10/L-10e285a.dat"
-[ 16, 16 ] = ascii (fp) : "./hrtfs/elev-10/L-10e280a.dat"
-[ 16, 17 ] = ascii (fp) : "./hrtfs/elev-10/L-10e275a.dat"
-[ 16, 18 ] = ascii (fp) : "./hrtfs/elev-10/L-10e270a.dat"
-[ 16, 19 ] = ascii (fp) : "./hrtfs/elev-10/L-10e265a.dat"
-[ 16, 20 ] = ascii (fp) : "./hrtfs/elev-10/L-10e260a.dat"
-[ 16, 21 ] = ascii (fp) : "./hrtfs/elev-10/L-10e255a.dat"
-[ 16, 22 ] = ascii (fp) : "./hrtfs/elev-10/L-10e250a.dat"
-[ 16, 23 ] = ascii (fp) : "./hrtfs/elev-10/L-10e245a.dat"
-[ 16, 24 ] = ascii (fp) : "./hrtfs/elev-10/L-10e240a.dat"
-[ 16, 25 ] = ascii (fp) : "./hrtfs/elev-10/L-10e235a.dat"
-[ 16, 26 ] = ascii (fp) : "./hrtfs/elev-10/L-10e230a.dat"
-[ 16, 27 ] = ascii (fp) : "./hrtfs/elev-10/L-10e225a.dat"
-[ 16, 28 ] = ascii (fp) : "./hrtfs/elev-10/L-10e220a.dat"
-[ 16, 29 ] = ascii (fp) : "./hrtfs/elev-10/L-10e215a.dat"
-[ 16, 30 ] = ascii (fp) : "./hrtfs/elev-10/L-10e210a.dat"
-[ 16, 31 ] = ascii (fp) : "./hrtfs/elev-10/L-10e205a.dat"
-[ 16, 32 ] = ascii (fp) : "./hrtfs/elev-10/L-10e200a.dat"
-[ 16, 33 ] = ascii (fp) : "./hrtfs/elev-10/L-10e195a.dat"
-[ 16, 34 ] = ascii (fp) : "./hrtfs/elev-10/L-10e190a.dat"
-[ 16, 35 ] = ascii (fp) : "./hrtfs/elev-10/L-10e185a.dat"
-[ 16, 36 ] = ascii (fp) : "./hrtfs/elev-10/L-10e180a.dat"
-[ 16, 37 ] = ascii (fp) : "./hrtfs/elev-10/L-10e175a.dat"
-[ 16, 38 ] = ascii (fp) : "./hrtfs/elev-10/L-10e170a.dat"
-[ 16, 39 ] = ascii (fp) : "./hrtfs/elev-10/L-10e165a.dat"
-[ 16, 40 ] = ascii (fp) : "./hrtfs/elev-10/L-10e160a.dat"
-[ 16, 41 ] = ascii (fp) : "./hrtfs/elev-10/L-10e155a.dat"
-[ 16, 42 ] = ascii (fp) : "./hrtfs/elev-10/L-10e150a.dat"
-[ 16, 43 ] = ascii (fp) : "./hrtfs/elev-10/L-10e145a.dat"
-[ 16, 44 ] = ascii (fp) : "./hrtfs/elev-10/L-10e140a.dat"
-[ 16, 45 ] = ascii (fp) : "./hrtfs/elev-10/L-10e135a.dat"
-[ 16, 46 ] = ascii (fp) : "./hrtfs/elev-10/L-10e130a.dat"
-[ 16, 47 ] = ascii (fp) : "./hrtfs/elev-10/L-10e125a.dat"
-[ 16, 48 ] = ascii (fp) : "./hrtfs/elev-10/L-10e120a.dat"
-[ 16, 49 ] = ascii (fp) : "./hrtfs/elev-10/L-10e115a.dat"
-[ 16, 50 ] = ascii (fp) : "./hrtfs/elev-10/L-10e110a.dat"
-[ 16, 51 ] = ascii (fp) : "./hrtfs/elev-10/L-10e105a.dat"
-[ 16, 52 ] = ascii (fp) : "./hrtfs/elev-10/L-10e100a.dat"
-[ 16, 53 ] = ascii (fp) : "./hrtfs/elev-10/L-10e095a.dat"
-[ 16, 54 ] = ascii (fp) : "./hrtfs/elev-10/L-10e090a.dat"
-[ 16, 55 ] = ascii (fp) : "./hrtfs/elev-10/L-10e085a.dat"
-[ 16, 56 ] = ascii (fp) : "./hrtfs/elev-10/L-10e080a.dat"
-[ 16, 57 ] = ascii (fp) : "./hrtfs/elev-10/L-10e075a.dat"
-[ 16, 58 ] = ascii (fp) : "./hrtfs/elev-10/L-10e070a.dat"
-[ 16, 59 ] = ascii (fp) : "./hrtfs/elev-10/L-10e065a.dat"
-[ 16, 60 ] = ascii (fp) : "./hrtfs/elev-10/L-10e060a.dat"
-[ 16, 61 ] = ascii (fp) : "./hrtfs/elev-10/L-10e055a.dat"
-[ 16, 62 ] = ascii (fp) : "./hrtfs/elev-10/L-10e050a.dat"
-[ 16, 63 ] = ascii (fp) : "./hrtfs/elev-10/L-10e045a.dat"
-[ 16, 64 ] = ascii (fp) : "./hrtfs/elev-10/L-10e040a.dat"
-[ 16, 65 ] = ascii (fp) : "./hrtfs/elev-10/L-10e035a.dat"
-[ 16, 66 ] = ascii (fp) : "./hrtfs/elev-10/L-10e030a.dat"
-[ 16, 67 ] = ascii (fp) : "./hrtfs/elev-10/L-10e025a.dat"
-[ 16, 68 ] = ascii (fp) : "./hrtfs/elev-10/L-10e020a.dat"
-[ 16, 69 ] = ascii (fp) : "./hrtfs/elev-10/L-10e015a.dat"
-[ 16, 70 ] = ascii (fp) : "./hrtfs/elev-10/L-10e010a.dat"
-[ 16, 71 ] = ascii (fp) : "./hrtfs/elev-10/L-10e005a.dat"
+[ 16,  0 ] = ascii (fp) : "./hrtfs/elev-10/L-10e000a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e000a.dat right
+[ 16,  1 ] = ascii (fp) : "./hrtfs/elev-10/L-10e355a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e355a.dat right
+[ 16,  2 ] = ascii (fp) : "./hrtfs/elev-10/L-10e350a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e350a.dat right
+[ 16,  3 ] = ascii (fp) : "./hrtfs/elev-10/L-10e345a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e345a.dat right
+[ 16,  4 ] = ascii (fp) : "./hrtfs/elev-10/L-10e340a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e340a.dat right
+[ 16,  5 ] = ascii (fp) : "./hrtfs/elev-10/L-10e335a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e335a.dat right
+[ 16,  6 ] = ascii (fp) : "./hrtfs/elev-10/L-10e330a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e330a.dat right
+[ 16,  7 ] = ascii (fp) : "./hrtfs/elev-10/L-10e325a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e325a.dat right
+[ 16,  8 ] = ascii (fp) : "./hrtfs/elev-10/L-10e320a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e320a.dat right
+[ 16,  9 ] = ascii (fp) : "./hrtfs/elev-10/L-10e315a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e315a.dat right
+[ 16, 10 ] = ascii (fp) : "./hrtfs/elev-10/L-10e310a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e310a.dat right
+[ 16, 11 ] = ascii (fp) : "./hrtfs/elev-10/L-10e305a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e305a.dat right
+[ 16, 12 ] = ascii (fp) : "./hrtfs/elev-10/L-10e300a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e300a.dat right
+[ 16, 13 ] = ascii (fp) : "./hrtfs/elev-10/L-10e295a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e295a.dat right
+[ 16, 14 ] = ascii (fp) : "./hrtfs/elev-10/L-10e290a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e290a.dat right
+[ 16, 15 ] = ascii (fp) : "./hrtfs/elev-10/L-10e285a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e285a.dat right
+[ 16, 16 ] = ascii (fp) : "./hrtfs/elev-10/L-10e280a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e280a.dat right
+[ 16, 17 ] = ascii (fp) : "./hrtfs/elev-10/L-10e275a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e275a.dat right
+[ 16, 18 ] = ascii (fp) : "./hrtfs/elev-10/L-10e270a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e270a.dat right
+[ 16, 19 ] = ascii (fp) : "./hrtfs/elev-10/L-10e265a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e265a.dat right
+[ 16, 20 ] = ascii (fp) : "./hrtfs/elev-10/L-10e260a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e260a.dat right
+[ 16, 21 ] = ascii (fp) : "./hrtfs/elev-10/L-10e255a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e255a.dat right
+[ 16, 22 ] = ascii (fp) : "./hrtfs/elev-10/L-10e250a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e250a.dat right
+[ 16, 23 ] = ascii (fp) : "./hrtfs/elev-10/L-10e245a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e245a.dat right
+[ 16, 24 ] = ascii (fp) : "./hrtfs/elev-10/L-10e240a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e240a.dat right
+[ 16, 25 ] = ascii (fp) : "./hrtfs/elev-10/L-10e235a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e235a.dat right
+[ 16, 26 ] = ascii (fp) : "./hrtfs/elev-10/L-10e230a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e230a.dat right
+[ 16, 27 ] = ascii (fp) : "./hrtfs/elev-10/L-10e225a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e225a.dat right
+[ 16, 28 ] = ascii (fp) : "./hrtfs/elev-10/L-10e220a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e220a.dat right
+[ 16, 29 ] = ascii (fp) : "./hrtfs/elev-10/L-10e215a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e215a.dat right
+[ 16, 30 ] = ascii (fp) : "./hrtfs/elev-10/L-10e210a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e210a.dat right
+[ 16, 31 ] = ascii (fp) : "./hrtfs/elev-10/L-10e205a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e205a.dat right
+[ 16, 32 ] = ascii (fp) : "./hrtfs/elev-10/L-10e200a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e200a.dat right
+[ 16, 33 ] = ascii (fp) : "./hrtfs/elev-10/L-10e195a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e195a.dat right
+[ 16, 34 ] = ascii (fp) : "./hrtfs/elev-10/L-10e190a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e190a.dat right
+[ 16, 35 ] = ascii (fp) : "./hrtfs/elev-10/L-10e185a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e185a.dat right
+[ 16, 36 ] = ascii (fp) : "./hrtfs/elev-10/L-10e180a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e180a.dat right
+[ 16, 37 ] = ascii (fp) : "./hrtfs/elev-10/L-10e175a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e175a.dat right
+[ 16, 38 ] = ascii (fp) : "./hrtfs/elev-10/L-10e170a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e170a.dat right
+[ 16, 39 ] = ascii (fp) : "./hrtfs/elev-10/L-10e165a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e165a.dat right
+[ 16, 40 ] = ascii (fp) : "./hrtfs/elev-10/L-10e160a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e160a.dat right
+[ 16, 41 ] = ascii (fp) : "./hrtfs/elev-10/L-10e155a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e155a.dat right
+[ 16, 42 ] = ascii (fp) : "./hrtfs/elev-10/L-10e150a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e150a.dat right
+[ 16, 43 ] = ascii (fp) : "./hrtfs/elev-10/L-10e145a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e145a.dat right
+[ 16, 44 ] = ascii (fp) : "./hrtfs/elev-10/L-10e140a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e140a.dat right
+[ 16, 45 ] = ascii (fp) : "./hrtfs/elev-10/L-10e135a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e135a.dat right
+[ 16, 46 ] = ascii (fp) : "./hrtfs/elev-10/L-10e130a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e130a.dat right
+[ 16, 47 ] = ascii (fp) : "./hrtfs/elev-10/L-10e125a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e125a.dat right
+[ 16, 48 ] = ascii (fp) : "./hrtfs/elev-10/L-10e120a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e120a.dat right
+[ 16, 49 ] = ascii (fp) : "./hrtfs/elev-10/L-10e115a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e115a.dat right
+[ 16, 50 ] = ascii (fp) : "./hrtfs/elev-10/L-10e110a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e110a.dat right
+[ 16, 51 ] = ascii (fp) : "./hrtfs/elev-10/L-10e105a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e105a.dat right
+[ 16, 52 ] = ascii (fp) : "./hrtfs/elev-10/L-10e100a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e100a.dat right
+[ 16, 53 ] = ascii (fp) : "./hrtfs/elev-10/L-10e095a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e095a.dat right
+[ 16, 54 ] = ascii (fp) : "./hrtfs/elev-10/L-10e090a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e090a.dat right
+[ 16, 55 ] = ascii (fp) : "./hrtfs/elev-10/L-10e085a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e085a.dat right
+[ 16, 56 ] = ascii (fp) : "./hrtfs/elev-10/L-10e080a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e080a.dat right
+[ 16, 57 ] = ascii (fp) : "./hrtfs/elev-10/L-10e075a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e075a.dat right
+[ 16, 58 ] = ascii (fp) : "./hrtfs/elev-10/L-10e070a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e070a.dat right
+[ 16, 59 ] = ascii (fp) : "./hrtfs/elev-10/L-10e065a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e065a.dat right
+[ 16, 60 ] = ascii (fp) : "./hrtfs/elev-10/L-10e060a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e060a.dat right
+[ 16, 61 ] = ascii (fp) : "./hrtfs/elev-10/L-10e055a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e055a.dat right
+[ 16, 62 ] = ascii (fp) : "./hrtfs/elev-10/L-10e050a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e050a.dat right
+[ 16, 63 ] = ascii (fp) : "./hrtfs/elev-10/L-10e045a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e045a.dat right
+[ 16, 64 ] = ascii (fp) : "./hrtfs/elev-10/L-10e040a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e040a.dat right
+[ 16, 65 ] = ascii (fp) : "./hrtfs/elev-10/L-10e035a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e035a.dat right
+[ 16, 66 ] = ascii (fp) : "./hrtfs/elev-10/L-10e030a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e030a.dat right
+[ 16, 67 ] = ascii (fp) : "./hrtfs/elev-10/L-10e025a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e025a.dat right
+[ 16, 68 ] = ascii (fp) : "./hrtfs/elev-10/L-10e020a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e020a.dat right
+[ 16, 69 ] = ascii (fp) : "./hrtfs/elev-10/L-10e015a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e015a.dat right
+[ 16, 70 ] = ascii (fp) : "./hrtfs/elev-10/L-10e010a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e010a.dat right
+[ 16, 71 ] = ascii (fp) : "./hrtfs/elev-10/L-10e005a.dat left
+           + ascii (fp) : "./hrtfs/elev-10/R-10e005a.dat right
 
-[ 17,  0 ] = ascii (fp) : "./hrtfs/elev-5/L-5e000a.dat"
-[ 17,  1 ] = ascii (fp) : "./hrtfs/elev-5/L-5e355a.dat"
-[ 17,  2 ] = ascii (fp) : "./hrtfs/elev-5/L-5e350a.dat"
-[ 17,  3 ] = ascii (fp) : "./hrtfs/elev-5/L-5e345a.dat"
-[ 17,  4 ] = ascii (fp) : "./hrtfs/elev-5/L-5e340a.dat"
-[ 17,  5 ] = ascii (fp) : "./hrtfs/elev-5/L-5e335a.dat"
-[ 17,  6 ] = ascii (fp) : "./hrtfs/elev-5/L-5e330a.dat"
-[ 17,  7 ] = ascii (fp) : "./hrtfs/elev-5/L-5e325a.dat"
-[ 17,  8 ] = ascii (fp) : "./hrtfs/elev-5/L-5e320a.dat"
-[ 17,  9 ] = ascii (fp) : "./hrtfs/elev-5/L-5e315a.dat"
-[ 17, 10 ] = ascii (fp) : "./hrtfs/elev-5/L-5e310a.dat"
-[ 17, 11 ] = ascii (fp) : "./hrtfs/elev-5/L-5e305a.dat"
-[ 17, 12 ] = ascii (fp) : "./hrtfs/elev-5/L-5e300a.dat"
-[ 17, 13 ] = ascii (fp) : "./hrtfs/elev-5/L-5e295a.dat"
-[ 17, 14 ] = ascii (fp) : "./hrtfs/elev-5/L-5e290a.dat"
-[ 17, 15 ] = ascii (fp) : "./hrtfs/elev-5/L-5e285a.dat"
-[ 17, 16 ] = ascii (fp) : "./hrtfs/elev-5/L-5e280a.dat"
-[ 17, 17 ] = ascii (fp) : "./hrtfs/elev-5/L-5e275a.dat"
-[ 17, 18 ] = ascii (fp) : "./hrtfs/elev-5/L-5e270a.dat"
-[ 17, 19 ] = ascii (fp) : "./hrtfs/elev-5/L-5e265a.dat"
-[ 17, 20 ] = ascii (fp) : "./hrtfs/elev-5/L-5e260a.dat"
-[ 17, 21 ] = ascii (fp) : "./hrtfs/elev-5/L-5e255a.dat"
-[ 17, 22 ] = ascii (fp) : "./hrtfs/elev-5/L-5e250a.dat"
-[ 17, 23 ] = ascii (fp) : "./hrtfs/elev-5/L-5e245a.dat"
-[ 17, 24 ] = ascii (fp) : "./hrtfs/elev-5/L-5e240a.dat"
-[ 17, 25 ] = ascii (fp) : "./hrtfs/elev-5/L-5e235a.dat"
-[ 17, 26 ] = ascii (fp) : "./hrtfs/elev-5/L-5e230a.dat"
-[ 17, 27 ] = ascii (fp) : "./hrtfs/elev-5/L-5e225a.dat"
-[ 17, 28 ] = ascii (fp) : "./hrtfs/elev-5/L-5e220a.dat"
-[ 17, 29 ] = ascii (fp) : "./hrtfs/elev-5/L-5e215a.dat"
-[ 17, 30 ] = ascii (fp) : "./hrtfs/elev-5/L-5e210a.dat"
-[ 17, 31 ] = ascii (fp) : "./hrtfs/elev-5/L-5e205a.dat"
-[ 17, 32 ] = ascii (fp) : "./hrtfs/elev-5/L-5e200a.dat"
-[ 17, 33 ] = ascii (fp) : "./hrtfs/elev-5/L-5e195a.dat"
-[ 17, 34 ] = ascii (fp) : "./hrtfs/elev-5/L-5e190a.dat"
-[ 17, 35 ] = ascii (fp) : "./hrtfs/elev-5/L-5e185a.dat"
-[ 17, 36 ] = ascii (fp) : "./hrtfs/elev-5/L-5e180a.dat"
-[ 17, 37 ] = ascii (fp) : "./hrtfs/elev-5/L-5e175a.dat"
-[ 17, 38 ] = ascii (fp) : "./hrtfs/elev-5/L-5e170a.dat"
-[ 17, 39 ] = ascii (fp) : "./hrtfs/elev-5/L-5e165a.dat"
-[ 17, 40 ] = ascii (fp) : "./hrtfs/elev-5/L-5e160a.dat"
-[ 17, 41 ] = ascii (fp) : "./hrtfs/elev-5/L-5e155a.dat"
-[ 17, 42 ] = ascii (fp) : "./hrtfs/elev-5/L-5e150a.dat"
-[ 17, 43 ] = ascii (fp) : "./hrtfs/elev-5/L-5e145a.dat"
-[ 17, 44 ] = ascii (fp) : "./hrtfs/elev-5/L-5e140a.dat"
-[ 17, 45 ] = ascii (fp) : "./hrtfs/elev-5/L-5e135a.dat"
-[ 17, 46 ] = ascii (fp) : "./hrtfs/elev-5/L-5e130a.dat"
-[ 17, 47 ] = ascii (fp) : "./hrtfs/elev-5/L-5e125a.dat"
-[ 17, 48 ] = ascii (fp) : "./hrtfs/elev-5/L-5e120a.dat"
-[ 17, 49 ] = ascii (fp) : "./hrtfs/elev-5/L-5e115a.dat"
-[ 17, 50 ] = ascii (fp) : "./hrtfs/elev-5/L-5e110a.dat"
-[ 17, 51 ] = ascii (fp) : "./hrtfs/elev-5/L-5e105a.dat"
-[ 17, 52 ] = ascii (fp) : "./hrtfs/elev-5/L-5e100a.dat"
-[ 17, 53 ] = ascii (fp) : "./hrtfs/elev-5/L-5e095a.dat"
-[ 17, 54 ] = ascii (fp) : "./hrtfs/elev-5/L-5e090a.dat"
-[ 17, 55 ] = ascii (fp) : "./hrtfs/elev-5/L-5e085a.dat"
-[ 17, 56 ] = ascii (fp) : "./hrtfs/elev-5/L-5e080a.dat"
-[ 17, 57 ] = ascii (fp) : "./hrtfs/elev-5/L-5e075a.dat"
-[ 17, 58 ] = ascii (fp) : "./hrtfs/elev-5/L-5e070a.dat"
-[ 17, 59 ] = ascii (fp) : "./hrtfs/elev-5/L-5e065a.dat"
-[ 17, 60 ] = ascii (fp) : "./hrtfs/elev-5/L-5e060a.dat"
-[ 17, 61 ] = ascii (fp) : "./hrtfs/elev-5/L-5e055a.dat"
-[ 17, 62 ] = ascii (fp) : "./hrtfs/elev-5/L-5e050a.dat"
-[ 17, 63 ] = ascii (fp) : "./hrtfs/elev-5/L-5e045a.dat"
-[ 17, 64 ] = ascii (fp) : "./hrtfs/elev-5/L-5e040a.dat"
-[ 17, 65 ] = ascii (fp) : "./hrtfs/elev-5/L-5e035a.dat"
-[ 17, 66 ] = ascii (fp) : "./hrtfs/elev-5/L-5e030a.dat"
-[ 17, 67 ] = ascii (fp) : "./hrtfs/elev-5/L-5e025a.dat"
-[ 17, 68 ] = ascii (fp) : "./hrtfs/elev-5/L-5e020a.dat"
-[ 17, 69 ] = ascii (fp) : "./hrtfs/elev-5/L-5e015a.dat"
-[ 17, 70 ] = ascii (fp) : "./hrtfs/elev-5/L-5e010a.dat"
-[ 17, 71 ] = ascii (fp) : "./hrtfs/elev-5/L-5e005a.dat"
+[ 17,  0 ] = ascii (fp) : "./hrtfs/elev-5/L-5e000a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e000a.dat right
+[ 17,  1 ] = ascii (fp) : "./hrtfs/elev-5/L-5e355a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e355a.dat right
+[ 17,  2 ] = ascii (fp) : "./hrtfs/elev-5/L-5e350a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e350a.dat right
+[ 17,  3 ] = ascii (fp) : "./hrtfs/elev-5/L-5e345a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e345a.dat right
+[ 17,  4 ] = ascii (fp) : "./hrtfs/elev-5/L-5e340a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e340a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e335a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e330a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e325a.dat right
+[ 17,  8 ] = ascii (fp) : "./hrtfs/elev-5/L-5e320a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e320a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e315a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e295a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e285a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e275a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e270a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e265a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e260a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e255a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e250a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e245a.dat right
+[ 17, 24 ] = ascii (fp) : "./hrtfs/elev-5/L-5e240a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e240a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e235a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e230a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e225a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e220a.dat right
+[ 17, 29 ] = ascii (fp) : "./hrtfs/elev-5/L-5e215a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e215a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e210a.dat right
+[ 17, 31 ] = ascii (fp) : "./hrtfs/elev-5/L-5e205a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e205a.dat right
+[ 17, 32 ] = ascii (fp) : "./hrtfs/elev-5/L-5e200a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e200a.dat right
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+           + ascii (fp) : "./hrtfs/elev-5/R-5e195a.dat right
+[ 17, 34 ] = ascii (fp) : "./hrtfs/elev-5/L-5e190a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e190a.dat right
+[ 17, 35 ] = ascii (fp) : "./hrtfs/elev-5/L-5e185a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e185a.dat right
+[ 17, 36 ] = ascii (fp) : "./hrtfs/elev-5/L-5e180a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e180a.dat right
+[ 17, 37 ] = ascii (fp) : "./hrtfs/elev-5/L-5e175a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e175a.dat right
+[ 17, 38 ] = ascii (fp) : "./hrtfs/elev-5/L-5e170a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e170a.dat right
+[ 17, 39 ] = ascii (fp) : "./hrtfs/elev-5/L-5e165a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e165a.dat right
+[ 17, 40 ] = ascii (fp) : "./hrtfs/elev-5/L-5e160a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e160a.dat right
+[ 17, 41 ] = ascii (fp) : "./hrtfs/elev-5/L-5e155a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e155a.dat right
+[ 17, 42 ] = ascii (fp) : "./hrtfs/elev-5/L-5e150a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e150a.dat right
+[ 17, 43 ] = ascii (fp) : "./hrtfs/elev-5/L-5e145a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e145a.dat right
+[ 17, 44 ] = ascii (fp) : "./hrtfs/elev-5/L-5e140a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e140a.dat right
+[ 17, 45 ] = ascii (fp) : "./hrtfs/elev-5/L-5e135a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e135a.dat right
+[ 17, 46 ] = ascii (fp) : "./hrtfs/elev-5/L-5e130a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e130a.dat right
+[ 17, 47 ] = ascii (fp) : "./hrtfs/elev-5/L-5e125a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e125a.dat right
+[ 17, 48 ] = ascii (fp) : "./hrtfs/elev-5/L-5e120a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e120a.dat right
+[ 17, 49 ] = ascii (fp) : "./hrtfs/elev-5/L-5e115a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e115a.dat right
+[ 17, 50 ] = ascii (fp) : "./hrtfs/elev-5/L-5e110a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e110a.dat right
+[ 17, 51 ] = ascii (fp) : "./hrtfs/elev-5/L-5e105a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e105a.dat right
+[ 17, 52 ] = ascii (fp) : "./hrtfs/elev-5/L-5e100a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e100a.dat right
+[ 17, 53 ] = ascii (fp) : "./hrtfs/elev-5/L-5e095a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e095a.dat right
+[ 17, 54 ] = ascii (fp) : "./hrtfs/elev-5/L-5e090a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e090a.dat right
+[ 17, 55 ] = ascii (fp) : "./hrtfs/elev-5/L-5e085a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e085a.dat right
+[ 17, 56 ] = ascii (fp) : "./hrtfs/elev-5/L-5e080a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e080a.dat right
+[ 17, 57 ] = ascii (fp) : "./hrtfs/elev-5/L-5e075a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e075a.dat right
+[ 17, 58 ] = ascii (fp) : "./hrtfs/elev-5/L-5e070a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e070a.dat right
+[ 17, 59 ] = ascii (fp) : "./hrtfs/elev-5/L-5e065a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e065a.dat right
+[ 17, 60 ] = ascii (fp) : "./hrtfs/elev-5/L-5e060a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e060a.dat right
+[ 17, 61 ] = ascii (fp) : "./hrtfs/elev-5/L-5e055a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e055a.dat right
+[ 17, 62 ] = ascii (fp) : "./hrtfs/elev-5/L-5e050a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e050a.dat right
+[ 17, 63 ] = ascii (fp) : "./hrtfs/elev-5/L-5e045a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e045a.dat right
+[ 17, 64 ] = ascii (fp) : "./hrtfs/elev-5/L-5e040a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e040a.dat right
+[ 17, 65 ] = ascii (fp) : "./hrtfs/elev-5/L-5e035a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e035a.dat right
+[ 17, 66 ] = ascii (fp) : "./hrtfs/elev-5/L-5e030a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e030a.dat right
+[ 17, 67 ] = ascii (fp) : "./hrtfs/elev-5/L-5e025a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e025a.dat right
+[ 17, 68 ] = ascii (fp) : "./hrtfs/elev-5/L-5e020a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e020a.dat right
+[ 17, 69 ] = ascii (fp) : "./hrtfs/elev-5/L-5e015a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e015a.dat right
+[ 17, 70 ] = ascii (fp) : "./hrtfs/elev-5/L-5e010a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e010a.dat right
+[ 17, 71 ] = ascii (fp) : "./hrtfs/elev-5/L-5e005a.dat left
+           + ascii (fp) : "./hrtfs/elev-5/R-5e005a.dat right
 
-[ 18,  0 ] = ascii (fp) : "./hrtfs/elev0/L0e000a.dat"
-[ 18,  1 ] = ascii (fp) : "./hrtfs/elev0/L0e355a.dat"
-[ 18,  2 ] = ascii (fp) : "./hrtfs/elev0/L0e350a.dat"
-[ 18,  3 ] = ascii (fp) : "./hrtfs/elev0/L0e345a.dat"
-[ 18,  4 ] = ascii (fp) : "./hrtfs/elev0/L0e340a.dat"
-[ 18,  5 ] = ascii (fp) : "./hrtfs/elev0/L0e335a.dat"
-[ 18,  6 ] = ascii (fp) : "./hrtfs/elev0/L0e330a.dat"
-[ 18,  7 ] = ascii (fp) : "./hrtfs/elev0/L0e325a.dat"
-[ 18,  8 ] = ascii (fp) : "./hrtfs/elev0/L0e320a.dat"
-[ 18,  9 ] = ascii (fp) : "./hrtfs/elev0/L0e315a.dat"
-[ 18, 10 ] = ascii (fp) : "./hrtfs/elev0/L0e310a.dat"
-[ 18, 11 ] = ascii (fp) : "./hrtfs/elev0/L0e305a.dat"
-[ 18, 12 ] = ascii (fp) : "./hrtfs/elev0/L0e300a.dat"
-[ 18, 13 ] = ascii (fp) : "./hrtfs/elev0/L0e295a.dat"
-[ 18, 14 ] = ascii (fp) : "./hrtfs/elev0/L0e290a.dat"
-[ 18, 15 ] = ascii (fp) : "./hrtfs/elev0/L0e285a.dat"
-[ 18, 16 ] = ascii (fp) : "./hrtfs/elev0/L0e280a.dat"
-[ 18, 17 ] = ascii (fp) : "./hrtfs/elev0/L0e275a.dat"
-[ 18, 18 ] = ascii (fp) : "./hrtfs/elev0/L0e270a.dat"
-[ 18, 19 ] = ascii (fp) : "./hrtfs/elev0/L0e265a.dat"
-[ 18, 20 ] = ascii (fp) : "./hrtfs/elev0/L0e260a.dat"
-[ 18, 21 ] = ascii (fp) : "./hrtfs/elev0/L0e255a.dat"
-[ 18, 22 ] = ascii (fp) : "./hrtfs/elev0/L0e250a.dat"
-[ 18, 23 ] = ascii (fp) : "./hrtfs/elev0/L0e245a.dat"
-[ 18, 24 ] = ascii (fp) : "./hrtfs/elev0/L0e240a.dat"
-[ 18, 25 ] = ascii (fp) : "./hrtfs/elev0/L0e235a.dat"
-[ 18, 26 ] = ascii (fp) : "./hrtfs/elev0/L0e230a.dat"
-[ 18, 27 ] = ascii (fp) : "./hrtfs/elev0/L0e225a.dat"
-[ 18, 28 ] = ascii (fp) : "./hrtfs/elev0/L0e220a.dat"
-[ 18, 29 ] = ascii (fp) : "./hrtfs/elev0/L0e215a.dat"
-[ 18, 30 ] = ascii (fp) : "./hrtfs/elev0/L0e210a.dat"
-[ 18, 31 ] = ascii (fp) : "./hrtfs/elev0/L0e205a.dat"
-[ 18, 32 ] = ascii (fp) : "./hrtfs/elev0/L0e200a.dat"
-[ 18, 33 ] = ascii (fp) : "./hrtfs/elev0/L0e195a.dat"
-[ 18, 34 ] = ascii (fp) : "./hrtfs/elev0/L0e190a.dat"
-[ 18, 35 ] = ascii (fp) : "./hrtfs/elev0/L0e185a.dat"
-[ 18, 36 ] = ascii (fp) : "./hrtfs/elev0/L0e180a.dat"
-[ 18, 37 ] = ascii (fp) : "./hrtfs/elev0/L0e175a.dat"
-[ 18, 38 ] = ascii (fp) : "./hrtfs/elev0/L0e170a.dat"
-[ 18, 39 ] = ascii (fp) : "./hrtfs/elev0/L0e165a.dat"
-[ 18, 40 ] = ascii (fp) : "./hrtfs/elev0/L0e160a.dat"
-[ 18, 41 ] = ascii (fp) : "./hrtfs/elev0/L0e155a.dat"
-[ 18, 42 ] = ascii (fp) : "./hrtfs/elev0/L0e150a.dat"
-[ 18, 43 ] = ascii (fp) : "./hrtfs/elev0/L0e145a.dat"
-[ 18, 44 ] = ascii (fp) : "./hrtfs/elev0/L0e140a.dat"
-[ 18, 45 ] = ascii (fp) : "./hrtfs/elev0/L0e135a.dat"
-[ 18, 46 ] = ascii (fp) : "./hrtfs/elev0/L0e130a.dat"
-[ 18, 47 ] = ascii (fp) : "./hrtfs/elev0/L0e125a.dat"
-[ 18, 48 ] = ascii (fp) : "./hrtfs/elev0/L0e120a.dat"
-[ 18, 49 ] = ascii (fp) : "./hrtfs/elev0/L0e115a.dat"
-[ 18, 50 ] = ascii (fp) : "./hrtfs/elev0/L0e110a.dat"
-[ 18, 51 ] = ascii (fp) : "./hrtfs/elev0/L0e105a.dat"
-[ 18, 52 ] = ascii (fp) : "./hrtfs/elev0/L0e100a.dat"
-[ 18, 53 ] = ascii (fp) : "./hrtfs/elev0/L0e095a.dat"
-[ 18, 54 ] = ascii (fp) : "./hrtfs/elev0/L0e090a.dat"
-[ 18, 55 ] = ascii (fp) : "./hrtfs/elev0/L0e085a.dat"
-[ 18, 56 ] = ascii (fp) : "./hrtfs/elev0/L0e080a.dat"
-[ 18, 57 ] = ascii (fp) : "./hrtfs/elev0/L0e075a.dat"
-[ 18, 58 ] = ascii (fp) : "./hrtfs/elev0/L0e070a.dat"
-[ 18, 59 ] = ascii (fp) : "./hrtfs/elev0/L0e065a.dat"
-[ 18, 60 ] = ascii (fp) : "./hrtfs/elev0/L0e060a.dat"
-[ 18, 61 ] = ascii (fp) : "./hrtfs/elev0/L0e055a.dat"
-[ 18, 62 ] = ascii (fp) : "./hrtfs/elev0/L0e050a.dat"
-[ 18, 63 ] = ascii (fp) : "./hrtfs/elev0/L0e045a.dat"
-[ 18, 64 ] = ascii (fp) : "./hrtfs/elev0/L0e040a.dat"
-[ 18, 65 ] = ascii (fp) : "./hrtfs/elev0/L0e035a.dat"
-[ 18, 66 ] = ascii (fp) : "./hrtfs/elev0/L0e030a.dat"
-[ 18, 67 ] = ascii (fp) : "./hrtfs/elev0/L0e025a.dat"
-[ 18, 68 ] = ascii (fp) : "./hrtfs/elev0/L0e020a.dat"
-[ 18, 69 ] = ascii (fp) : "./hrtfs/elev0/L0e015a.dat"
-[ 18, 70 ] = ascii (fp) : "./hrtfs/elev0/L0e010a.dat"
-[ 18, 71 ] = ascii (fp) : "./hrtfs/elev0/L0e005a.dat"
+[ 18,  0 ] = ascii (fp) : "./hrtfs/elev0/L0e000a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e000a.dat right
+[ 18,  1 ] = ascii (fp) : "./hrtfs/elev0/L0e355a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e355a.dat right
+[ 18,  2 ] = ascii (fp) : "./hrtfs/elev0/L0e350a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e350a.dat right
+[ 18,  3 ] = ascii (fp) : "./hrtfs/elev0/L0e345a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e345a.dat right
+[ 18,  4 ] = ascii (fp) : "./hrtfs/elev0/L0e340a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e340a.dat right
+[ 18,  5 ] = ascii (fp) : "./hrtfs/elev0/L0e335a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e335a.dat right
+[ 18,  6 ] = ascii (fp) : "./hrtfs/elev0/L0e330a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e330a.dat right
+[ 18,  7 ] = ascii (fp) : "./hrtfs/elev0/L0e325a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e325a.dat right
+[ 18,  8 ] = ascii (fp) : "./hrtfs/elev0/L0e320a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e320a.dat right
+[ 18,  9 ] = ascii (fp) : "./hrtfs/elev0/L0e315a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e315a.dat right
+[ 18, 10 ] = ascii (fp) : "./hrtfs/elev0/L0e310a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e310a.dat right
+[ 18, 11 ] = ascii (fp) : "./hrtfs/elev0/L0e305a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e305a.dat right
+[ 18, 12 ] = ascii (fp) : "./hrtfs/elev0/L0e300a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e300a.dat right
+[ 18, 13 ] = ascii (fp) : "./hrtfs/elev0/L0e295a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e295a.dat right
+[ 18, 14 ] = ascii (fp) : "./hrtfs/elev0/L0e290a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e290a.dat right
+[ 18, 15 ] = ascii (fp) : "./hrtfs/elev0/L0e285a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e285a.dat right
+[ 18, 16 ] = ascii (fp) : "./hrtfs/elev0/L0e280a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e280a.dat right
+[ 18, 17 ] = ascii (fp) : "./hrtfs/elev0/L0e275a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e275a.dat right
+[ 18, 18 ] = ascii (fp) : "./hrtfs/elev0/L0e270a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e270a.dat right
+[ 18, 19 ] = ascii (fp) : "./hrtfs/elev0/L0e265a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e265a.dat right
+[ 18, 20 ] = ascii (fp) : "./hrtfs/elev0/L0e260a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e260a.dat right
+[ 18, 21 ] = ascii (fp) : "./hrtfs/elev0/L0e255a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e255a.dat right
+[ 18, 22 ] = ascii (fp) : "./hrtfs/elev0/L0e250a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e250a.dat right
+[ 18, 23 ] = ascii (fp) : "./hrtfs/elev0/L0e245a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e245a.dat right
+[ 18, 24 ] = ascii (fp) : "./hrtfs/elev0/L0e240a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e240a.dat right
+[ 18, 25 ] = ascii (fp) : "./hrtfs/elev0/L0e235a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e235a.dat right
+[ 18, 26 ] = ascii (fp) : "./hrtfs/elev0/L0e230a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e230a.dat right
+[ 18, 27 ] = ascii (fp) : "./hrtfs/elev0/L0e225a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e225a.dat right
+[ 18, 28 ] = ascii (fp) : "./hrtfs/elev0/L0e220a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e220a.dat right
+[ 18, 29 ] = ascii (fp) : "./hrtfs/elev0/L0e215a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e215a.dat right
+[ 18, 30 ] = ascii (fp) : "./hrtfs/elev0/L0e210a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e210a.dat right
+[ 18, 31 ] = ascii (fp) : "./hrtfs/elev0/L0e205a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e205a.dat right
+[ 18, 32 ] = ascii (fp) : "./hrtfs/elev0/L0e200a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e200a.dat right
+[ 18, 33 ] = ascii (fp) : "./hrtfs/elev0/L0e195a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e195a.dat right
+[ 18, 34 ] = ascii (fp) : "./hrtfs/elev0/L0e190a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e190a.dat right
+[ 18, 35 ] = ascii (fp) : "./hrtfs/elev0/L0e185a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e185a.dat right
+[ 18, 36 ] = ascii (fp) : "./hrtfs/elev0/L0e180a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e180a.dat right
+[ 18, 37 ] = ascii (fp) : "./hrtfs/elev0/L0e175a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e175a.dat right
+[ 18, 38 ] = ascii (fp) : "./hrtfs/elev0/L0e170a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e170a.dat right
+[ 18, 39 ] = ascii (fp) : "./hrtfs/elev0/L0e165a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e165a.dat right
+[ 18, 40 ] = ascii (fp) : "./hrtfs/elev0/L0e160a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e160a.dat right
+[ 18, 41 ] = ascii (fp) : "./hrtfs/elev0/L0e155a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e155a.dat right
+[ 18, 42 ] = ascii (fp) : "./hrtfs/elev0/L0e150a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e150a.dat right
+[ 18, 43 ] = ascii (fp) : "./hrtfs/elev0/L0e145a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e145a.dat right
+[ 18, 44 ] = ascii (fp) : "./hrtfs/elev0/L0e140a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e140a.dat right
+[ 18, 45 ] = ascii (fp) : "./hrtfs/elev0/L0e135a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e135a.dat right
+[ 18, 46 ] = ascii (fp) : "./hrtfs/elev0/L0e130a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e130a.dat right
+[ 18, 47 ] = ascii (fp) : "./hrtfs/elev0/L0e125a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e125a.dat right
+[ 18, 48 ] = ascii (fp) : "./hrtfs/elev0/L0e120a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e120a.dat right
+[ 18, 49 ] = ascii (fp) : "./hrtfs/elev0/L0e115a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e115a.dat right
+[ 18, 50 ] = ascii (fp) : "./hrtfs/elev0/L0e110a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e110a.dat right
+[ 18, 51 ] = ascii (fp) : "./hrtfs/elev0/L0e105a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e105a.dat right
+[ 18, 52 ] = ascii (fp) : "./hrtfs/elev0/L0e100a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e100a.dat right
+[ 18, 53 ] = ascii (fp) : "./hrtfs/elev0/L0e095a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e095a.dat right
+[ 18, 54 ] = ascii (fp) : "./hrtfs/elev0/L0e090a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e090a.dat right
+[ 18, 55 ] = ascii (fp) : "./hrtfs/elev0/L0e085a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e085a.dat right
+[ 18, 56 ] = ascii (fp) : "./hrtfs/elev0/L0e080a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e080a.dat right
+[ 18, 57 ] = ascii (fp) : "./hrtfs/elev0/L0e075a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e075a.dat right
+[ 18, 58 ] = ascii (fp) : "./hrtfs/elev0/L0e070a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e070a.dat right
+[ 18, 59 ] = ascii (fp) : "./hrtfs/elev0/L0e065a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e065a.dat right
+[ 18, 60 ] = ascii (fp) : "./hrtfs/elev0/L0e060a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e060a.dat right
+[ 18, 61 ] = ascii (fp) : "./hrtfs/elev0/L0e055a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e055a.dat right
+[ 18, 62 ] = ascii (fp) : "./hrtfs/elev0/L0e050a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e050a.dat right
+[ 18, 63 ] = ascii (fp) : "./hrtfs/elev0/L0e045a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e045a.dat right
+[ 18, 64 ] = ascii (fp) : "./hrtfs/elev0/L0e040a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e040a.dat right
+[ 18, 65 ] = ascii (fp) : "./hrtfs/elev0/L0e035a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e035a.dat right
+[ 18, 66 ] = ascii (fp) : "./hrtfs/elev0/L0e030a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e030a.dat right
+[ 18, 67 ] = ascii (fp) : "./hrtfs/elev0/L0e025a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e025a.dat right
+[ 18, 68 ] = ascii (fp) : "./hrtfs/elev0/L0e020a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e020a.dat right
+[ 18, 69 ] = ascii (fp) : "./hrtfs/elev0/L0e015a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e015a.dat right
+[ 18, 70 ] = ascii (fp) : "./hrtfs/elev0/L0e010a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e010a.dat right
+[ 18, 71 ] = ascii (fp) : "./hrtfs/elev0/L0e005a.dat left
+           + ascii (fp) : "./hrtfs/elev0/R0e005a.dat right
 
-[ 19,  0 ] = ascii (fp) : "./hrtfs/elev5/L5e000a.dat"
-[ 19,  1 ] = ascii (fp) : "./hrtfs/elev5/L5e355a.dat"
-[ 19,  2 ] = ascii (fp) : "./hrtfs/elev5/L5e350a.dat"
-[ 19,  3 ] = ascii (fp) : "./hrtfs/elev5/L5e345a.dat"
-[ 19,  4 ] = ascii (fp) : "./hrtfs/elev5/L5e340a.dat"
-[ 19,  5 ] = ascii (fp) : "./hrtfs/elev5/L5e335a.dat"
-[ 19,  6 ] = ascii (fp) : "./hrtfs/elev5/L5e330a.dat"
-[ 19,  7 ] = ascii (fp) : "./hrtfs/elev5/L5e325a.dat"
-[ 19,  8 ] = ascii (fp) : "./hrtfs/elev5/L5e320a.dat"
-[ 19,  9 ] = ascii (fp) : "./hrtfs/elev5/L5e315a.dat"
-[ 19, 10 ] = ascii (fp) : "./hrtfs/elev5/L5e310a.dat"
-[ 19, 11 ] = ascii (fp) : "./hrtfs/elev5/L5e305a.dat"
-[ 19, 12 ] = ascii (fp) : "./hrtfs/elev5/L5e300a.dat"
-[ 19, 13 ] = ascii (fp) : "./hrtfs/elev5/L5e295a.dat"
-[ 19, 14 ] = ascii (fp) : "./hrtfs/elev5/L5e290a.dat"
-[ 19, 15 ] = ascii (fp) : "./hrtfs/elev5/L5e285a.dat"
-[ 19, 16 ] = ascii (fp) : "./hrtfs/elev5/L5e280a.dat"
-[ 19, 17 ] = ascii (fp) : "./hrtfs/elev5/L5e275a.dat"
-[ 19, 18 ] = ascii (fp) : "./hrtfs/elev5/L5e270a.dat"
-[ 19, 19 ] = ascii (fp) : "./hrtfs/elev5/L5e265a.dat"
-[ 19, 20 ] = ascii (fp) : "./hrtfs/elev5/L5e260a.dat"
-[ 19, 21 ] = ascii (fp) : "./hrtfs/elev5/L5e255a.dat"
-[ 19, 22 ] = ascii (fp) : "./hrtfs/elev5/L5e250a.dat"
-[ 19, 23 ] = ascii (fp) : "./hrtfs/elev5/L5e245a.dat"
-[ 19, 24 ] = ascii (fp) : "./hrtfs/elev5/L5e240a.dat"
-[ 19, 25 ] = ascii (fp) : "./hrtfs/elev5/L5e235a.dat"
-[ 19, 26 ] = ascii (fp) : "./hrtfs/elev5/L5e230a.dat"
-[ 19, 27 ] = ascii (fp) : "./hrtfs/elev5/L5e225a.dat"
-[ 19, 28 ] = ascii (fp) : "./hrtfs/elev5/L5e220a.dat"
-[ 19, 29 ] = ascii (fp) : "./hrtfs/elev5/L5e215a.dat"
-[ 19, 30 ] = ascii (fp) : "./hrtfs/elev5/L5e210a.dat"
-[ 19, 31 ] = ascii (fp) : "./hrtfs/elev5/L5e205a.dat"
-[ 19, 32 ] = ascii (fp) : "./hrtfs/elev5/L5e200a.dat"
-[ 19, 33 ] = ascii (fp) : "./hrtfs/elev5/L5e195a.dat"
-[ 19, 34 ] = ascii (fp) : "./hrtfs/elev5/L5e190a.dat"
-[ 19, 35 ] = ascii (fp) : "./hrtfs/elev5/L5e185a.dat"
-[ 19, 36 ] = ascii (fp) : "./hrtfs/elev5/L5e180a.dat"
-[ 19, 37 ] = ascii (fp) : "./hrtfs/elev5/L5e175a.dat"
-[ 19, 38 ] = ascii (fp) : "./hrtfs/elev5/L5e170a.dat"
-[ 19, 39 ] = ascii (fp) : "./hrtfs/elev5/L5e165a.dat"
-[ 19, 40 ] = ascii (fp) : "./hrtfs/elev5/L5e160a.dat"
-[ 19, 41 ] = ascii (fp) : "./hrtfs/elev5/L5e155a.dat"
-[ 19, 42 ] = ascii (fp) : "./hrtfs/elev5/L5e150a.dat"
-[ 19, 43 ] = ascii (fp) : "./hrtfs/elev5/L5e145a.dat"
-[ 19, 44 ] = ascii (fp) : "./hrtfs/elev5/L5e140a.dat"
-[ 19, 45 ] = ascii (fp) : "./hrtfs/elev5/L5e135a.dat"
-[ 19, 46 ] = ascii (fp) : "./hrtfs/elev5/L5e130a.dat"
-[ 19, 47 ] = ascii (fp) : "./hrtfs/elev5/L5e125a.dat"
-[ 19, 48 ] = ascii (fp) : "./hrtfs/elev5/L5e120a.dat"
-[ 19, 49 ] = ascii (fp) : "./hrtfs/elev5/L5e115a.dat"
-[ 19, 50 ] = ascii (fp) : "./hrtfs/elev5/L5e110a.dat"
-[ 19, 51 ] = ascii (fp) : "./hrtfs/elev5/L5e105a.dat"
-[ 19, 52 ] = ascii (fp) : "./hrtfs/elev5/L5e100a.dat"
-[ 19, 53 ] = ascii (fp) : "./hrtfs/elev5/L5e095a.dat"
-[ 19, 54 ] = ascii (fp) : "./hrtfs/elev5/L5e090a.dat"
-[ 19, 55 ] = ascii (fp) : "./hrtfs/elev5/L5e085a.dat"
-[ 19, 56 ] = ascii (fp) : "./hrtfs/elev5/L5e080a.dat"
-[ 19, 57 ] = ascii (fp) : "./hrtfs/elev5/L5e075a.dat"
-[ 19, 58 ] = ascii (fp) : "./hrtfs/elev5/L5e070a.dat"
-[ 19, 59 ] = ascii (fp) : "./hrtfs/elev5/L5e065a.dat"
-[ 19, 60 ] = ascii (fp) : "./hrtfs/elev5/L5e060a.dat"
-[ 19, 61 ] = ascii (fp) : "./hrtfs/elev5/L5e055a.dat"
-[ 19, 62 ] = ascii (fp) : "./hrtfs/elev5/L5e050a.dat"
-[ 19, 63 ] = ascii (fp) : "./hrtfs/elev5/L5e045a.dat"
-[ 19, 64 ] = ascii (fp) : "./hrtfs/elev5/L5e040a.dat"
-[ 19, 65 ] = ascii (fp) : "./hrtfs/elev5/L5e035a.dat"
-[ 19, 66 ] = ascii (fp) : "./hrtfs/elev5/L5e030a.dat"
-[ 19, 67 ] = ascii (fp) : "./hrtfs/elev5/L5e025a.dat"
-[ 19, 68 ] = ascii (fp) : "./hrtfs/elev5/L5e020a.dat"
-[ 19, 69 ] = ascii (fp) : "./hrtfs/elev5/L5e015a.dat"
-[ 19, 70 ] = ascii (fp) : "./hrtfs/elev5/L5e010a.dat"
-[ 19, 71 ] = ascii (fp) : "./hrtfs/elev5/L5e005a.dat"
+[ 19,  0 ] = ascii (fp) : "./hrtfs/elev5/L5e000a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e000a.dat right
+[ 19,  1 ] = ascii (fp) : "./hrtfs/elev5/L5e355a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e355a.dat right
+[ 19,  2 ] = ascii (fp) : "./hrtfs/elev5/L5e350a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e350a.dat right
+[ 19,  3 ] = ascii (fp) : "./hrtfs/elev5/L5e345a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e345a.dat right
+[ 19,  4 ] = ascii (fp) : "./hrtfs/elev5/L5e340a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e340a.dat right
+[ 19,  5 ] = ascii (fp) : "./hrtfs/elev5/L5e335a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e335a.dat right
+[ 19,  6 ] = ascii (fp) : "./hrtfs/elev5/L5e330a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e330a.dat right
+[ 19,  7 ] = ascii (fp) : "./hrtfs/elev5/L5e325a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e325a.dat right
+[ 19,  8 ] = ascii (fp) : "./hrtfs/elev5/L5e320a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e320a.dat right
+[ 19,  9 ] = ascii (fp) : "./hrtfs/elev5/L5e315a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e315a.dat right
+[ 19, 10 ] = ascii (fp) : "./hrtfs/elev5/L5e310a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e310a.dat right
+[ 19, 11 ] = ascii (fp) : "./hrtfs/elev5/L5e305a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e305a.dat right
+[ 19, 12 ] = ascii (fp) : "./hrtfs/elev5/L5e300a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e300a.dat right
+[ 19, 13 ] = ascii (fp) : "./hrtfs/elev5/L5e295a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e295a.dat right
+[ 19, 14 ] = ascii (fp) : "./hrtfs/elev5/L5e290a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e290a.dat right
+[ 19, 15 ] = ascii (fp) : "./hrtfs/elev5/L5e285a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e285a.dat right
+[ 19, 16 ] = ascii (fp) : "./hrtfs/elev5/L5e280a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e280a.dat right
+[ 19, 17 ] = ascii (fp) : "./hrtfs/elev5/L5e275a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e275a.dat right
+[ 19, 18 ] = ascii (fp) : "./hrtfs/elev5/L5e270a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e270a.dat right
+[ 19, 19 ] = ascii (fp) : "./hrtfs/elev5/L5e265a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e265a.dat right
+[ 19, 20 ] = ascii (fp) : "./hrtfs/elev5/L5e260a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e260a.dat right
+[ 19, 21 ] = ascii (fp) : "./hrtfs/elev5/L5e255a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e255a.dat right
+[ 19, 22 ] = ascii (fp) : "./hrtfs/elev5/L5e250a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e250a.dat right
+[ 19, 23 ] = ascii (fp) : "./hrtfs/elev5/L5e245a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e245a.dat right
+[ 19, 24 ] = ascii (fp) : "./hrtfs/elev5/L5e240a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e240a.dat right
+[ 19, 25 ] = ascii (fp) : "./hrtfs/elev5/L5e235a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e235a.dat right
+[ 19, 26 ] = ascii (fp) : "./hrtfs/elev5/L5e230a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e230a.dat right
+[ 19, 27 ] = ascii (fp) : "./hrtfs/elev5/L5e225a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e225a.dat right
+[ 19, 28 ] = ascii (fp) : "./hrtfs/elev5/L5e220a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e220a.dat right
+[ 19, 29 ] = ascii (fp) : "./hrtfs/elev5/L5e215a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e215a.dat right
+[ 19, 30 ] = ascii (fp) : "./hrtfs/elev5/L5e210a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e210a.dat right
+[ 19, 31 ] = ascii (fp) : "./hrtfs/elev5/L5e205a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e205a.dat right
+[ 19, 32 ] = ascii (fp) : "./hrtfs/elev5/L5e200a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e200a.dat right
+[ 19, 33 ] = ascii (fp) : "./hrtfs/elev5/L5e195a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e195a.dat right
+[ 19, 34 ] = ascii (fp) : "./hrtfs/elev5/L5e190a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e190a.dat right
+[ 19, 35 ] = ascii (fp) : "./hrtfs/elev5/L5e185a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e185a.dat right
+[ 19, 36 ] = ascii (fp) : "./hrtfs/elev5/L5e180a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e180a.dat right
+[ 19, 37 ] = ascii (fp) : "./hrtfs/elev5/L5e175a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e175a.dat right
+[ 19, 38 ] = ascii (fp) : "./hrtfs/elev5/L5e170a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e170a.dat right
+[ 19, 39 ] = ascii (fp) : "./hrtfs/elev5/L5e165a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e165a.dat right
+[ 19, 40 ] = ascii (fp) : "./hrtfs/elev5/L5e160a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e160a.dat right
+[ 19, 41 ] = ascii (fp) : "./hrtfs/elev5/L5e155a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e155a.dat right
+[ 19, 42 ] = ascii (fp) : "./hrtfs/elev5/L5e150a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e150a.dat right
+[ 19, 43 ] = ascii (fp) : "./hrtfs/elev5/L5e145a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e145a.dat right
+[ 19, 44 ] = ascii (fp) : "./hrtfs/elev5/L5e140a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e140a.dat right
+[ 19, 45 ] = ascii (fp) : "./hrtfs/elev5/L5e135a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e135a.dat right
+[ 19, 46 ] = ascii (fp) : "./hrtfs/elev5/L5e130a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e130a.dat right
+[ 19, 47 ] = ascii (fp) : "./hrtfs/elev5/L5e125a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e125a.dat right
+[ 19, 48 ] = ascii (fp) : "./hrtfs/elev5/L5e120a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e120a.dat right
+[ 19, 49 ] = ascii (fp) : "./hrtfs/elev5/L5e115a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e115a.dat right
+[ 19, 50 ] = ascii (fp) : "./hrtfs/elev5/L5e110a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e110a.dat right
+[ 19, 51 ] = ascii (fp) : "./hrtfs/elev5/L5e105a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e105a.dat right
+[ 19, 52 ] = ascii (fp) : "./hrtfs/elev5/L5e100a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e100a.dat right
+[ 19, 53 ] = ascii (fp) : "./hrtfs/elev5/L5e095a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e095a.dat right
+[ 19, 54 ] = ascii (fp) : "./hrtfs/elev5/L5e090a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e090a.dat right
+[ 19, 55 ] = ascii (fp) : "./hrtfs/elev5/L5e085a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e085a.dat right
+[ 19, 56 ] = ascii (fp) : "./hrtfs/elev5/L5e080a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e080a.dat right
+[ 19, 57 ] = ascii (fp) : "./hrtfs/elev5/L5e075a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e075a.dat right
+[ 19, 58 ] = ascii (fp) : "./hrtfs/elev5/L5e070a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e070a.dat right
+[ 19, 59 ] = ascii (fp) : "./hrtfs/elev5/L5e065a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e065a.dat right
+[ 19, 60 ] = ascii (fp) : "./hrtfs/elev5/L5e060a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e060a.dat right
+[ 19, 61 ] = ascii (fp) : "./hrtfs/elev5/L5e055a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e055a.dat right
+[ 19, 62 ] = ascii (fp) : "./hrtfs/elev5/L5e050a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e050a.dat right
+[ 19, 63 ] = ascii (fp) : "./hrtfs/elev5/L5e045a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e045a.dat right
+[ 19, 64 ] = ascii (fp) : "./hrtfs/elev5/L5e040a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e040a.dat right
+[ 19, 65 ] = ascii (fp) : "./hrtfs/elev5/L5e035a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e035a.dat right
+[ 19, 66 ] = ascii (fp) : "./hrtfs/elev5/L5e030a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e030a.dat right
+[ 19, 67 ] = ascii (fp) : "./hrtfs/elev5/L5e025a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e025a.dat right
+[ 19, 68 ] = ascii (fp) : "./hrtfs/elev5/L5e020a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e020a.dat right
+[ 19, 69 ] = ascii (fp) : "./hrtfs/elev5/L5e015a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e015a.dat right
+[ 19, 70 ] = ascii (fp) : "./hrtfs/elev5/L5e010a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e010a.dat right
+[ 19, 71 ] = ascii (fp) : "./hrtfs/elev5/L5e005a.dat left
+           + ascii (fp) : "./hrtfs/elev5/R5e005a.dat right
 
-[ 20,  0 ] = ascii (fp) : "./hrtfs/elev10/L10e000a.dat"
-[ 20,  1 ] = ascii (fp) : "./hrtfs/elev10/L10e355a.dat"
-[ 20,  2 ] = ascii (fp) : "./hrtfs/elev10/L10e350a.dat"
-[ 20,  3 ] = ascii (fp) : "./hrtfs/elev10/L10e345a.dat"
-[ 20,  4 ] = ascii (fp) : "./hrtfs/elev10/L10e340a.dat"
-[ 20,  5 ] = ascii (fp) : "./hrtfs/elev10/L10e335a.dat"
-[ 20,  6 ] = ascii (fp) : "./hrtfs/elev10/L10e330a.dat"
-[ 20,  7 ] = ascii (fp) : "./hrtfs/elev10/L10e325a.dat"
-[ 20,  8 ] = ascii (fp) : "./hrtfs/elev10/L10e320a.dat"
-[ 20,  9 ] = ascii (fp) : "./hrtfs/elev10/L10e315a.dat"
-[ 20, 10 ] = ascii (fp) : "./hrtfs/elev10/L10e310a.dat"
-[ 20, 11 ] = ascii (fp) : "./hrtfs/elev10/L10e305a.dat"
-[ 20, 12 ] = ascii (fp) : "./hrtfs/elev10/L10e300a.dat"
-[ 20, 13 ] = ascii (fp) : "./hrtfs/elev10/L10e295a.dat"
-[ 20, 14 ] = ascii (fp) : "./hrtfs/elev10/L10e290a.dat"
-[ 20, 15 ] = ascii (fp) : "./hrtfs/elev10/L10e285a.dat"
-[ 20, 16 ] = ascii (fp) : "./hrtfs/elev10/L10e280a.dat"
-[ 20, 17 ] = ascii (fp) : "./hrtfs/elev10/L10e275a.dat"
-[ 20, 18 ] = ascii (fp) : "./hrtfs/elev10/L10e270a.dat"
-[ 20, 19 ] = ascii (fp) : "./hrtfs/elev10/L10e265a.dat"
-[ 20, 20 ] = ascii (fp) : "./hrtfs/elev10/L10e260a.dat"
-[ 20, 21 ] = ascii (fp) : "./hrtfs/elev10/L10e255a.dat"
-[ 20, 22 ] = ascii (fp) : "./hrtfs/elev10/L10e250a.dat"
-[ 20, 23 ] = ascii (fp) : "./hrtfs/elev10/L10e245a.dat"
-[ 20, 24 ] = ascii (fp) : "./hrtfs/elev10/L10e240a.dat"
-[ 20, 25 ] = ascii (fp) : "./hrtfs/elev10/L10e235a.dat"
-[ 20, 26 ] = ascii (fp) : "./hrtfs/elev10/L10e230a.dat"
-[ 20, 27 ] = ascii (fp) : "./hrtfs/elev10/L10e225a.dat"
-[ 20, 28 ] = ascii (fp) : "./hrtfs/elev10/L10e220a.dat"
-[ 20, 29 ] = ascii (fp) : "./hrtfs/elev10/L10e215a.dat"
-[ 20, 30 ] = ascii (fp) : "./hrtfs/elev10/L10e210a.dat"
-[ 20, 31 ] = ascii (fp) : "./hrtfs/elev10/L10e205a.dat"
-[ 20, 32 ] = ascii (fp) : "./hrtfs/elev10/L10e200a.dat"
-[ 20, 33 ] = ascii (fp) : "./hrtfs/elev10/L10e195a.dat"
-[ 20, 34 ] = ascii (fp) : "./hrtfs/elev10/L10e190a.dat"
-[ 20, 35 ] = ascii (fp) : "./hrtfs/elev10/L10e185a.dat"
-[ 20, 36 ] = ascii (fp) : "./hrtfs/elev10/L10e180a.dat"
-[ 20, 37 ] = ascii (fp) : "./hrtfs/elev10/L10e175a.dat"
-[ 20, 38 ] = ascii (fp) : "./hrtfs/elev10/L10e170a.dat"
-[ 20, 39 ] = ascii (fp) : "./hrtfs/elev10/L10e165a.dat"
-[ 20, 40 ] = ascii (fp) : "./hrtfs/elev10/L10e160a.dat"
-[ 20, 41 ] = ascii (fp) : "./hrtfs/elev10/L10e155a.dat"
-[ 20, 42 ] = ascii (fp) : "./hrtfs/elev10/L10e150a.dat"
-[ 20, 43 ] = ascii (fp) : "./hrtfs/elev10/L10e145a.dat"
-[ 20, 44 ] = ascii (fp) : "./hrtfs/elev10/L10e140a.dat"
-[ 20, 45 ] = ascii (fp) : "./hrtfs/elev10/L10e135a.dat"
-[ 20, 46 ] = ascii (fp) : "./hrtfs/elev10/L10e130a.dat"
-[ 20, 47 ] = ascii (fp) : "./hrtfs/elev10/L10e125a.dat"
-[ 20, 48 ] = ascii (fp) : "./hrtfs/elev10/L10e120a.dat"
-[ 20, 49 ] = ascii (fp) : "./hrtfs/elev10/L10e115a.dat"
-[ 20, 50 ] = ascii (fp) : "./hrtfs/elev10/L10e110a.dat"
-[ 20, 51 ] = ascii (fp) : "./hrtfs/elev10/L10e105a.dat"
-[ 20, 52 ] = ascii (fp) : "./hrtfs/elev10/L10e100a.dat"
-[ 20, 53 ] = ascii (fp) : "./hrtfs/elev10/L10e095a.dat"
-[ 20, 54 ] = ascii (fp) : "./hrtfs/elev10/L10e090a.dat"
-[ 20, 55 ] = ascii (fp) : "./hrtfs/elev10/L10e085a.dat"
-[ 20, 56 ] = ascii (fp) : "./hrtfs/elev10/L10e080a.dat"
-[ 20, 57 ] = ascii (fp) : "./hrtfs/elev10/L10e075a.dat"
-[ 20, 58 ] = ascii (fp) : "./hrtfs/elev10/L10e070a.dat"
-[ 20, 59 ] = ascii (fp) : "./hrtfs/elev10/L10e065a.dat"
-[ 20, 60 ] = ascii (fp) : "./hrtfs/elev10/L10e060a.dat"
-[ 20, 61 ] = ascii (fp) : "./hrtfs/elev10/L10e055a.dat"
-[ 20, 62 ] = ascii (fp) : "./hrtfs/elev10/L10e050a.dat"
-[ 20, 63 ] = ascii (fp) : "./hrtfs/elev10/L10e045a.dat"
-[ 20, 64 ] = ascii (fp) : "./hrtfs/elev10/L10e040a.dat"
-[ 20, 65 ] = ascii (fp) : "./hrtfs/elev10/L10e035a.dat"
-[ 20, 66 ] = ascii (fp) : "./hrtfs/elev10/L10e030a.dat"
-[ 20, 67 ] = ascii (fp) : "./hrtfs/elev10/L10e025a.dat"
-[ 20, 68 ] = ascii (fp) : "./hrtfs/elev10/L10e020a.dat"
-[ 20, 69 ] = ascii (fp) : "./hrtfs/elev10/L10e015a.dat"
-[ 20, 70 ] = ascii (fp) : "./hrtfs/elev10/L10e010a.dat"
-[ 20, 71 ] = ascii (fp) : "./hrtfs/elev10/L10e005a.dat"
+[ 20,  0 ] = ascii (fp) : "./hrtfs/elev10/L10e000a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e000a.dat right
+[ 20,  1 ] = ascii (fp) : "./hrtfs/elev10/L10e355a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e355a.dat right
+[ 20,  2 ] = ascii (fp) : "./hrtfs/elev10/L10e350a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e350a.dat right
+[ 20,  3 ] = ascii (fp) : "./hrtfs/elev10/L10e345a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e345a.dat right
+[ 20,  4 ] = ascii (fp) : "./hrtfs/elev10/L10e340a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e340a.dat right
+[ 20,  5 ] = ascii (fp) : "./hrtfs/elev10/L10e335a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e335a.dat right
+[ 20,  6 ] = ascii (fp) : "./hrtfs/elev10/L10e330a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e330a.dat right
+[ 20,  7 ] = ascii (fp) : "./hrtfs/elev10/L10e325a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e325a.dat right
+[ 20,  8 ] = ascii (fp) : "./hrtfs/elev10/L10e320a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e320a.dat right
+[ 20,  9 ] = ascii (fp) : "./hrtfs/elev10/L10e315a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e315a.dat right
+[ 20, 10 ] = ascii (fp) : "./hrtfs/elev10/L10e310a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e310a.dat right
+[ 20, 11 ] = ascii (fp) : "./hrtfs/elev10/L10e305a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e305a.dat right
+[ 20, 12 ] = ascii (fp) : "./hrtfs/elev10/L10e300a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e300a.dat right
+[ 20, 13 ] = ascii (fp) : "./hrtfs/elev10/L10e295a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e295a.dat right
+[ 20, 14 ] = ascii (fp) : "./hrtfs/elev10/L10e290a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e290a.dat right
+[ 20, 15 ] = ascii (fp) : "./hrtfs/elev10/L10e285a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e285a.dat right
+[ 20, 16 ] = ascii (fp) : "./hrtfs/elev10/L10e280a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e280a.dat right
+[ 20, 17 ] = ascii (fp) : "./hrtfs/elev10/L10e275a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e275a.dat right
+[ 20, 18 ] = ascii (fp) : "./hrtfs/elev10/L10e270a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e270a.dat right
+[ 20, 19 ] = ascii (fp) : "./hrtfs/elev10/L10e265a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e265a.dat right
+[ 20, 20 ] = ascii (fp) : "./hrtfs/elev10/L10e260a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e260a.dat right
+[ 20, 21 ] = ascii (fp) : "./hrtfs/elev10/L10e255a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e255a.dat right
+[ 20, 22 ] = ascii (fp) : "./hrtfs/elev10/L10e250a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e250a.dat right
+[ 20, 23 ] = ascii (fp) : "./hrtfs/elev10/L10e245a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e245a.dat right
+[ 20, 24 ] = ascii (fp) : "./hrtfs/elev10/L10e240a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e240a.dat right
+[ 20, 25 ] = ascii (fp) : "./hrtfs/elev10/L10e235a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e235a.dat right
+[ 20, 26 ] = ascii (fp) : "./hrtfs/elev10/L10e230a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e230a.dat right
+[ 20, 27 ] = ascii (fp) : "./hrtfs/elev10/L10e225a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e225a.dat right
+[ 20, 28 ] = ascii (fp) : "./hrtfs/elev10/L10e220a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e220a.dat right
+[ 20, 29 ] = ascii (fp) : "./hrtfs/elev10/L10e215a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e215a.dat right
+[ 20, 30 ] = ascii (fp) : "./hrtfs/elev10/L10e210a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e210a.dat right
+[ 20, 31 ] = ascii (fp) : "./hrtfs/elev10/L10e205a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e205a.dat right
+[ 20, 32 ] = ascii (fp) : "./hrtfs/elev10/L10e200a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e200a.dat right
+[ 20, 33 ] = ascii (fp) : "./hrtfs/elev10/L10e195a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e195a.dat right
+[ 20, 34 ] = ascii (fp) : "./hrtfs/elev10/L10e190a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e190a.dat right
+[ 20, 35 ] = ascii (fp) : "./hrtfs/elev10/L10e185a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e185a.dat right
+[ 20, 36 ] = ascii (fp) : "./hrtfs/elev10/L10e180a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e180a.dat right
+[ 20, 37 ] = ascii (fp) : "./hrtfs/elev10/L10e175a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e175a.dat right
+[ 20, 38 ] = ascii (fp) : "./hrtfs/elev10/L10e170a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e170a.dat right
+[ 20, 39 ] = ascii (fp) : "./hrtfs/elev10/L10e165a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e165a.dat right
+[ 20, 40 ] = ascii (fp) : "./hrtfs/elev10/L10e160a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e160a.dat right
+[ 20, 41 ] = ascii (fp) : "./hrtfs/elev10/L10e155a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e155a.dat right
+[ 20, 42 ] = ascii (fp) : "./hrtfs/elev10/L10e150a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e150a.dat right
+[ 20, 43 ] = ascii (fp) : "./hrtfs/elev10/L10e145a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e145a.dat right
+[ 20, 44 ] = ascii (fp) : "./hrtfs/elev10/L10e140a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e140a.dat right
+[ 20, 45 ] = ascii (fp) : "./hrtfs/elev10/L10e135a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e135a.dat right
+[ 20, 46 ] = ascii (fp) : "./hrtfs/elev10/L10e130a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e130a.dat right
+[ 20, 47 ] = ascii (fp) : "./hrtfs/elev10/L10e125a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e125a.dat right
+[ 20, 48 ] = ascii (fp) : "./hrtfs/elev10/L10e120a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e120a.dat right
+[ 20, 49 ] = ascii (fp) : "./hrtfs/elev10/L10e115a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e115a.dat right
+[ 20, 50 ] = ascii (fp) : "./hrtfs/elev10/L10e110a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e110a.dat right
+[ 20, 51 ] = ascii (fp) : "./hrtfs/elev10/L10e105a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e105a.dat right
+[ 20, 52 ] = ascii (fp) : "./hrtfs/elev10/L10e100a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e100a.dat right
+[ 20, 53 ] = ascii (fp) : "./hrtfs/elev10/L10e095a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e095a.dat right
+[ 20, 54 ] = ascii (fp) : "./hrtfs/elev10/L10e090a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e090a.dat right
+[ 20, 55 ] = ascii (fp) : "./hrtfs/elev10/L10e085a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e085a.dat right
+[ 20, 56 ] = ascii (fp) : "./hrtfs/elev10/L10e080a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e080a.dat right
+[ 20, 57 ] = ascii (fp) : "./hrtfs/elev10/L10e075a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e075a.dat right
+[ 20, 58 ] = ascii (fp) : "./hrtfs/elev10/L10e070a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e070a.dat right
+[ 20, 59 ] = ascii (fp) : "./hrtfs/elev10/L10e065a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e065a.dat right
+[ 20, 60 ] = ascii (fp) : "./hrtfs/elev10/L10e060a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e060a.dat right
+[ 20, 61 ] = ascii (fp) : "./hrtfs/elev10/L10e055a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e055a.dat right
+[ 20, 62 ] = ascii (fp) : "./hrtfs/elev10/L10e050a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e050a.dat right
+[ 20, 63 ] = ascii (fp) : "./hrtfs/elev10/L10e045a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e045a.dat right
+[ 20, 64 ] = ascii (fp) : "./hrtfs/elev10/L10e040a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e040a.dat right
+[ 20, 65 ] = ascii (fp) : "./hrtfs/elev10/L10e035a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e035a.dat right
+[ 20, 66 ] = ascii (fp) : "./hrtfs/elev10/L10e030a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e030a.dat right
+[ 20, 67 ] = ascii (fp) : "./hrtfs/elev10/L10e025a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e025a.dat right
+[ 20, 68 ] = ascii (fp) : "./hrtfs/elev10/L10e020a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e020a.dat right
+[ 20, 69 ] = ascii (fp) : "./hrtfs/elev10/L10e015a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e015a.dat right
+[ 20, 70 ] = ascii (fp) : "./hrtfs/elev10/L10e010a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e010a.dat right
+[ 20, 71 ] = ascii (fp) : "./hrtfs/elev10/L10e005a.dat left
+           + ascii (fp) : "./hrtfs/elev10/R10e005a.dat right
 
-[ 21,  0 ] = ascii (fp) : "./hrtfs/elev15/L15e000a.dat"
-[ 21,  1 ] = ascii (fp) : "./hrtfs/elev15/L15e355a.dat"
-[ 21,  2 ] = ascii (fp) : "./hrtfs/elev15/L15e350a.dat"
-[ 21,  3 ] = ascii (fp) : "./hrtfs/elev15/L15e345a.dat"
-[ 21,  4 ] = ascii (fp) : "./hrtfs/elev15/L15e340a.dat"
-[ 21,  5 ] = ascii (fp) : "./hrtfs/elev15/L15e335a.dat"
-[ 21,  6 ] = ascii (fp) : "./hrtfs/elev15/L15e330a.dat"
-[ 21,  7 ] = ascii (fp) : "./hrtfs/elev15/L15e325a.dat"
-[ 21,  8 ] = ascii (fp) : "./hrtfs/elev15/L15e320a.dat"
-[ 21,  9 ] = ascii (fp) : "./hrtfs/elev15/L15e315a.dat"
-[ 21, 10 ] = ascii (fp) : "./hrtfs/elev15/L15e310a.dat"
-[ 21, 11 ] = ascii (fp) : "./hrtfs/elev15/L15e305a.dat"
-[ 21, 12 ] = ascii (fp) : "./hrtfs/elev15/L15e300a.dat"
-[ 21, 13 ] = ascii (fp) : "./hrtfs/elev15/L15e295a.dat"
-[ 21, 14 ] = ascii (fp) : "./hrtfs/elev15/L15e290a.dat"
-[ 21, 15 ] = ascii (fp) : "./hrtfs/elev15/L15e285a.dat"
-[ 21, 16 ] = ascii (fp) : "./hrtfs/elev15/L15e280a.dat"
-[ 21, 17 ] = ascii (fp) : "./hrtfs/elev15/L15e275a.dat"
-[ 21, 18 ] = ascii (fp) : "./hrtfs/elev15/L15e270a.dat"
-[ 21, 19 ] = ascii (fp) : "./hrtfs/elev15/L15e265a.dat"
-[ 21, 20 ] = ascii (fp) : "./hrtfs/elev15/L15e260a.dat"
-[ 21, 21 ] = ascii (fp) : "./hrtfs/elev15/L15e255a.dat"
-[ 21, 22 ] = ascii (fp) : "./hrtfs/elev15/L15e250a.dat"
-[ 21, 23 ] = ascii (fp) : "./hrtfs/elev15/L15e245a.dat"
-[ 21, 24 ] = ascii (fp) : "./hrtfs/elev15/L15e240a.dat"
-[ 21, 25 ] = ascii (fp) : "./hrtfs/elev15/L15e235a.dat"
-[ 21, 26 ] = ascii (fp) : "./hrtfs/elev15/L15e230a.dat"
-[ 21, 27 ] = ascii (fp) : "./hrtfs/elev15/L15e225a.dat"
-[ 21, 28 ] = ascii (fp) : "./hrtfs/elev15/L15e220a.dat"
-[ 21, 29 ] = ascii (fp) : "./hrtfs/elev15/L15e215a.dat"
-[ 21, 30 ] = ascii (fp) : "./hrtfs/elev15/L15e210a.dat"
-[ 21, 31 ] = ascii (fp) : "./hrtfs/elev15/L15e205a.dat"
-[ 21, 32 ] = ascii (fp) : "./hrtfs/elev15/L15e200a.dat"
-[ 21, 33 ] = ascii (fp) : "./hrtfs/elev15/L15e195a.dat"
-[ 21, 34 ] = ascii (fp) : "./hrtfs/elev15/L15e190a.dat"
-[ 21, 35 ] = ascii (fp) : "./hrtfs/elev15/L15e185a.dat"
-[ 21, 36 ] = ascii (fp) : "./hrtfs/elev15/L15e180a.dat"
-[ 21, 37 ] = ascii (fp) : "./hrtfs/elev15/L15e175a.dat"
-[ 21, 38 ] = ascii (fp) : "./hrtfs/elev15/L15e170a.dat"
-[ 21, 39 ] = ascii (fp) : "./hrtfs/elev15/L15e165a.dat"
-[ 21, 40 ] = ascii (fp) : "./hrtfs/elev15/L15e160a.dat"
-[ 21, 41 ] = ascii (fp) : "./hrtfs/elev15/L15e155a.dat"
-[ 21, 42 ] = ascii (fp) : "./hrtfs/elev15/L15e150a.dat"
-[ 21, 43 ] = ascii (fp) : "./hrtfs/elev15/L15e145a.dat"
-[ 21, 44 ] = ascii (fp) : "./hrtfs/elev15/L15e140a.dat"
-[ 21, 45 ] = ascii (fp) : "./hrtfs/elev15/L15e135a.dat"
-[ 21, 46 ] = ascii (fp) : "./hrtfs/elev15/L15e130a.dat"
-[ 21, 47 ] = ascii (fp) : "./hrtfs/elev15/L15e125a.dat"
-[ 21, 48 ] = ascii (fp) : "./hrtfs/elev15/L15e120a.dat"
-[ 21, 49 ] = ascii (fp) : "./hrtfs/elev15/L15e115a.dat"
-[ 21, 50 ] = ascii (fp) : "./hrtfs/elev15/L15e110a.dat"
-[ 21, 51 ] = ascii (fp) : "./hrtfs/elev15/L15e105a.dat"
-[ 21, 52 ] = ascii (fp) : "./hrtfs/elev15/L15e100a.dat"
-[ 21, 53 ] = ascii (fp) : "./hrtfs/elev15/L15e095a.dat"
-[ 21, 54 ] = ascii (fp) : "./hrtfs/elev15/L15e090a.dat"
-[ 21, 55 ] = ascii (fp) : "./hrtfs/elev15/L15e085a.dat"
-[ 21, 56 ] = ascii (fp) : "./hrtfs/elev15/L15e080a.dat"
-[ 21, 57 ] = ascii (fp) : "./hrtfs/elev15/L15e075a.dat"
-[ 21, 58 ] = ascii (fp) : "./hrtfs/elev15/L15e070a.dat"
-[ 21, 59 ] = ascii (fp) : "./hrtfs/elev15/L15e065a.dat"
-[ 21, 60 ] = ascii (fp) : "./hrtfs/elev15/L15e060a.dat"
-[ 21, 61 ] = ascii (fp) : "./hrtfs/elev15/L15e055a.dat"
-[ 21, 62 ] = ascii (fp) : "./hrtfs/elev15/L15e050a.dat"
-[ 21, 63 ] = ascii (fp) : "./hrtfs/elev15/L15e045a.dat"
-[ 21, 64 ] = ascii (fp) : "./hrtfs/elev15/L15e040a.dat"
-[ 21, 65 ] = ascii (fp) : "./hrtfs/elev15/L15e035a.dat"
-[ 21, 66 ] = ascii (fp) : "./hrtfs/elev15/L15e030a.dat"
-[ 21, 67 ] = ascii (fp) : "./hrtfs/elev15/L15e025a.dat"
-[ 21, 68 ] = ascii (fp) : "./hrtfs/elev15/L15e020a.dat"
-[ 21, 69 ] = ascii (fp) : "./hrtfs/elev15/L15e015a.dat"
-[ 21, 70 ] = ascii (fp) : "./hrtfs/elev15/L15e010a.dat"
-[ 21, 71 ] = ascii (fp) : "./hrtfs/elev15/L15e005a.dat"
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+           + ascii (fp) : "./hrtfs/elev15/R15e000a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e355a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e350a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e345a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e325a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e320a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e315a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e310a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e305a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e295a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e290a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e285a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e280a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e275a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e270a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e265a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e260a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e255a.dat right
+[ 21, 22 ] = ascii (fp) : "./hrtfs/elev15/L15e250a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e250a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e245a.dat right
+[ 21, 24 ] = ascii (fp) : "./hrtfs/elev15/L15e240a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e240a.dat right
+[ 21, 25 ] = ascii (fp) : "./hrtfs/elev15/L15e235a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e235a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e230a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e225a.dat right
+[ 21, 28 ] = ascii (fp) : "./hrtfs/elev15/L15e220a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e220a.dat right
+[ 21, 29 ] = ascii (fp) : "./hrtfs/elev15/L15e215a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e215a.dat right
+[ 21, 30 ] = ascii (fp) : "./hrtfs/elev15/L15e210a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e210a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e205a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e200a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e195a.dat right
+[ 21, 34 ] = ascii (fp) : "./hrtfs/elev15/L15e190a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e190a.dat right
+[ 21, 35 ] = ascii (fp) : "./hrtfs/elev15/L15e185a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e185a.dat right
+[ 21, 36 ] = ascii (fp) : "./hrtfs/elev15/L15e180a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e180a.dat right
+[ 21, 37 ] = ascii (fp) : "./hrtfs/elev15/L15e175a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e175a.dat right
+[ 21, 38 ] = ascii (fp) : "./hrtfs/elev15/L15e170a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e170a.dat right
+[ 21, 39 ] = ascii (fp) : "./hrtfs/elev15/L15e165a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e165a.dat right
+[ 21, 40 ] = ascii (fp) : "./hrtfs/elev15/L15e160a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e160a.dat right
+[ 21, 41 ] = ascii (fp) : "./hrtfs/elev15/L15e155a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e155a.dat right
+[ 21, 42 ] = ascii (fp) : "./hrtfs/elev15/L15e150a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e150a.dat right
+[ 21, 43 ] = ascii (fp) : "./hrtfs/elev15/L15e145a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e145a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e140a.dat right
+[ 21, 45 ] = ascii (fp) : "./hrtfs/elev15/L15e135a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e135a.dat right
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+           + ascii (fp) : "./hrtfs/elev15/R15e130a.dat right
+[ 21, 47 ] = ascii (fp) : "./hrtfs/elev15/L15e125a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e125a.dat right
+[ 21, 48 ] = ascii (fp) : "./hrtfs/elev15/L15e120a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e120a.dat right
+[ 21, 49 ] = ascii (fp) : "./hrtfs/elev15/L15e115a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e115a.dat right
+[ 21, 50 ] = ascii (fp) : "./hrtfs/elev15/L15e110a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e110a.dat right
+[ 21, 51 ] = ascii (fp) : "./hrtfs/elev15/L15e105a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e105a.dat right
+[ 21, 52 ] = ascii (fp) : "./hrtfs/elev15/L15e100a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e100a.dat right
+[ 21, 53 ] = ascii (fp) : "./hrtfs/elev15/L15e095a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e095a.dat right
+[ 21, 54 ] = ascii (fp) : "./hrtfs/elev15/L15e090a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e090a.dat right
+[ 21, 55 ] = ascii (fp) : "./hrtfs/elev15/L15e085a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e085a.dat right
+[ 21, 56 ] = ascii (fp) : "./hrtfs/elev15/L15e080a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e080a.dat right
+[ 21, 57 ] = ascii (fp) : "./hrtfs/elev15/L15e075a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e075a.dat right
+[ 21, 58 ] = ascii (fp) : "./hrtfs/elev15/L15e070a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e070a.dat right
+[ 21, 59 ] = ascii (fp) : "./hrtfs/elev15/L15e065a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e065a.dat right
+[ 21, 60 ] = ascii (fp) : "./hrtfs/elev15/L15e060a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e060a.dat right
+[ 21, 61 ] = ascii (fp) : "./hrtfs/elev15/L15e055a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e055a.dat right
+[ 21, 62 ] = ascii (fp) : "./hrtfs/elev15/L15e050a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e050a.dat right
+[ 21, 63 ] = ascii (fp) : "./hrtfs/elev15/L15e045a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e045a.dat right
+[ 21, 64 ] = ascii (fp) : "./hrtfs/elev15/L15e040a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e040a.dat right
+[ 21, 65 ] = ascii (fp) : "./hrtfs/elev15/L15e035a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e035a.dat right
+[ 21, 66 ] = ascii (fp) : "./hrtfs/elev15/L15e030a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e030a.dat right
+[ 21, 67 ] = ascii (fp) : "./hrtfs/elev15/L15e025a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e025a.dat right
+[ 21, 68 ] = ascii (fp) : "./hrtfs/elev15/L15e020a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e020a.dat right
+[ 21, 69 ] = ascii (fp) : "./hrtfs/elev15/L15e015a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e015a.dat right
+[ 21, 70 ] = ascii (fp) : "./hrtfs/elev15/L15e010a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e010a.dat right
+[ 21, 71 ] = ascii (fp) : "./hrtfs/elev15/L15e005a.dat left
+           + ascii (fp) : "./hrtfs/elev15/R15e005a.dat right
 
-[ 22,  0 ] = ascii (fp) : "./hrtfs/elev20/L20e000a.dat"
-[ 22,  1 ] = ascii (fp) : "./hrtfs/elev20/L20e355a.dat"
-[ 22,  2 ] = ascii (fp) : "./hrtfs/elev20/L20e350a.dat"
-[ 22,  3 ] = ascii (fp) : "./hrtfs/elev20/L20e345a.dat"
-[ 22,  4 ] = ascii (fp) : "./hrtfs/elev20/L20e340a.dat"
-[ 22,  5 ] = ascii (fp) : "./hrtfs/elev20/L20e335a.dat"
-[ 22,  6 ] = ascii (fp) : "./hrtfs/elev20/L20e330a.dat"
-[ 22,  7 ] = ascii (fp) : "./hrtfs/elev20/L20e325a.dat"
-[ 22,  8 ] = ascii (fp) : "./hrtfs/elev20/L20e320a.dat"
-[ 22,  9 ] = ascii (fp) : "./hrtfs/elev20/L20e315a.dat"
-[ 22, 10 ] = ascii (fp) : "./hrtfs/elev20/L20e310a.dat"
-[ 22, 11 ] = ascii (fp) : "./hrtfs/elev20/L20e305a.dat"
-[ 22, 12 ] = ascii (fp) : "./hrtfs/elev20/L20e300a.dat"
-[ 22, 13 ] = ascii (fp) : "./hrtfs/elev20/L20e295a.dat"
-[ 22, 14 ] = ascii (fp) : "./hrtfs/elev20/L20e290a.dat"
-[ 22, 15 ] = ascii (fp) : "./hrtfs/elev20/L20e285a.dat"
-[ 22, 16 ] = ascii (fp) : "./hrtfs/elev20/L20e280a.dat"
-[ 22, 17 ] = ascii (fp) : "./hrtfs/elev20/L20e275a.dat"
-[ 22, 18 ] = ascii (fp) : "./hrtfs/elev20/L20e270a.dat"
-[ 22, 19 ] = ascii (fp) : "./hrtfs/elev20/L20e265a.dat"
-[ 22, 20 ] = ascii (fp) : "./hrtfs/elev20/L20e260a.dat"
-[ 22, 21 ] = ascii (fp) : "./hrtfs/elev20/L20e255a.dat"
-[ 22, 22 ] = ascii (fp) : "./hrtfs/elev20/L20e250a.dat"
-[ 22, 23 ] = ascii (fp) : "./hrtfs/elev20/L20e245a.dat"
-[ 22, 24 ] = ascii (fp) : "./hrtfs/elev20/L20e240a.dat"
-[ 22, 25 ] = ascii (fp) : "./hrtfs/elev20/L20e235a.dat"
-[ 22, 26 ] = ascii (fp) : "./hrtfs/elev20/L20e230a.dat"
-[ 22, 27 ] = ascii (fp) : "./hrtfs/elev20/L20e225a.dat"
-[ 22, 28 ] = ascii (fp) : "./hrtfs/elev20/L20e220a.dat"
-[ 22, 29 ] = ascii (fp) : "./hrtfs/elev20/L20e215a.dat"
-[ 22, 30 ] = ascii (fp) : "./hrtfs/elev20/L20e210a.dat"
-[ 22, 31 ] = ascii (fp) : "./hrtfs/elev20/L20e205a.dat"
-[ 22, 32 ] = ascii (fp) : "./hrtfs/elev20/L20e200a.dat"
-[ 22, 33 ] = ascii (fp) : "./hrtfs/elev20/L20e195a.dat"
-[ 22, 34 ] = ascii (fp) : "./hrtfs/elev20/L20e190a.dat"
-[ 22, 35 ] = ascii (fp) : "./hrtfs/elev20/L20e185a.dat"
-[ 22, 36 ] = ascii (fp) : "./hrtfs/elev20/L20e180a.dat"
-[ 22, 37 ] = ascii (fp) : "./hrtfs/elev20/L20e175a.dat"
-[ 22, 38 ] = ascii (fp) : "./hrtfs/elev20/L20e170a.dat"
-[ 22, 39 ] = ascii (fp) : "./hrtfs/elev20/L20e165a.dat"
-[ 22, 40 ] = ascii (fp) : "./hrtfs/elev20/L20e160a.dat"
-[ 22, 41 ] = ascii (fp) : "./hrtfs/elev20/L20e155a.dat"
-[ 22, 42 ] = ascii (fp) : "./hrtfs/elev20/L20e150a.dat"
-[ 22, 43 ] = ascii (fp) : "./hrtfs/elev20/L20e145a.dat"
-[ 22, 44 ] = ascii (fp) : "./hrtfs/elev20/L20e140a.dat"
-[ 22, 45 ] = ascii (fp) : "./hrtfs/elev20/L20e135a.dat"
-[ 22, 46 ] = ascii (fp) : "./hrtfs/elev20/L20e130a.dat"
-[ 22, 47 ] = ascii (fp) : "./hrtfs/elev20/L20e125a.dat"
-[ 22, 48 ] = ascii (fp) : "./hrtfs/elev20/L20e120a.dat"
-[ 22, 49 ] = ascii (fp) : "./hrtfs/elev20/L20e115a.dat"
-[ 22, 50 ] = ascii (fp) : "./hrtfs/elev20/L20e110a.dat"
-[ 22, 51 ] = ascii (fp) : "./hrtfs/elev20/L20e105a.dat"
-[ 22, 52 ] = ascii (fp) : "./hrtfs/elev20/L20e100a.dat"
-[ 22, 53 ] = ascii (fp) : "./hrtfs/elev20/L20e095a.dat"
-[ 22, 54 ] = ascii (fp) : "./hrtfs/elev20/L20e090a.dat"
-[ 22, 55 ] = ascii (fp) : "./hrtfs/elev20/L20e085a.dat"
-[ 22, 56 ] = ascii (fp) : "./hrtfs/elev20/L20e080a.dat"
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+[ 25, 69 ] = ascii (fp) : "./hrtfs/elev35/L35e015a.dat left
+           + ascii (fp) : "./hrtfs/elev35/R35e015a.dat right
+[ 25, 70 ] = ascii (fp) : "./hrtfs/elev35/L35e010a.dat left
+           + ascii (fp) : "./hrtfs/elev35/R35e010a.dat right
+[ 25, 71 ] = ascii (fp) : "./hrtfs/elev35/L35e005a.dat left
+           + ascii (fp) : "./hrtfs/elev35/R35e005a.dat right
 
-[ 26,  0 ] = ascii (fp) : "./hrtfs/elev40/L40e000a.dat"
-[ 26,  1 ] = ascii (fp) : "./hrtfs/elev40/L40e355a.dat"
-[ 26,  2 ] = ascii (fp) : "./hrtfs/elev40/L40e350a.dat"
-[ 26,  3 ] = ascii (fp) : "./hrtfs/elev40/L40e345a.dat"
-[ 26,  4 ] = ascii (fp) : "./hrtfs/elev40/L40e340a.dat"
-[ 26,  5 ] = ascii (fp) : "./hrtfs/elev40/L40e335a.dat"
-[ 26,  6 ] = ascii (fp) : "./hrtfs/elev40/L40e330a.dat"
-[ 26,  7 ] = ascii (fp) : "./hrtfs/elev40/L40e325a.dat"
-[ 26,  8 ] = ascii (fp) : "./hrtfs/elev40/L40e320a.dat"
-[ 26,  9 ] = ascii (fp) : "./hrtfs/elev40/L40e315a.dat"
-[ 26, 10 ] = ascii (fp) : "./hrtfs/elev40/L40e310a.dat"
-[ 26, 11 ] = ascii (fp) : "./hrtfs/elev40/L40e305a.dat"
-[ 26, 12 ] = ascii (fp) : "./hrtfs/elev40/L40e300a.dat"
-[ 26, 13 ] = ascii (fp) : "./hrtfs/elev40/L40e295a.dat"
-[ 26, 14 ] = ascii (fp) : "./hrtfs/elev40/L40e290a.dat"
-[ 26, 15 ] = ascii (fp) : "./hrtfs/elev40/L40e285a.dat"
-[ 26, 16 ] = ascii (fp) : "./hrtfs/elev40/L40e280a.dat"
-[ 26, 17 ] = ascii (fp) : "./hrtfs/elev40/L40e275a.dat"
-[ 26, 18 ] = ascii (fp) : "./hrtfs/elev40/L40e270a.dat"
-[ 26, 19 ] = ascii (fp) : "./hrtfs/elev40/L40e265a.dat"
-[ 26, 20 ] = ascii (fp) : "./hrtfs/elev40/L40e260a.dat"
-[ 26, 21 ] = ascii (fp) : "./hrtfs/elev40/L40e255a.dat"
-[ 26, 22 ] = ascii (fp) : "./hrtfs/elev40/L40e250a.dat"
-[ 26, 23 ] = ascii (fp) : "./hrtfs/elev40/L40e245a.dat"
-[ 26, 24 ] = ascii (fp) : "./hrtfs/elev40/L40e240a.dat"
-[ 26, 25 ] = ascii (fp) : "./hrtfs/elev40/L40e235a.dat"
-[ 26, 26 ] = ascii (fp) : "./hrtfs/elev40/L40e230a.dat"
-[ 26, 27 ] = ascii (fp) : "./hrtfs/elev40/L40e225a.dat"
-[ 26, 28 ] = ascii (fp) : "./hrtfs/elev40/L40e220a.dat"
-[ 26, 29 ] = ascii (fp) : "./hrtfs/elev40/L40e215a.dat"
-[ 26, 30 ] = ascii (fp) : "./hrtfs/elev40/L40e210a.dat"
-[ 26, 31 ] = ascii (fp) : "./hrtfs/elev40/L40e205a.dat"
-[ 26, 32 ] = ascii (fp) : "./hrtfs/elev40/L40e200a.dat"
-[ 26, 33 ] = ascii (fp) : "./hrtfs/elev40/L40e195a.dat"
-[ 26, 34 ] = ascii (fp) : "./hrtfs/elev40/L40e190a.dat"
-[ 26, 35 ] = ascii (fp) : "./hrtfs/elev40/L40e185a.dat"
-[ 26, 36 ] = ascii (fp) : "./hrtfs/elev40/L40e180a.dat"
-[ 26, 37 ] = ascii (fp) : "./hrtfs/elev40/L40e175a.dat"
-[ 26, 38 ] = ascii (fp) : "./hrtfs/elev40/L40e170a.dat"
-[ 26, 39 ] = ascii (fp) : "./hrtfs/elev40/L40e165a.dat"
-[ 26, 40 ] = ascii (fp) : "./hrtfs/elev40/L40e160a.dat"
-[ 26, 41 ] = ascii (fp) : "./hrtfs/elev40/L40e155a.dat"
-[ 26, 42 ] = ascii (fp) : "./hrtfs/elev40/L40e150a.dat"
-[ 26, 43 ] = ascii (fp) : "./hrtfs/elev40/L40e145a.dat"
-[ 26, 44 ] = ascii (fp) : "./hrtfs/elev40/L40e140a.dat"
-[ 26, 45 ] = ascii (fp) : "./hrtfs/elev40/L40e135a.dat"
-[ 26, 46 ] = ascii (fp) : "./hrtfs/elev40/L40e130a.dat"
-[ 26, 47 ] = ascii (fp) : "./hrtfs/elev40/L40e125a.dat"
-[ 26, 48 ] = ascii (fp) : "./hrtfs/elev40/L40e120a.dat"
-[ 26, 49 ] = ascii (fp) : "./hrtfs/elev40/L40e115a.dat"
-[ 26, 50 ] = ascii (fp) : "./hrtfs/elev40/L40e110a.dat"
-[ 26, 51 ] = ascii (fp) : "./hrtfs/elev40/L40e105a.dat"
-[ 26, 52 ] = ascii (fp) : "./hrtfs/elev40/L40e100a.dat"
-[ 26, 53 ] = ascii (fp) : "./hrtfs/elev40/L40e095a.dat"
-[ 26, 54 ] = ascii (fp) : "./hrtfs/elev40/L40e090a.dat"
-[ 26, 55 ] = ascii (fp) : "./hrtfs/elev40/L40e085a.dat"
-[ 26, 56 ] = ascii (fp) : "./hrtfs/elev40/L40e080a.dat"
-[ 26, 57 ] = ascii (fp) : "./hrtfs/elev40/L40e075a.dat"
-[ 26, 58 ] = ascii (fp) : "./hrtfs/elev40/L40e070a.dat"
-[ 26, 59 ] = ascii (fp) : "./hrtfs/elev40/L40e065a.dat"
-[ 26, 60 ] = ascii (fp) : "./hrtfs/elev40/L40e060a.dat"
-[ 26, 61 ] = ascii (fp) : "./hrtfs/elev40/L40e055a.dat"
-[ 26, 62 ] = ascii (fp) : "./hrtfs/elev40/L40e050a.dat"
-[ 26, 63 ] = ascii (fp) : "./hrtfs/elev40/L40e045a.dat"
-[ 26, 64 ] = ascii (fp) : "./hrtfs/elev40/L40e040a.dat"
-[ 26, 65 ] = ascii (fp) : "./hrtfs/elev40/L40e035a.dat"
-[ 26, 66 ] = ascii (fp) : "./hrtfs/elev40/L40e030a.dat"
-[ 26, 67 ] = ascii (fp) : "./hrtfs/elev40/L40e025a.dat"
-[ 26, 68 ] = ascii (fp) : "./hrtfs/elev40/L40e020a.dat"
-[ 26, 69 ] = ascii (fp) : "./hrtfs/elev40/L40e015a.dat"
-[ 26, 70 ] = ascii (fp) : "./hrtfs/elev40/L40e010a.dat"
-[ 26, 71 ] = ascii (fp) : "./hrtfs/elev40/L40e005a.dat"
+[ 26,  0 ] = ascii (fp) : "./hrtfs/elev40/L40e000a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e000a.dat right
+[ 26,  1 ] = ascii (fp) : "./hrtfs/elev40/L40e355a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e355a.dat right
+[ 26,  2 ] = ascii (fp) : "./hrtfs/elev40/L40e350a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e350a.dat right
+[ 26,  3 ] = ascii (fp) : "./hrtfs/elev40/L40e345a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e345a.dat right
+[ 26,  4 ] = ascii (fp) : "./hrtfs/elev40/L40e340a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e340a.dat right
+[ 26,  5 ] = ascii (fp) : "./hrtfs/elev40/L40e335a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e335a.dat right
+[ 26,  6 ] = ascii (fp) : "./hrtfs/elev40/L40e330a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e330a.dat right
+[ 26,  7 ] = ascii (fp) : "./hrtfs/elev40/L40e325a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e325a.dat right
+[ 26,  8 ] = ascii (fp) : "./hrtfs/elev40/L40e320a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e320a.dat right
+[ 26,  9 ] = ascii (fp) : "./hrtfs/elev40/L40e315a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e315a.dat right
+[ 26, 10 ] = ascii (fp) : "./hrtfs/elev40/L40e310a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e310a.dat right
+[ 26, 11 ] = ascii (fp) : "./hrtfs/elev40/L40e305a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e305a.dat right
+[ 26, 12 ] = ascii (fp) : "./hrtfs/elev40/L40e300a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e300a.dat right
+[ 26, 13 ] = ascii (fp) : "./hrtfs/elev40/L40e295a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e295a.dat right
+[ 26, 14 ] = ascii (fp) : "./hrtfs/elev40/L40e290a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e290a.dat right
+[ 26, 15 ] = ascii (fp) : "./hrtfs/elev40/L40e285a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e285a.dat right
+[ 26, 16 ] = ascii (fp) : "./hrtfs/elev40/L40e280a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e280a.dat right
+[ 26, 17 ] = ascii (fp) : "./hrtfs/elev40/L40e275a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e275a.dat right
+[ 26, 18 ] = ascii (fp) : "./hrtfs/elev40/L40e270a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e270a.dat right
+[ 26, 19 ] = ascii (fp) : "./hrtfs/elev40/L40e265a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e265a.dat right
+[ 26, 20 ] = ascii (fp) : "./hrtfs/elev40/L40e260a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e260a.dat right
+[ 26, 21 ] = ascii (fp) : "./hrtfs/elev40/L40e255a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e255a.dat right
+[ 26, 22 ] = ascii (fp) : "./hrtfs/elev40/L40e250a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e250a.dat right
+[ 26, 23 ] = ascii (fp) : "./hrtfs/elev40/L40e245a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e245a.dat right
+[ 26, 24 ] = ascii (fp) : "./hrtfs/elev40/L40e240a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e240a.dat right
+[ 26, 25 ] = ascii (fp) : "./hrtfs/elev40/L40e235a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e235a.dat right
+[ 26, 26 ] = ascii (fp) : "./hrtfs/elev40/L40e230a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e230a.dat right
+[ 26, 27 ] = ascii (fp) : "./hrtfs/elev40/L40e225a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e225a.dat right
+[ 26, 28 ] = ascii (fp) : "./hrtfs/elev40/L40e220a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e220a.dat right
+[ 26, 29 ] = ascii (fp) : "./hrtfs/elev40/L40e215a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e215a.dat right
+[ 26, 30 ] = ascii (fp) : "./hrtfs/elev40/L40e210a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e210a.dat right
+[ 26, 31 ] = ascii (fp) : "./hrtfs/elev40/L40e205a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e205a.dat right
+[ 26, 32 ] = ascii (fp) : "./hrtfs/elev40/L40e200a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e200a.dat right
+[ 26, 33 ] = ascii (fp) : "./hrtfs/elev40/L40e195a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e195a.dat right
+[ 26, 34 ] = ascii (fp) : "./hrtfs/elev40/L40e190a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e190a.dat right
+[ 26, 35 ] = ascii (fp) : "./hrtfs/elev40/L40e185a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e185a.dat right
+[ 26, 36 ] = ascii (fp) : "./hrtfs/elev40/L40e180a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e180a.dat right
+[ 26, 37 ] = ascii (fp) : "./hrtfs/elev40/L40e175a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e175a.dat right
+[ 26, 38 ] = ascii (fp) : "./hrtfs/elev40/L40e170a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e170a.dat right
+[ 26, 39 ] = ascii (fp) : "./hrtfs/elev40/L40e165a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e165a.dat right
+[ 26, 40 ] = ascii (fp) : "./hrtfs/elev40/L40e160a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e160a.dat right
+[ 26, 41 ] = ascii (fp) : "./hrtfs/elev40/L40e155a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e155a.dat right
+[ 26, 42 ] = ascii (fp) : "./hrtfs/elev40/L40e150a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e150a.dat right
+[ 26, 43 ] = ascii (fp) : "./hrtfs/elev40/L40e145a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e145a.dat right
+[ 26, 44 ] = ascii (fp) : "./hrtfs/elev40/L40e140a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e140a.dat right
+[ 26, 45 ] = ascii (fp) : "./hrtfs/elev40/L40e135a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e135a.dat right
+[ 26, 46 ] = ascii (fp) : "./hrtfs/elev40/L40e130a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e130a.dat right
+[ 26, 47 ] = ascii (fp) : "./hrtfs/elev40/L40e125a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e125a.dat right
+[ 26, 48 ] = ascii (fp) : "./hrtfs/elev40/L40e120a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e120a.dat right
+[ 26, 49 ] = ascii (fp) : "./hrtfs/elev40/L40e115a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e115a.dat right
+[ 26, 50 ] = ascii (fp) : "./hrtfs/elev40/L40e110a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e110a.dat right
+[ 26, 51 ] = ascii (fp) : "./hrtfs/elev40/L40e105a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e105a.dat right
+[ 26, 52 ] = ascii (fp) : "./hrtfs/elev40/L40e100a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e100a.dat right
+[ 26, 53 ] = ascii (fp) : "./hrtfs/elev40/L40e095a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e095a.dat right
+[ 26, 54 ] = ascii (fp) : "./hrtfs/elev40/L40e090a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e090a.dat right
+[ 26, 55 ] = ascii (fp) : "./hrtfs/elev40/L40e085a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e085a.dat right
+[ 26, 56 ] = ascii (fp) : "./hrtfs/elev40/L40e080a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e080a.dat right
+[ 26, 57 ] = ascii (fp) : "./hrtfs/elev40/L40e075a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e075a.dat right
+[ 26, 58 ] = ascii (fp) : "./hrtfs/elev40/L40e070a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e070a.dat right
+[ 26, 59 ] = ascii (fp) : "./hrtfs/elev40/L40e065a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e065a.dat right
+[ 26, 60 ] = ascii (fp) : "./hrtfs/elev40/L40e060a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e060a.dat right
+[ 26, 61 ] = ascii (fp) : "./hrtfs/elev40/L40e055a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e055a.dat right
+[ 26, 62 ] = ascii (fp) : "./hrtfs/elev40/L40e050a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e050a.dat right
+[ 26, 63 ] = ascii (fp) : "./hrtfs/elev40/L40e045a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e045a.dat right
+[ 26, 64 ] = ascii (fp) : "./hrtfs/elev40/L40e040a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e040a.dat right
+[ 26, 65 ] = ascii (fp) : "./hrtfs/elev40/L40e035a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e035a.dat right
+[ 26, 66 ] = ascii (fp) : "./hrtfs/elev40/L40e030a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e030a.dat right
+[ 26, 67 ] = ascii (fp) : "./hrtfs/elev40/L40e025a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e025a.dat right
+[ 26, 68 ] = ascii (fp) : "./hrtfs/elev40/L40e020a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e020a.dat right
+[ 26, 69 ] = ascii (fp) : "./hrtfs/elev40/L40e015a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e015a.dat right
+[ 26, 70 ] = ascii (fp) : "./hrtfs/elev40/L40e010a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e010a.dat right
+[ 26, 71 ] = ascii (fp) : "./hrtfs/elev40/L40e005a.dat left
+           + ascii (fp) : "./hrtfs/elev40/R40e005a.dat right
 
-[ 27,  0 ] = ascii (fp) : "./hrtfs/elev45/L45e000a.dat"
-[ 27,  1 ] = ascii (fp) : "./hrtfs/elev45/L45e355a.dat"
-[ 27,  2 ] = ascii (fp) : "./hrtfs/elev45/L45e350a.dat"
-[ 27,  3 ] = ascii (fp) : "./hrtfs/elev45/L45e345a.dat"
-[ 27,  4 ] = ascii (fp) : "./hrtfs/elev45/L45e340a.dat"
-[ 27,  5 ] = ascii (fp) : "./hrtfs/elev45/L45e335a.dat"
-[ 27,  6 ] = ascii (fp) : "./hrtfs/elev45/L45e330a.dat"
-[ 27,  7 ] = ascii (fp) : "./hrtfs/elev45/L45e325a.dat"
-[ 27,  8 ] = ascii (fp) : "./hrtfs/elev45/L45e320a.dat"
-[ 27,  9 ] = ascii (fp) : "./hrtfs/elev45/L45e315a.dat"
-[ 27, 10 ] = ascii (fp) : "./hrtfs/elev45/L45e310a.dat"
-[ 27, 11 ] = ascii (fp) : "./hrtfs/elev45/L45e305a.dat"
-[ 27, 12 ] = ascii (fp) : "./hrtfs/elev45/L45e300a.dat"
-[ 27, 13 ] = ascii (fp) : "./hrtfs/elev45/L45e295a.dat"
-[ 27, 14 ] = ascii (fp) : "./hrtfs/elev45/L45e290a.dat"
-[ 27, 15 ] = ascii (fp) : "./hrtfs/elev45/L45e285a.dat"
-[ 27, 16 ] = ascii (fp) : "./hrtfs/elev45/L45e280a.dat"
-[ 27, 17 ] = ascii (fp) : "./hrtfs/elev45/L45e275a.dat"
-[ 27, 18 ] = ascii (fp) : "./hrtfs/elev45/L45e270a.dat"
-[ 27, 19 ] = ascii (fp) : "./hrtfs/elev45/L45e265a.dat"
-[ 27, 20 ] = ascii (fp) : "./hrtfs/elev45/L45e260a.dat"
-[ 27, 21 ] = ascii (fp) : "./hrtfs/elev45/L45e255a.dat"
-[ 27, 22 ] = ascii (fp) : "./hrtfs/elev45/L45e250a.dat"
-[ 27, 23 ] = ascii (fp) : "./hrtfs/elev45/L45e245a.dat"
-[ 27, 24 ] = ascii (fp) : "./hrtfs/elev45/L45e240a.dat"
-[ 27, 25 ] = ascii (fp) : "./hrtfs/elev45/L45e235a.dat"
-[ 27, 26 ] = ascii (fp) : "./hrtfs/elev45/L45e230a.dat"
-[ 27, 27 ] = ascii (fp) : "./hrtfs/elev45/L45e225a.dat"
-[ 27, 28 ] = ascii (fp) : "./hrtfs/elev45/L45e220a.dat"
-[ 27, 29 ] = ascii (fp) : "./hrtfs/elev45/L45e215a.dat"
-[ 27, 30 ] = ascii (fp) : "./hrtfs/elev45/L45e210a.dat"
-[ 27, 31 ] = ascii (fp) : "./hrtfs/elev45/L45e205a.dat"
-[ 27, 32 ] = ascii (fp) : "./hrtfs/elev45/L45e200a.dat"
-[ 27, 33 ] = ascii (fp) : "./hrtfs/elev45/L45e195a.dat"
-[ 27, 34 ] = ascii (fp) : "./hrtfs/elev45/L45e190a.dat"
-[ 27, 35 ] = ascii (fp) : "./hrtfs/elev45/L45e185a.dat"
-[ 27, 36 ] = ascii (fp) : "./hrtfs/elev45/L45e180a.dat"
-[ 27, 37 ] = ascii (fp) : "./hrtfs/elev45/L45e175a.dat"
-[ 27, 38 ] = ascii (fp) : "./hrtfs/elev45/L45e170a.dat"
-[ 27, 39 ] = ascii (fp) : "./hrtfs/elev45/L45e165a.dat"
-[ 27, 40 ] = ascii (fp) : "./hrtfs/elev45/L45e160a.dat"
-[ 27, 41 ] = ascii (fp) : "./hrtfs/elev45/L45e155a.dat"
-[ 27, 42 ] = ascii (fp) : "./hrtfs/elev45/L45e150a.dat"
-[ 27, 43 ] = ascii (fp) : "./hrtfs/elev45/L45e145a.dat"
-[ 27, 44 ] = ascii (fp) : "./hrtfs/elev45/L45e140a.dat"
-[ 27, 45 ] = ascii (fp) : "./hrtfs/elev45/L45e135a.dat"
-[ 27, 46 ] = ascii (fp) : "./hrtfs/elev45/L45e130a.dat"
-[ 27, 47 ] = ascii (fp) : "./hrtfs/elev45/L45e125a.dat"
-[ 27, 48 ] = ascii (fp) : "./hrtfs/elev45/L45e120a.dat"
-[ 27, 49 ] = ascii (fp) : "./hrtfs/elev45/L45e115a.dat"
-[ 27, 50 ] = ascii (fp) : "./hrtfs/elev45/L45e110a.dat"
-[ 27, 51 ] = ascii (fp) : "./hrtfs/elev45/L45e105a.dat"
-[ 27, 52 ] = ascii (fp) : "./hrtfs/elev45/L45e100a.dat"
-[ 27, 53 ] = ascii (fp) : "./hrtfs/elev45/L45e095a.dat"
-[ 27, 54 ] = ascii (fp) : "./hrtfs/elev45/L45e090a.dat"
-[ 27, 55 ] = ascii (fp) : "./hrtfs/elev45/L45e085a.dat"
-[ 27, 56 ] = ascii (fp) : "./hrtfs/elev45/L45e080a.dat"
-[ 27, 57 ] = ascii (fp) : "./hrtfs/elev45/L45e075a.dat"
-[ 27, 58 ] = ascii (fp) : "./hrtfs/elev45/L45e070a.dat"
-[ 27, 59 ] = ascii (fp) : "./hrtfs/elev45/L45e065a.dat"
-[ 27, 60 ] = ascii (fp) : "./hrtfs/elev45/L45e060a.dat"
-[ 27, 61 ] = ascii (fp) : "./hrtfs/elev45/L45e055a.dat"
-[ 27, 62 ] = ascii (fp) : "./hrtfs/elev45/L45e050a.dat"
-[ 27, 63 ] = ascii (fp) : "./hrtfs/elev45/L45e045a.dat"
-[ 27, 64 ] = ascii (fp) : "./hrtfs/elev45/L45e040a.dat"
-[ 27, 65 ] = ascii (fp) : "./hrtfs/elev45/L45e035a.dat"
-[ 27, 66 ] = ascii (fp) : "./hrtfs/elev45/L45e030a.dat"
-[ 27, 67 ] = ascii (fp) : "./hrtfs/elev45/L45e025a.dat"
-[ 27, 68 ] = ascii (fp) : "./hrtfs/elev45/L45e020a.dat"
-[ 27, 69 ] = ascii (fp) : "./hrtfs/elev45/L45e015a.dat"
-[ 27, 70 ] = ascii (fp) : "./hrtfs/elev45/L45e010a.dat"
-[ 27, 71 ] = ascii (fp) : "./hrtfs/elev45/L45e005a.dat"
+[ 27,  0 ] = ascii (fp) : "./hrtfs/elev45/L45e000a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e000a.dat right
+[ 27,  1 ] = ascii (fp) : "./hrtfs/elev45/L45e355a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e355a.dat right
+[ 27,  2 ] = ascii (fp) : "./hrtfs/elev45/L45e350a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e350a.dat right
+[ 27,  3 ] = ascii (fp) : "./hrtfs/elev45/L45e345a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e345a.dat right
+[ 27,  4 ] = ascii (fp) : "./hrtfs/elev45/L45e340a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e340a.dat right
+[ 27,  5 ] = ascii (fp) : "./hrtfs/elev45/L45e335a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e335a.dat right
+[ 27,  6 ] = ascii (fp) : "./hrtfs/elev45/L45e330a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e330a.dat right
+[ 27,  7 ] = ascii (fp) : "./hrtfs/elev45/L45e325a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e325a.dat right
+[ 27,  8 ] = ascii (fp) : "./hrtfs/elev45/L45e320a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e320a.dat right
+[ 27,  9 ] = ascii (fp) : "./hrtfs/elev45/L45e315a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e315a.dat right
+[ 27, 10 ] = ascii (fp) : "./hrtfs/elev45/L45e310a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e310a.dat right
+[ 27, 11 ] = ascii (fp) : "./hrtfs/elev45/L45e305a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e305a.dat right
+[ 27, 12 ] = ascii (fp) : "./hrtfs/elev45/L45e300a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e300a.dat right
+[ 27, 13 ] = ascii (fp) : "./hrtfs/elev45/L45e295a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e295a.dat right
+[ 27, 14 ] = ascii (fp) : "./hrtfs/elev45/L45e290a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e290a.dat right
+[ 27, 15 ] = ascii (fp) : "./hrtfs/elev45/L45e285a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e285a.dat right
+[ 27, 16 ] = ascii (fp) : "./hrtfs/elev45/L45e280a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e280a.dat right
+[ 27, 17 ] = ascii (fp) : "./hrtfs/elev45/L45e275a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e275a.dat right
+[ 27, 18 ] = ascii (fp) : "./hrtfs/elev45/L45e270a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e270a.dat right
+[ 27, 19 ] = ascii (fp) : "./hrtfs/elev45/L45e265a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e265a.dat right
+[ 27, 20 ] = ascii (fp) : "./hrtfs/elev45/L45e260a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e260a.dat right
+[ 27, 21 ] = ascii (fp) : "./hrtfs/elev45/L45e255a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e255a.dat right
+[ 27, 22 ] = ascii (fp) : "./hrtfs/elev45/L45e250a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e250a.dat right
+[ 27, 23 ] = ascii (fp) : "./hrtfs/elev45/L45e245a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e245a.dat right
+[ 27, 24 ] = ascii (fp) : "./hrtfs/elev45/L45e240a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e240a.dat right
+[ 27, 25 ] = ascii (fp) : "./hrtfs/elev45/L45e235a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e235a.dat right
+[ 27, 26 ] = ascii (fp) : "./hrtfs/elev45/L45e230a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e230a.dat right
+[ 27, 27 ] = ascii (fp) : "./hrtfs/elev45/L45e225a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e225a.dat right
+[ 27, 28 ] = ascii (fp) : "./hrtfs/elev45/L45e220a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e220a.dat right
+[ 27, 29 ] = ascii (fp) : "./hrtfs/elev45/L45e215a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e215a.dat right
+[ 27, 30 ] = ascii (fp) : "./hrtfs/elev45/L45e210a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e210a.dat right
+[ 27, 31 ] = ascii (fp) : "./hrtfs/elev45/L45e205a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e205a.dat right
+[ 27, 32 ] = ascii (fp) : "./hrtfs/elev45/L45e200a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e200a.dat right
+[ 27, 33 ] = ascii (fp) : "./hrtfs/elev45/L45e195a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e195a.dat right
+[ 27, 34 ] = ascii (fp) : "./hrtfs/elev45/L45e190a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e190a.dat right
+[ 27, 35 ] = ascii (fp) : "./hrtfs/elev45/L45e185a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e185a.dat right
+[ 27, 36 ] = ascii (fp) : "./hrtfs/elev45/L45e180a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e180a.dat right
+[ 27, 37 ] = ascii (fp) : "./hrtfs/elev45/L45e175a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e175a.dat right
+[ 27, 38 ] = ascii (fp) : "./hrtfs/elev45/L45e170a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e170a.dat right
+[ 27, 39 ] = ascii (fp) : "./hrtfs/elev45/L45e165a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e165a.dat right
+[ 27, 40 ] = ascii (fp) : "./hrtfs/elev45/L45e160a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e160a.dat right
+[ 27, 41 ] = ascii (fp) : "./hrtfs/elev45/L45e155a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e155a.dat right
+[ 27, 42 ] = ascii (fp) : "./hrtfs/elev45/L45e150a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e150a.dat right
+[ 27, 43 ] = ascii (fp) : "./hrtfs/elev45/L45e145a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e145a.dat right
+[ 27, 44 ] = ascii (fp) : "./hrtfs/elev45/L45e140a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e140a.dat right
+[ 27, 45 ] = ascii (fp) : "./hrtfs/elev45/L45e135a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e135a.dat right
+[ 27, 46 ] = ascii (fp) : "./hrtfs/elev45/L45e130a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e130a.dat right
+[ 27, 47 ] = ascii (fp) : "./hrtfs/elev45/L45e125a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e125a.dat right
+[ 27, 48 ] = ascii (fp) : "./hrtfs/elev45/L45e120a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e120a.dat right
+[ 27, 49 ] = ascii (fp) : "./hrtfs/elev45/L45e115a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e115a.dat right
+[ 27, 50 ] = ascii (fp) : "./hrtfs/elev45/L45e110a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e110a.dat right
+[ 27, 51 ] = ascii (fp) : "./hrtfs/elev45/L45e105a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e105a.dat right
+[ 27, 52 ] = ascii (fp) : "./hrtfs/elev45/L45e100a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e100a.dat right
+[ 27, 53 ] = ascii (fp) : "./hrtfs/elev45/L45e095a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e095a.dat right
+[ 27, 54 ] = ascii (fp) : "./hrtfs/elev45/L45e090a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e090a.dat right
+[ 27, 55 ] = ascii (fp) : "./hrtfs/elev45/L45e085a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e085a.dat right
+[ 27, 56 ] = ascii (fp) : "./hrtfs/elev45/L45e080a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e080a.dat right
+[ 27, 57 ] = ascii (fp) : "./hrtfs/elev45/L45e075a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e075a.dat right
+[ 27, 58 ] = ascii (fp) : "./hrtfs/elev45/L45e070a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e070a.dat right
+[ 27, 59 ] = ascii (fp) : "./hrtfs/elev45/L45e065a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e065a.dat right
+[ 27, 60 ] = ascii (fp) : "./hrtfs/elev45/L45e060a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e060a.dat right
+[ 27, 61 ] = ascii (fp) : "./hrtfs/elev45/L45e055a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e055a.dat right
+[ 27, 62 ] = ascii (fp) : "./hrtfs/elev45/L45e050a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e050a.dat right
+[ 27, 63 ] = ascii (fp) : "./hrtfs/elev45/L45e045a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e045a.dat right
+[ 27, 64 ] = ascii (fp) : "./hrtfs/elev45/L45e040a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e040a.dat right
+[ 27, 65 ] = ascii (fp) : "./hrtfs/elev45/L45e035a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e035a.dat right
+[ 27, 66 ] = ascii (fp) : "./hrtfs/elev45/L45e030a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e030a.dat right
+[ 27, 67 ] = ascii (fp) : "./hrtfs/elev45/L45e025a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e025a.dat right
+[ 27, 68 ] = ascii (fp) : "./hrtfs/elev45/L45e020a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e020a.dat right
+[ 27, 69 ] = ascii (fp) : "./hrtfs/elev45/L45e015a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e015a.dat right
+[ 27, 70 ] = ascii (fp) : "./hrtfs/elev45/L45e010a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e010a.dat right
+[ 27, 71 ] = ascii (fp) : "./hrtfs/elev45/L45e005a.dat left
+           + ascii (fp) : "./hrtfs/elev45/R45e005a.dat right
 
-[ 28,  0 ] = ascii (fp) : "./hrtfs/elev50/L50e000a.dat"
-[ 28,  1 ] = ascii (fp) : "./hrtfs/elev50/L50e355a.dat"
-[ 28,  2 ] = ascii (fp) : "./hrtfs/elev50/L50e350a.dat"
-[ 28,  3 ] = ascii (fp) : "./hrtfs/elev50/L50e345a.dat"
-[ 28,  4 ] = ascii (fp) : "./hrtfs/elev50/L50e340a.dat"
-[ 28,  5 ] = ascii (fp) : "./hrtfs/elev50/L50e335a.dat"
-[ 28,  6 ] = ascii (fp) : "./hrtfs/elev50/L50e330a.dat"
-[ 28,  7 ] = ascii (fp) : "./hrtfs/elev50/L50e325a.dat"
-[ 28,  8 ] = ascii (fp) : "./hrtfs/elev50/L50e320a.dat"
-[ 28,  9 ] = ascii (fp) : "./hrtfs/elev50/L50e315a.dat"
-[ 28, 10 ] = ascii (fp) : "./hrtfs/elev50/L50e310a.dat"
-[ 28, 11 ] = ascii (fp) : "./hrtfs/elev50/L50e305a.dat"
-[ 28, 12 ] = ascii (fp) : "./hrtfs/elev50/L50e300a.dat"
-[ 28, 13 ] = ascii (fp) : "./hrtfs/elev50/L50e295a.dat"
-[ 28, 14 ] = ascii (fp) : "./hrtfs/elev50/L50e290a.dat"
-[ 28, 15 ] = ascii (fp) : "./hrtfs/elev50/L50e285a.dat"
-[ 28, 16 ] = ascii (fp) : "./hrtfs/elev50/L50e280a.dat"
-[ 28, 17 ] = ascii (fp) : "./hrtfs/elev50/L50e275a.dat"
-[ 28, 18 ] = ascii (fp) : "./hrtfs/elev50/L50e270a.dat"
-[ 28, 19 ] = ascii (fp) : "./hrtfs/elev50/L50e265a.dat"
-[ 28, 20 ] = ascii (fp) : "./hrtfs/elev50/L50e260a.dat"
-[ 28, 21 ] = ascii (fp) : "./hrtfs/elev50/L50e255a.dat"
-[ 28, 22 ] = ascii (fp) : "./hrtfs/elev50/L50e250a.dat"
-[ 28, 23 ] = ascii (fp) : "./hrtfs/elev50/L50e245a.dat"
-[ 28, 24 ] = ascii (fp) : "./hrtfs/elev50/L50e240a.dat"
-[ 28, 25 ] = ascii (fp) : "./hrtfs/elev50/L50e235a.dat"
-[ 28, 26 ] = ascii (fp) : "./hrtfs/elev50/L50e230a.dat"
-[ 28, 27 ] = ascii (fp) : "./hrtfs/elev50/L50e225a.dat"
-[ 28, 28 ] = ascii (fp) : "./hrtfs/elev50/L50e220a.dat"
-[ 28, 29 ] = ascii (fp) : "./hrtfs/elev50/L50e215a.dat"
-[ 28, 30 ] = ascii (fp) : "./hrtfs/elev50/L50e210a.dat"
-[ 28, 31 ] = ascii (fp) : "./hrtfs/elev50/L50e205a.dat"
-[ 28, 32 ] = ascii (fp) : "./hrtfs/elev50/L50e200a.dat"
-[ 28, 33 ] = ascii (fp) : "./hrtfs/elev50/L50e195a.dat"
-[ 28, 34 ] = ascii (fp) : "./hrtfs/elev50/L50e190a.dat"
-[ 28, 35 ] = ascii (fp) : "./hrtfs/elev50/L50e185a.dat"
-[ 28, 36 ] = ascii (fp) : "./hrtfs/elev50/L50e180a.dat"
-[ 28, 37 ] = ascii (fp) : "./hrtfs/elev50/L50e175a.dat"
-[ 28, 38 ] = ascii (fp) : "./hrtfs/elev50/L50e170a.dat"
-[ 28, 39 ] = ascii (fp) : "./hrtfs/elev50/L50e165a.dat"
-[ 28, 40 ] = ascii (fp) : "./hrtfs/elev50/L50e160a.dat"
-[ 28, 41 ] = ascii (fp) : "./hrtfs/elev50/L50e155a.dat"
-[ 28, 42 ] = ascii (fp) : "./hrtfs/elev50/L50e150a.dat"
-[ 28, 43 ] = ascii (fp) : "./hrtfs/elev50/L50e145a.dat"
-[ 28, 44 ] = ascii (fp) : "./hrtfs/elev50/L50e140a.dat"
-[ 28, 45 ] = ascii (fp) : "./hrtfs/elev50/L50e135a.dat"
-[ 28, 46 ] = ascii (fp) : "./hrtfs/elev50/L50e130a.dat"
-[ 28, 47 ] = ascii (fp) : "./hrtfs/elev50/L50e125a.dat"
-[ 28, 48 ] = ascii (fp) : "./hrtfs/elev50/L50e120a.dat"
-[ 28, 49 ] = ascii (fp) : "./hrtfs/elev50/L50e115a.dat"
-[ 28, 50 ] = ascii (fp) : "./hrtfs/elev50/L50e110a.dat"
-[ 28, 51 ] = ascii (fp) : "./hrtfs/elev50/L50e105a.dat"
-[ 28, 52 ] = ascii (fp) : "./hrtfs/elev50/L50e100a.dat"
-[ 28, 53 ] = ascii (fp) : "./hrtfs/elev50/L50e095a.dat"
-[ 28, 54 ] = ascii (fp) : "./hrtfs/elev50/L50e090a.dat"
-[ 28, 55 ] = ascii (fp) : "./hrtfs/elev50/L50e085a.dat"
-[ 28, 56 ] = ascii (fp) : "./hrtfs/elev50/L50e080a.dat"
-[ 28, 57 ] = ascii (fp) : "./hrtfs/elev50/L50e075a.dat"
-[ 28, 58 ] = ascii (fp) : "./hrtfs/elev50/L50e070a.dat"
-[ 28, 59 ] = ascii (fp) : "./hrtfs/elev50/L50e065a.dat"
-[ 28, 60 ] = ascii (fp) : "./hrtfs/elev50/L50e060a.dat"
-[ 28, 61 ] = ascii (fp) : "./hrtfs/elev50/L50e055a.dat"
-[ 28, 62 ] = ascii (fp) : "./hrtfs/elev50/L50e050a.dat"
-[ 28, 63 ] = ascii (fp) : "./hrtfs/elev50/L50e045a.dat"
-[ 28, 64 ] = ascii (fp) : "./hrtfs/elev50/L50e040a.dat"
-[ 28, 65 ] = ascii (fp) : "./hrtfs/elev50/L50e035a.dat"
-[ 28, 66 ] = ascii (fp) : "./hrtfs/elev50/L50e030a.dat"
-[ 28, 67 ] = ascii (fp) : "./hrtfs/elev50/L50e025a.dat"
-[ 28, 68 ] = ascii (fp) : "./hrtfs/elev50/L50e020a.dat"
-[ 28, 69 ] = ascii (fp) : "./hrtfs/elev50/L50e015a.dat"
-[ 28, 70 ] = ascii (fp) : "./hrtfs/elev50/L50e010a.dat"
-[ 28, 71 ] = ascii (fp) : "./hrtfs/elev50/L50e005a.dat"
+[ 28,  0 ] = ascii (fp) : "./hrtfs/elev50/L50e000a.dat left
+           + ascii (fp) : "./hrtfs/elev50/R50e000a.dat right
+[ 28,  1 ] = ascii (fp) : "./hrtfs/elev50/L50e355a.dat left
+           + ascii (fp) : "./hrtfs/elev50/R50e355a.dat right
+[ 28,  2 ] = ascii (fp) : "./hrtfs/elev50/L50e350a.dat left
+           + ascii (fp) : "./hrtfs/elev50/R50e350a.dat right
+[ 28,  3 ] = ascii (fp) : "./hrtfs/elev50/L50e345a.dat left
+           + ascii (fp) : "./hrtfs/elev50/R50e345a.dat right
+[ 28,  4 ] = ascii (fp) : "./hrtfs/elev50/L50e340a.dat left
+           + ascii (fp) : "./hrtfs/elev50/R50e340a.dat right
+[ 28,  5 ] = ascii (fp) : "./hrtfs/elev50/L50e335a.dat left
+           + ascii (fp) : "./hrtfs/elev50/R50e335a.dat right
+[ 28,  6 ] = ascii (fp) : "./hrtfs/elev50/L50e330a.dat left
+           + ascii (fp) : "./hrtfs/elev50/R50e330a.dat right
+[ 28,  7 ] = ascii (fp) : "./hrtfs/elev50/L50e325a.dat left
+           + ascii (fp) : "./hrtfs/elev50/R50e325a.dat right
+[ 28,  8 ] = ascii (fp) : "./hrtfs/elev50/L50e320a.dat left
+           + ascii (fp) : "./hrtfs/elev50/R50e320a.dat right
+[ 28,  9 ] = ascii (fp) : "./hrtfs/elev50/L50e315a.dat left
+           + ascii (fp) : "./hrtfs/elev50/R50e315a.dat right
+[ 28, 10 ] = ascii (fp) : "./hrtfs/elev50/L50e310a.dat left
+           + ascii (fp) : "./hrtfs/elev50/R50e310a.dat right
+[ 28, 11 ] = ascii (fp) : "./hrtfs/elev50/L50e305a.dat left
+           + ascii (fp) : "./hrtfs/elev50/R50e305a.dat right
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-[ 29, 23 ] = ascii (fp) : "./hrtfs/elev55/L55e245a.dat"
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-[ 29, 25 ] = ascii (fp) : "./hrtfs/elev55/L55e235a.dat"
-[ 29, 26 ] = ascii (fp) : "./hrtfs/elev55/L55e230a.dat"
-[ 29, 27 ] = ascii (fp) : "./hrtfs/elev55/L55e225a.dat"
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-[ 29, 30 ] = ascii (fp) : "./hrtfs/elev55/L55e210a.dat"
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-[ 29, 45 ] = ascii (fp) : "./hrtfs/elev55/L55e135a.dat"
-[ 29, 46 ] = ascii (fp) : "./hrtfs/elev55/L55e130a.dat"
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-[ 29, 48 ] = ascii (fp) : "./hrtfs/elev55/L55e120a.dat"
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-[ 29, 54 ] = ascii (fp) : "./hrtfs/elev55/L55e090a.dat"
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-[ 30,  2 ] = ascii (fp) : "./hrtfs/elev60/L60e350a.dat"
-[ 30,  3 ] = ascii (fp) : "./hrtfs/elev60/L60e345a.dat"
-[ 30,  4 ] = ascii (fp) : "./hrtfs/elev60/L60e340a.dat"
-[ 30,  5 ] = ascii (fp) : "./hrtfs/elev60/L60e335a.dat"
-[ 30,  6 ] = ascii (fp) : "./hrtfs/elev60/L60e330a.dat"
-[ 30,  7 ] = ascii (fp) : "./hrtfs/elev60/L60e325a.dat"
-[ 30,  8 ] = ascii (fp) : "./hrtfs/elev60/L60e320a.dat"
-[ 30,  9 ] = ascii (fp) : "./hrtfs/elev60/L60e315a.dat"
-[ 30, 10 ] = ascii (fp) : "./hrtfs/elev60/L60e310a.dat"
-[ 30, 11 ] = ascii (fp) : "./hrtfs/elev60/L60e305a.dat"
-[ 30, 12 ] = ascii (fp) : "./hrtfs/elev60/L60e300a.dat"
-[ 30, 13 ] = ascii (fp) : "./hrtfs/elev60/L60e295a.dat"
-[ 30, 14 ] = ascii (fp) : "./hrtfs/elev60/L60e290a.dat"
-[ 30, 15 ] = ascii (fp) : "./hrtfs/elev60/L60e285a.dat"
-[ 30, 16 ] = ascii (fp) : "./hrtfs/elev60/L60e280a.dat"
-[ 30, 17 ] = ascii (fp) : "./hrtfs/elev60/L60e275a.dat"
-[ 30, 18 ] = ascii (fp) : "./hrtfs/elev60/L60e270a.dat"
-[ 30, 19 ] = ascii (fp) : "./hrtfs/elev60/L60e265a.dat"
-[ 30, 20 ] = ascii (fp) : "./hrtfs/elev60/L60e260a.dat"
-[ 30, 21 ] = ascii (fp) : "./hrtfs/elev60/L60e255a.dat"
-[ 30, 22 ] = ascii (fp) : "./hrtfs/elev60/L60e250a.dat"
-[ 30, 23 ] = ascii (fp) : "./hrtfs/elev60/L60e245a.dat"
-[ 30, 24 ] = ascii (fp) : "./hrtfs/elev60/L60e240a.dat"
-[ 30, 25 ] = ascii (fp) : "./hrtfs/elev60/L60e235a.dat"
-[ 30, 26 ] = ascii (fp) : "./hrtfs/elev60/L60e230a.dat"
-[ 30, 27 ] = ascii (fp) : "./hrtfs/elev60/L60e225a.dat"
-[ 30, 28 ] = ascii (fp) : "./hrtfs/elev60/L60e220a.dat"
-[ 30, 29 ] = ascii (fp) : "./hrtfs/elev60/L60e215a.dat"
-[ 30, 30 ] = ascii (fp) : "./hrtfs/elev60/L60e210a.dat"
-[ 30, 31 ] = ascii (fp) : "./hrtfs/elev60/L60e205a.dat"
-[ 30, 32 ] = ascii (fp) : "./hrtfs/elev60/L60e200a.dat"
-[ 30, 33 ] = ascii (fp) : "./hrtfs/elev60/L60e195a.dat"
-[ 30, 34 ] = ascii (fp) : "./hrtfs/elev60/L60e190a.dat"
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-[ 30, 36 ] = ascii (fp) : "./hrtfs/elev60/L60e180a.dat"
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-[ 30, 38 ] = ascii (fp) : "./hrtfs/elev60/L60e170a.dat"
-[ 30, 39 ] = ascii (fp) : "./hrtfs/elev60/L60e165a.dat"
-[ 30, 40 ] = ascii (fp) : "./hrtfs/elev60/L60e160a.dat"
-[ 30, 41 ] = ascii (fp) : "./hrtfs/elev60/L60e155a.dat"
-[ 30, 42 ] = ascii (fp) : "./hrtfs/elev60/L60e150a.dat"
-[ 30, 43 ] = ascii (fp) : "./hrtfs/elev60/L60e145a.dat"
-[ 30, 44 ] = ascii (fp) : "./hrtfs/elev60/L60e140a.dat"
-[ 30, 45 ] = ascii (fp) : "./hrtfs/elev60/L60e135a.dat"
-[ 30, 46 ] = ascii (fp) : "./hrtfs/elev60/L60e130a.dat"
-[ 30, 47 ] = ascii (fp) : "./hrtfs/elev60/L60e125a.dat"
-[ 30, 48 ] = ascii (fp) : "./hrtfs/elev60/L60e120a.dat"
-[ 30, 49 ] = ascii (fp) : "./hrtfs/elev60/L60e115a.dat"
-[ 30, 50 ] = ascii (fp) : "./hrtfs/elev60/L60e110a.dat"
-[ 30, 51 ] = ascii (fp) : "./hrtfs/elev60/L60e105a.dat"
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-[ 30, 53 ] = ascii (fp) : "./hrtfs/elev60/L60e095a.dat"
-[ 30, 54 ] = ascii (fp) : "./hrtfs/elev60/L60e090a.dat"
-[ 30, 55 ] = ascii (fp) : "./hrtfs/elev60/L60e085a.dat"
-[ 30, 56 ] = ascii (fp) : "./hrtfs/elev60/L60e080a.dat"
-[ 30, 57 ] = ascii (fp) : "./hrtfs/elev60/L60e075a.dat"
-[ 30, 58 ] = ascii (fp) : "./hrtfs/elev60/L60e070a.dat"
-[ 30, 59 ] = ascii (fp) : "./hrtfs/elev60/L60e065a.dat"
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-[ 30, 67 ] = ascii (fp) : "./hrtfs/elev60/L60e025a.dat"
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+[ 30, 62 ] = ascii (fp) : "./hrtfs/elev60/L60e050a.dat left
+           + ascii (fp) : "./hrtfs/elev60/R60e050a.dat right
+[ 30, 63 ] = ascii (fp) : "./hrtfs/elev60/L60e045a.dat left
+           + ascii (fp) : "./hrtfs/elev60/R60e045a.dat right
+[ 30, 64 ] = ascii (fp) : "./hrtfs/elev60/L60e040a.dat left
+           + ascii (fp) : "./hrtfs/elev60/R60e040a.dat right
+[ 30, 65 ] = ascii (fp) : "./hrtfs/elev60/L60e035a.dat left
+           + ascii (fp) : "./hrtfs/elev60/R60e035a.dat right
+[ 30, 66 ] = ascii (fp) : "./hrtfs/elev60/L60e030a.dat left
+           + ascii (fp) : "./hrtfs/elev60/R60e030a.dat right
+[ 30, 67 ] = ascii (fp) : "./hrtfs/elev60/L60e025a.dat left
+           + ascii (fp) : "./hrtfs/elev60/R60e025a.dat right
+[ 30, 68 ] = ascii (fp) : "./hrtfs/elev60/L60e020a.dat left
+           + ascii (fp) : "./hrtfs/elev60/R60e020a.dat right
+[ 30, 69 ] = ascii (fp) : "./hrtfs/elev60/L60e015a.dat left
+           + ascii (fp) : "./hrtfs/elev60/R60e015a.dat right
+[ 30, 70 ] = ascii (fp) : "./hrtfs/elev60/L60e010a.dat left
+           + ascii (fp) : "./hrtfs/elev60/R60e010a.dat right
+[ 30, 71 ] = ascii (fp) : "./hrtfs/elev60/L60e005a.dat left
+           + ascii (fp) : "./hrtfs/elev60/R60e005a.dat right
 
-[ 31,  0 ] = ascii (fp) : "./hrtfs/elev65/L65e000a.dat"
-[ 31,  1 ] = ascii (fp) : "./hrtfs/elev65/L65e355a.dat"
-[ 31,  2 ] = ascii (fp) : "./hrtfs/elev65/L65e350a.dat"
-[ 31,  3 ] = ascii (fp) : "./hrtfs/elev65/L65e345a.dat"
-[ 31,  4 ] = ascii (fp) : "./hrtfs/elev65/L65e340a.dat"
-[ 31,  5 ] = ascii (fp) : "./hrtfs/elev65/L65e335a.dat"
-[ 31,  6 ] = ascii (fp) : "./hrtfs/elev65/L65e330a.dat"
-[ 31,  7 ] = ascii (fp) : "./hrtfs/elev65/L65e325a.dat"
-[ 31,  8 ] = ascii (fp) : "./hrtfs/elev65/L65e320a.dat"
-[ 31,  9 ] = ascii (fp) : "./hrtfs/elev65/L65e315a.dat"
-[ 31, 10 ] = ascii (fp) : "./hrtfs/elev65/L65e310a.dat"
-[ 31, 11 ] = ascii (fp) : "./hrtfs/elev65/L65e305a.dat"
-[ 31, 12 ] = ascii (fp) : "./hrtfs/elev65/L65e300a.dat"
-[ 31, 13 ] = ascii (fp) : "./hrtfs/elev65/L65e295a.dat"
-[ 31, 14 ] = ascii (fp) : "./hrtfs/elev65/L65e290a.dat"
-[ 31, 15 ] = ascii (fp) : "./hrtfs/elev65/L65e285a.dat"
-[ 31, 16 ] = ascii (fp) : "./hrtfs/elev65/L65e280a.dat"
-[ 31, 17 ] = ascii (fp) : "./hrtfs/elev65/L65e275a.dat"
-[ 31, 18 ] = ascii (fp) : "./hrtfs/elev65/L65e270a.dat"
-[ 31, 19 ] = ascii (fp) : "./hrtfs/elev65/L65e265a.dat"
-[ 31, 20 ] = ascii (fp) : "./hrtfs/elev65/L65e260a.dat"
-[ 31, 21 ] = ascii (fp) : "./hrtfs/elev65/L65e255a.dat"
-[ 31, 22 ] = ascii (fp) : "./hrtfs/elev65/L65e250a.dat"
-[ 31, 23 ] = ascii (fp) : "./hrtfs/elev65/L65e245a.dat"
-[ 31, 24 ] = ascii (fp) : "./hrtfs/elev65/L65e240a.dat"
-[ 31, 25 ] = ascii (fp) : "./hrtfs/elev65/L65e235a.dat"
-[ 31, 26 ] = ascii (fp) : "./hrtfs/elev65/L65e230a.dat"
-[ 31, 27 ] = ascii (fp) : "./hrtfs/elev65/L65e225a.dat"
-[ 31, 28 ] = ascii (fp) : "./hrtfs/elev65/L65e220a.dat"
-[ 31, 29 ] = ascii (fp) : "./hrtfs/elev65/L65e215a.dat"
-[ 31, 30 ] = ascii (fp) : "./hrtfs/elev65/L65e210a.dat"
-[ 31, 31 ] = ascii (fp) : "./hrtfs/elev65/L65e205a.dat"
-[ 31, 32 ] = ascii (fp) : "./hrtfs/elev65/L65e200a.dat"
-[ 31, 33 ] = ascii (fp) : "./hrtfs/elev65/L65e195a.dat"
-[ 31, 34 ] = ascii (fp) : "./hrtfs/elev65/L65e190a.dat"
-[ 31, 35 ] = ascii (fp) : "./hrtfs/elev65/L65e185a.dat"
-[ 31, 36 ] = ascii (fp) : "./hrtfs/elev65/L65e180a.dat"
-[ 31, 37 ] = ascii (fp) : "./hrtfs/elev65/L65e175a.dat"
-[ 31, 38 ] = ascii (fp) : "./hrtfs/elev65/L65e170a.dat"
-[ 31, 39 ] = ascii (fp) : "./hrtfs/elev65/L65e165a.dat"
-[ 31, 40 ] = ascii (fp) : "./hrtfs/elev65/L65e160a.dat"
-[ 31, 41 ] = ascii (fp) : "./hrtfs/elev65/L65e155a.dat"
-[ 31, 42 ] = ascii (fp) : "./hrtfs/elev65/L65e150a.dat"
-[ 31, 43 ] = ascii (fp) : "./hrtfs/elev65/L65e145a.dat"
-[ 31, 44 ] = ascii (fp) : "./hrtfs/elev65/L65e140a.dat"
-[ 31, 45 ] = ascii (fp) : "./hrtfs/elev65/L65e135a.dat"
-[ 31, 46 ] = ascii (fp) : "./hrtfs/elev65/L65e130a.dat"
-[ 31, 47 ] = ascii (fp) : "./hrtfs/elev65/L65e125a.dat"
-[ 31, 48 ] = ascii (fp) : "./hrtfs/elev65/L65e120a.dat"
-[ 31, 49 ] = ascii (fp) : "./hrtfs/elev65/L65e115a.dat"
-[ 31, 50 ] = ascii (fp) : "./hrtfs/elev65/L65e110a.dat"
-[ 31, 51 ] = ascii (fp) : "./hrtfs/elev65/L65e105a.dat"
-[ 31, 52 ] = ascii (fp) : "./hrtfs/elev65/L65e100a.dat"
-[ 31, 53 ] = ascii (fp) : "./hrtfs/elev65/L65e095a.dat"
-[ 31, 54 ] = ascii (fp) : "./hrtfs/elev65/L65e090a.dat"
-[ 31, 55 ] = ascii (fp) : "./hrtfs/elev65/L65e085a.dat"
-[ 31, 56 ] = ascii (fp) : "./hrtfs/elev65/L65e080a.dat"
-[ 31, 57 ] = ascii (fp) : "./hrtfs/elev65/L65e075a.dat"
-[ 31, 58 ] = ascii (fp) : "./hrtfs/elev65/L65e070a.dat"
-[ 31, 59 ] = ascii (fp) : "./hrtfs/elev65/L65e065a.dat"
-[ 31, 60 ] = ascii (fp) : "./hrtfs/elev65/L65e060a.dat"
-[ 31, 61 ] = ascii (fp) : "./hrtfs/elev65/L65e055a.dat"
-[ 31, 62 ] = ascii (fp) : "./hrtfs/elev65/L65e050a.dat"
-[ 31, 63 ] = ascii (fp) : "./hrtfs/elev65/L65e045a.dat"
-[ 31, 64 ] = ascii (fp) : "./hrtfs/elev65/L65e040a.dat"
-[ 31, 65 ] = ascii (fp) : "./hrtfs/elev65/L65e035a.dat"
-[ 31, 66 ] = ascii (fp) : "./hrtfs/elev65/L65e030a.dat"
-[ 31, 67 ] = ascii (fp) : "./hrtfs/elev65/L65e025a.dat"
-[ 31, 68 ] = ascii (fp) : "./hrtfs/elev65/L65e020a.dat"
-[ 31, 69 ] = ascii (fp) : "./hrtfs/elev65/L65e015a.dat"
-[ 31, 70 ] = ascii (fp) : "./hrtfs/elev65/L65e010a.dat"
-[ 31, 71 ] = ascii (fp) : "./hrtfs/elev65/L65e005a.dat"
+[ 31,  0 ] = ascii (fp) : "./hrtfs/elev65/L65e000a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e000a.dat right
+[ 31,  1 ] = ascii (fp) : "./hrtfs/elev65/L65e355a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e355a.dat right
+[ 31,  2 ] = ascii (fp) : "./hrtfs/elev65/L65e350a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e350a.dat right
+[ 31,  3 ] = ascii (fp) : "./hrtfs/elev65/L65e345a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e345a.dat right
+[ 31,  4 ] = ascii (fp) : "./hrtfs/elev65/L65e340a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e340a.dat right
+[ 31,  5 ] = ascii (fp) : "./hrtfs/elev65/L65e335a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e335a.dat right
+[ 31,  6 ] = ascii (fp) : "./hrtfs/elev65/L65e330a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e330a.dat right
+[ 31,  7 ] = ascii (fp) : "./hrtfs/elev65/L65e325a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e325a.dat right
+[ 31,  8 ] = ascii (fp) : "./hrtfs/elev65/L65e320a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e320a.dat right
+[ 31,  9 ] = ascii (fp) : "./hrtfs/elev65/L65e315a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e315a.dat right
+[ 31, 10 ] = ascii (fp) : "./hrtfs/elev65/L65e310a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e310a.dat right
+[ 31, 11 ] = ascii (fp) : "./hrtfs/elev65/L65e305a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e305a.dat right
+[ 31, 12 ] = ascii (fp) : "./hrtfs/elev65/L65e300a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e300a.dat right
+[ 31, 13 ] = ascii (fp) : "./hrtfs/elev65/L65e295a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e295a.dat right
+[ 31, 14 ] = ascii (fp) : "./hrtfs/elev65/L65e290a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e290a.dat right
+[ 31, 15 ] = ascii (fp) : "./hrtfs/elev65/L65e285a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e285a.dat right
+[ 31, 16 ] = ascii (fp) : "./hrtfs/elev65/L65e280a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e280a.dat right
+[ 31, 17 ] = ascii (fp) : "./hrtfs/elev65/L65e275a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e275a.dat right
+[ 31, 18 ] = ascii (fp) : "./hrtfs/elev65/L65e270a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e270a.dat right
+[ 31, 19 ] = ascii (fp) : "./hrtfs/elev65/L65e265a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e265a.dat right
+[ 31, 20 ] = ascii (fp) : "./hrtfs/elev65/L65e260a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e260a.dat right
+[ 31, 21 ] = ascii (fp) : "./hrtfs/elev65/L65e255a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e255a.dat right
+[ 31, 22 ] = ascii (fp) : "./hrtfs/elev65/L65e250a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e250a.dat right
+[ 31, 23 ] = ascii (fp) : "./hrtfs/elev65/L65e245a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e245a.dat right
+[ 31, 24 ] = ascii (fp) : "./hrtfs/elev65/L65e240a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e240a.dat right
+[ 31, 25 ] = ascii (fp) : "./hrtfs/elev65/L65e235a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e235a.dat right
+[ 31, 26 ] = ascii (fp) : "./hrtfs/elev65/L65e230a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e230a.dat right
+[ 31, 27 ] = ascii (fp) : "./hrtfs/elev65/L65e225a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e225a.dat right
+[ 31, 28 ] = ascii (fp) : "./hrtfs/elev65/L65e220a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e220a.dat right
+[ 31, 29 ] = ascii (fp) : "./hrtfs/elev65/L65e215a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e215a.dat right
+[ 31, 30 ] = ascii (fp) : "./hrtfs/elev65/L65e210a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e210a.dat right
+[ 31, 31 ] = ascii (fp) : "./hrtfs/elev65/L65e205a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e205a.dat right
+[ 31, 32 ] = ascii (fp) : "./hrtfs/elev65/L65e200a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e200a.dat right
+[ 31, 33 ] = ascii (fp) : "./hrtfs/elev65/L65e195a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e195a.dat right
+[ 31, 34 ] = ascii (fp) : "./hrtfs/elev65/L65e190a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e190a.dat right
+[ 31, 35 ] = ascii (fp) : "./hrtfs/elev65/L65e185a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e185a.dat right
+[ 31, 36 ] = ascii (fp) : "./hrtfs/elev65/L65e180a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e180a.dat right
+[ 31, 37 ] = ascii (fp) : "./hrtfs/elev65/L65e175a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e175a.dat right
+[ 31, 38 ] = ascii (fp) : "./hrtfs/elev65/L65e170a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e170a.dat right
+[ 31, 39 ] = ascii (fp) : "./hrtfs/elev65/L65e165a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e165a.dat right
+[ 31, 40 ] = ascii (fp) : "./hrtfs/elev65/L65e160a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e160a.dat right
+[ 31, 41 ] = ascii (fp) : "./hrtfs/elev65/L65e155a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e155a.dat right
+[ 31, 42 ] = ascii (fp) : "./hrtfs/elev65/L65e150a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e150a.dat right
+[ 31, 43 ] = ascii (fp) : "./hrtfs/elev65/L65e145a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e145a.dat right
+[ 31, 44 ] = ascii (fp) : "./hrtfs/elev65/L65e140a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e140a.dat right
+[ 31, 45 ] = ascii (fp) : "./hrtfs/elev65/L65e135a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e135a.dat right
+[ 31, 46 ] = ascii (fp) : "./hrtfs/elev65/L65e130a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e130a.dat right
+[ 31, 47 ] = ascii (fp) : "./hrtfs/elev65/L65e125a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e125a.dat right
+[ 31, 48 ] = ascii (fp) : "./hrtfs/elev65/L65e120a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e120a.dat right
+[ 31, 49 ] = ascii (fp) : "./hrtfs/elev65/L65e115a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e115a.dat right
+[ 31, 50 ] = ascii (fp) : "./hrtfs/elev65/L65e110a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e110a.dat right
+[ 31, 51 ] = ascii (fp) : "./hrtfs/elev65/L65e105a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e105a.dat right
+[ 31, 52 ] = ascii (fp) : "./hrtfs/elev65/L65e100a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e100a.dat right
+[ 31, 53 ] = ascii (fp) : "./hrtfs/elev65/L65e095a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e095a.dat right
+[ 31, 54 ] = ascii (fp) : "./hrtfs/elev65/L65e090a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e090a.dat right
+[ 31, 55 ] = ascii (fp) : "./hrtfs/elev65/L65e085a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e085a.dat right
+[ 31, 56 ] = ascii (fp) : "./hrtfs/elev65/L65e080a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e080a.dat right
+[ 31, 57 ] = ascii (fp) : "./hrtfs/elev65/L65e075a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e075a.dat right
+[ 31, 58 ] = ascii (fp) : "./hrtfs/elev65/L65e070a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e070a.dat right
+[ 31, 59 ] = ascii (fp) : "./hrtfs/elev65/L65e065a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e065a.dat right
+[ 31, 60 ] = ascii (fp) : "./hrtfs/elev65/L65e060a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e060a.dat right
+[ 31, 61 ] = ascii (fp) : "./hrtfs/elev65/L65e055a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e055a.dat right
+[ 31, 62 ] = ascii (fp) : "./hrtfs/elev65/L65e050a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e050a.dat right
+[ 31, 63 ] = ascii (fp) : "./hrtfs/elev65/L65e045a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e045a.dat right
+[ 31, 64 ] = ascii (fp) : "./hrtfs/elev65/L65e040a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e040a.dat right
+[ 31, 65 ] = ascii (fp) : "./hrtfs/elev65/L65e035a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e035a.dat right
+[ 31, 66 ] = ascii (fp) : "./hrtfs/elev65/L65e030a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e030a.dat right
+[ 31, 67 ] = ascii (fp) : "./hrtfs/elev65/L65e025a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e025a.dat right
+[ 31, 68 ] = ascii (fp) : "./hrtfs/elev65/L65e020a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e020a.dat right
+[ 31, 69 ] = ascii (fp) : "./hrtfs/elev65/L65e015a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e015a.dat right
+[ 31, 70 ] = ascii (fp) : "./hrtfs/elev65/L65e010a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e010a.dat right
+[ 31, 71 ] = ascii (fp) : "./hrtfs/elev65/L65e005a.dat left
+           + ascii (fp) : "./hrtfs/elev65/R65e005a.dat right
 
-[ 32,  0 ] = ascii (fp) : "./hrtfs/elev70/L70e000a.dat"
-[ 32,  1 ] = ascii (fp) : "./hrtfs/elev70/L70e355a.dat"
-[ 32,  2 ] = ascii (fp) : "./hrtfs/elev70/L70e350a.dat"
-[ 32,  3 ] = ascii (fp) : "./hrtfs/elev70/L70e345a.dat"
-[ 32,  4 ] = ascii (fp) : "./hrtfs/elev70/L70e340a.dat"
-[ 32,  5 ] = ascii (fp) : "./hrtfs/elev70/L70e335a.dat"
-[ 32,  6 ] = ascii (fp) : "./hrtfs/elev70/L70e330a.dat"
-[ 32,  7 ] = ascii (fp) : "./hrtfs/elev70/L70e325a.dat"
-[ 32,  8 ] = ascii (fp) : "./hrtfs/elev70/L70e320a.dat"
-[ 32,  9 ] = ascii (fp) : "./hrtfs/elev70/L70e315a.dat"
-[ 32, 10 ] = ascii (fp) : "./hrtfs/elev70/L70e310a.dat"
-[ 32, 11 ] = ascii (fp) : "./hrtfs/elev70/L70e305a.dat"
-[ 32, 12 ] = ascii (fp) : "./hrtfs/elev70/L70e300a.dat"
-[ 32, 13 ] = ascii (fp) : "./hrtfs/elev70/L70e295a.dat"
-[ 32, 14 ] = ascii (fp) : "./hrtfs/elev70/L70e290a.dat"
-[ 32, 15 ] = ascii (fp) : "./hrtfs/elev70/L70e285a.dat"
-[ 32, 16 ] = ascii (fp) : "./hrtfs/elev70/L70e280a.dat"
-[ 32, 17 ] = ascii (fp) : "./hrtfs/elev70/L70e275a.dat"
-[ 32, 18 ] = ascii (fp) : "./hrtfs/elev70/L70e270a.dat"
-[ 32, 19 ] = ascii (fp) : "./hrtfs/elev70/L70e265a.dat"
-[ 32, 20 ] = ascii (fp) : "./hrtfs/elev70/L70e260a.dat"
-[ 32, 21 ] = ascii (fp) : "./hrtfs/elev70/L70e255a.dat"
-[ 32, 22 ] = ascii (fp) : "./hrtfs/elev70/L70e250a.dat"
-[ 32, 23 ] = ascii (fp) : "./hrtfs/elev70/L70e245a.dat"
-[ 32, 24 ] = ascii (fp) : "./hrtfs/elev70/L70e240a.dat"
-[ 32, 25 ] = ascii (fp) : "./hrtfs/elev70/L70e235a.dat"
-[ 32, 26 ] = ascii (fp) : "./hrtfs/elev70/L70e230a.dat"
-[ 32, 27 ] = ascii (fp) : "./hrtfs/elev70/L70e225a.dat"
-[ 32, 28 ] = ascii (fp) : "./hrtfs/elev70/L70e220a.dat"
-[ 32, 29 ] = ascii (fp) : "./hrtfs/elev70/L70e215a.dat"
-[ 32, 30 ] = ascii (fp) : "./hrtfs/elev70/L70e210a.dat"
-[ 32, 31 ] = ascii (fp) : "./hrtfs/elev70/L70e205a.dat"
-[ 32, 32 ] = ascii (fp) : "./hrtfs/elev70/L70e200a.dat"
-[ 32, 33 ] = ascii (fp) : "./hrtfs/elev70/L70e195a.dat"
-[ 32, 34 ] = ascii (fp) : "./hrtfs/elev70/L70e190a.dat"
-[ 32, 35 ] = ascii (fp) : "./hrtfs/elev70/L70e185a.dat"
-[ 32, 36 ] = ascii (fp) : "./hrtfs/elev70/L70e180a.dat"
-[ 32, 37 ] = ascii (fp) : "./hrtfs/elev70/L70e175a.dat"
-[ 32, 38 ] = ascii (fp) : "./hrtfs/elev70/L70e170a.dat"
-[ 32, 39 ] = ascii (fp) : "./hrtfs/elev70/L70e165a.dat"
-[ 32, 40 ] = ascii (fp) : "./hrtfs/elev70/L70e160a.dat"
-[ 32, 41 ] = ascii (fp) : "./hrtfs/elev70/L70e155a.dat"
-[ 32, 42 ] = ascii (fp) : "./hrtfs/elev70/L70e150a.dat"
-[ 32, 43 ] = ascii (fp) : "./hrtfs/elev70/L70e145a.dat"
-[ 32, 44 ] = ascii (fp) : "./hrtfs/elev70/L70e140a.dat"
-[ 32, 45 ] = ascii (fp) : "./hrtfs/elev70/L70e135a.dat"
-[ 32, 46 ] = ascii (fp) : "./hrtfs/elev70/L70e130a.dat"
-[ 32, 47 ] = ascii (fp) : "./hrtfs/elev70/L70e125a.dat"
-[ 32, 48 ] = ascii (fp) : "./hrtfs/elev70/L70e120a.dat"
-[ 32, 49 ] = ascii (fp) : "./hrtfs/elev70/L70e115a.dat"
-[ 32, 50 ] = ascii (fp) : "./hrtfs/elev70/L70e110a.dat"
-[ 32, 51 ] = ascii (fp) : "./hrtfs/elev70/L70e105a.dat"
-[ 32, 52 ] = ascii (fp) : "./hrtfs/elev70/L70e100a.dat"
-[ 32, 53 ] = ascii (fp) : "./hrtfs/elev70/L70e095a.dat"
-[ 32, 54 ] = ascii (fp) : "./hrtfs/elev70/L70e090a.dat"
-[ 32, 55 ] = ascii (fp) : "./hrtfs/elev70/L70e085a.dat"
-[ 32, 56 ] = ascii (fp) : "./hrtfs/elev70/L70e080a.dat"
-[ 32, 57 ] = ascii (fp) : "./hrtfs/elev70/L70e075a.dat"
-[ 32, 58 ] = ascii (fp) : "./hrtfs/elev70/L70e070a.dat"
-[ 32, 59 ] = ascii (fp) : "./hrtfs/elev70/L70e065a.dat"
-[ 32, 60 ] = ascii (fp) : "./hrtfs/elev70/L70e060a.dat"
-[ 32, 61 ] = ascii (fp) : "./hrtfs/elev70/L70e055a.dat"
-[ 32, 62 ] = ascii (fp) : "./hrtfs/elev70/L70e050a.dat"
-[ 32, 63 ] = ascii (fp) : "./hrtfs/elev70/L70e045a.dat"
-[ 32, 64 ] = ascii (fp) : "./hrtfs/elev70/L70e040a.dat"
-[ 32, 65 ] = ascii (fp) : "./hrtfs/elev70/L70e035a.dat"
-[ 32, 66 ] = ascii (fp) : "./hrtfs/elev70/L70e030a.dat"
-[ 32, 67 ] = ascii (fp) : "./hrtfs/elev70/L70e025a.dat"
-[ 32, 68 ] = ascii (fp) : "./hrtfs/elev70/L70e020a.dat"
-[ 32, 69 ] = ascii (fp) : "./hrtfs/elev70/L70e015a.dat"
-[ 32, 70 ] = ascii (fp) : "./hrtfs/elev70/L70e010a.dat"
-[ 32, 71 ] = ascii (fp) : "./hrtfs/elev70/L70e005a.dat"
+[ 32,  0 ] = ascii (fp) : "./hrtfs/elev70/L70e000a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e000a.dat right
+[ 32,  1 ] = ascii (fp) : "./hrtfs/elev70/L70e355a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e355a.dat right
+[ 32,  2 ] = ascii (fp) : "./hrtfs/elev70/L70e350a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e350a.dat right
+[ 32,  3 ] = ascii (fp) : "./hrtfs/elev70/L70e345a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e345a.dat right
+[ 32,  4 ] = ascii (fp) : "./hrtfs/elev70/L70e340a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e340a.dat right
+[ 32,  5 ] = ascii (fp) : "./hrtfs/elev70/L70e335a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e335a.dat right
+[ 32,  6 ] = ascii (fp) : "./hrtfs/elev70/L70e330a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e330a.dat right
+[ 32,  7 ] = ascii (fp) : "./hrtfs/elev70/L70e325a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e325a.dat right
+[ 32,  8 ] = ascii (fp) : "./hrtfs/elev70/L70e320a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e320a.dat right
+[ 32,  9 ] = ascii (fp) : "./hrtfs/elev70/L70e315a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e315a.dat right
+[ 32, 10 ] = ascii (fp) : "./hrtfs/elev70/L70e310a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e310a.dat right
+[ 32, 11 ] = ascii (fp) : "./hrtfs/elev70/L70e305a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e305a.dat right
+[ 32, 12 ] = ascii (fp) : "./hrtfs/elev70/L70e300a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e300a.dat right
+[ 32, 13 ] = ascii (fp) : "./hrtfs/elev70/L70e295a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e295a.dat right
+[ 32, 14 ] = ascii (fp) : "./hrtfs/elev70/L70e290a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e290a.dat right
+[ 32, 15 ] = ascii (fp) : "./hrtfs/elev70/L70e285a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e285a.dat right
+[ 32, 16 ] = ascii (fp) : "./hrtfs/elev70/L70e280a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e280a.dat right
+[ 32, 17 ] = ascii (fp) : "./hrtfs/elev70/L70e275a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e275a.dat right
+[ 32, 18 ] = ascii (fp) : "./hrtfs/elev70/L70e270a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e270a.dat right
+[ 32, 19 ] = ascii (fp) : "./hrtfs/elev70/L70e265a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e265a.dat right
+[ 32, 20 ] = ascii (fp) : "./hrtfs/elev70/L70e260a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e260a.dat right
+[ 32, 21 ] = ascii (fp) : "./hrtfs/elev70/L70e255a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e255a.dat right
+[ 32, 22 ] = ascii (fp) : "./hrtfs/elev70/L70e250a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e250a.dat right
+[ 32, 23 ] = ascii (fp) : "./hrtfs/elev70/L70e245a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e245a.dat right
+[ 32, 24 ] = ascii (fp) : "./hrtfs/elev70/L70e240a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e240a.dat right
+[ 32, 25 ] = ascii (fp) : "./hrtfs/elev70/L70e235a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e235a.dat right
+[ 32, 26 ] = ascii (fp) : "./hrtfs/elev70/L70e230a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e230a.dat right
+[ 32, 27 ] = ascii (fp) : "./hrtfs/elev70/L70e225a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e225a.dat right
+[ 32, 28 ] = ascii (fp) : "./hrtfs/elev70/L70e220a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e220a.dat right
+[ 32, 29 ] = ascii (fp) : "./hrtfs/elev70/L70e215a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e215a.dat right
+[ 32, 30 ] = ascii (fp) : "./hrtfs/elev70/L70e210a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e210a.dat right
+[ 32, 31 ] = ascii (fp) : "./hrtfs/elev70/L70e205a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e205a.dat right
+[ 32, 32 ] = ascii (fp) : "./hrtfs/elev70/L70e200a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e200a.dat right
+[ 32, 33 ] = ascii (fp) : "./hrtfs/elev70/L70e195a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e195a.dat right
+[ 32, 34 ] = ascii (fp) : "./hrtfs/elev70/L70e190a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e190a.dat right
+[ 32, 35 ] = ascii (fp) : "./hrtfs/elev70/L70e185a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e185a.dat right
+[ 32, 36 ] = ascii (fp) : "./hrtfs/elev70/L70e180a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e180a.dat right
+[ 32, 37 ] = ascii (fp) : "./hrtfs/elev70/L70e175a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e175a.dat right
+[ 32, 38 ] = ascii (fp) : "./hrtfs/elev70/L70e170a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e170a.dat right
+[ 32, 39 ] = ascii (fp) : "./hrtfs/elev70/L70e165a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e165a.dat right
+[ 32, 40 ] = ascii (fp) : "./hrtfs/elev70/L70e160a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e160a.dat right
+[ 32, 41 ] = ascii (fp) : "./hrtfs/elev70/L70e155a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e155a.dat right
+[ 32, 42 ] = ascii (fp) : "./hrtfs/elev70/L70e150a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e150a.dat right
+[ 32, 43 ] = ascii (fp) : "./hrtfs/elev70/L70e145a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e145a.dat right
+[ 32, 44 ] = ascii (fp) : "./hrtfs/elev70/L70e140a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e140a.dat right
+[ 32, 45 ] = ascii (fp) : "./hrtfs/elev70/L70e135a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e135a.dat right
+[ 32, 46 ] = ascii (fp) : "./hrtfs/elev70/L70e130a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e130a.dat right
+[ 32, 47 ] = ascii (fp) : "./hrtfs/elev70/L70e125a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e125a.dat right
+[ 32, 48 ] = ascii (fp) : "./hrtfs/elev70/L70e120a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e120a.dat right
+[ 32, 49 ] = ascii (fp) : "./hrtfs/elev70/L70e115a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e115a.dat right
+[ 32, 50 ] = ascii (fp) : "./hrtfs/elev70/L70e110a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e110a.dat right
+[ 32, 51 ] = ascii (fp) : "./hrtfs/elev70/L70e105a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e105a.dat right
+[ 32, 52 ] = ascii (fp) : "./hrtfs/elev70/L70e100a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e100a.dat right
+[ 32, 53 ] = ascii (fp) : "./hrtfs/elev70/L70e095a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e095a.dat right
+[ 32, 54 ] = ascii (fp) : "./hrtfs/elev70/L70e090a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e090a.dat right
+[ 32, 55 ] = ascii (fp) : "./hrtfs/elev70/L70e085a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e085a.dat right
+[ 32, 56 ] = ascii (fp) : "./hrtfs/elev70/L70e080a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e080a.dat right
+[ 32, 57 ] = ascii (fp) : "./hrtfs/elev70/L70e075a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e075a.dat right
+[ 32, 58 ] = ascii (fp) : "./hrtfs/elev70/L70e070a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e070a.dat right
+[ 32, 59 ] = ascii (fp) : "./hrtfs/elev70/L70e065a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e065a.dat right
+[ 32, 60 ] = ascii (fp) : "./hrtfs/elev70/L70e060a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e060a.dat right
+[ 32, 61 ] = ascii (fp) : "./hrtfs/elev70/L70e055a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e055a.dat right
+[ 32, 62 ] = ascii (fp) : "./hrtfs/elev70/L70e050a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e050a.dat right
+[ 32, 63 ] = ascii (fp) : "./hrtfs/elev70/L70e045a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e045a.dat right
+[ 32, 64 ] = ascii (fp) : "./hrtfs/elev70/L70e040a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e040a.dat right
+[ 32, 65 ] = ascii (fp) : "./hrtfs/elev70/L70e035a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e035a.dat right
+[ 32, 66 ] = ascii (fp) : "./hrtfs/elev70/L70e030a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e030a.dat right
+[ 32, 67 ] = ascii (fp) : "./hrtfs/elev70/L70e025a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e025a.dat right
+[ 32, 68 ] = ascii (fp) : "./hrtfs/elev70/L70e020a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e020a.dat right
+[ 32, 69 ] = ascii (fp) : "./hrtfs/elev70/L70e015a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e015a.dat right
+[ 32, 70 ] = ascii (fp) : "./hrtfs/elev70/L70e010a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e010a.dat right
+[ 32, 71 ] = ascii (fp) : "./hrtfs/elev70/L70e005a.dat left
+           + ascii (fp) : "./hrtfs/elev70/R70e005a.dat right
 
-[ 33,  0 ] = ascii (fp) : "./hrtfs/elev75/L75e000a.dat"
-[ 33,  1 ] = ascii (fp) : "./hrtfs/elev75/L75e355a.dat"
-[ 33,  2 ] = ascii (fp) : "./hrtfs/elev75/L75e350a.dat"
-[ 33,  3 ] = ascii (fp) : "./hrtfs/elev75/L75e345a.dat"
-[ 33,  4 ] = ascii (fp) : "./hrtfs/elev75/L75e340a.dat"
-[ 33,  5 ] = ascii (fp) : "./hrtfs/elev75/L75e335a.dat"
-[ 33,  6 ] = ascii (fp) : "./hrtfs/elev75/L75e330a.dat"
-[ 33,  7 ] = ascii (fp) : "./hrtfs/elev75/L75e325a.dat"
-[ 33,  8 ] = ascii (fp) : "./hrtfs/elev75/L75e320a.dat"
-[ 33,  9 ] = ascii (fp) : "./hrtfs/elev75/L75e315a.dat"
-[ 33, 10 ] = ascii (fp) : "./hrtfs/elev75/L75e310a.dat"
-[ 33, 11 ] = ascii (fp) : "./hrtfs/elev75/L75e305a.dat"
-[ 33, 12 ] = ascii (fp) : "./hrtfs/elev75/L75e300a.dat"
-[ 33, 13 ] = ascii (fp) : "./hrtfs/elev75/L75e295a.dat"
-[ 33, 14 ] = ascii (fp) : "./hrtfs/elev75/L75e290a.dat"
-[ 33, 15 ] = ascii (fp) : "./hrtfs/elev75/L75e285a.dat"
-[ 33, 16 ] = ascii (fp) : "./hrtfs/elev75/L75e280a.dat"
-[ 33, 17 ] = ascii (fp) : "./hrtfs/elev75/L75e275a.dat"
-[ 33, 18 ] = ascii (fp) : "./hrtfs/elev75/L75e270a.dat"
-[ 33, 19 ] = ascii (fp) : "./hrtfs/elev75/L75e265a.dat"
-[ 33, 20 ] = ascii (fp) : "./hrtfs/elev75/L75e260a.dat"
-[ 33, 21 ] = ascii (fp) : "./hrtfs/elev75/L75e255a.dat"
-[ 33, 22 ] = ascii (fp) : "./hrtfs/elev75/L75e250a.dat"
-[ 33, 23 ] = ascii (fp) : "./hrtfs/elev75/L75e245a.dat"
-[ 33, 24 ] = ascii (fp) : "./hrtfs/elev75/L75e240a.dat"
-[ 33, 25 ] = ascii (fp) : "./hrtfs/elev75/L75e235a.dat"
-[ 33, 26 ] = ascii (fp) : "./hrtfs/elev75/L75e230a.dat"
-[ 33, 27 ] = ascii (fp) : "./hrtfs/elev75/L75e225a.dat"
-[ 33, 28 ] = ascii (fp) : "./hrtfs/elev75/L75e220a.dat"
-[ 33, 29 ] = ascii (fp) : "./hrtfs/elev75/L75e215a.dat"
-[ 33, 30 ] = ascii (fp) : "./hrtfs/elev75/L75e210a.dat"
-[ 33, 31 ] = ascii (fp) : "./hrtfs/elev75/L75e205a.dat"
-[ 33, 32 ] = ascii (fp) : "./hrtfs/elev75/L75e200a.dat"
-[ 33, 33 ] = ascii (fp) : "./hrtfs/elev75/L75e195a.dat"
-[ 33, 34 ] = ascii (fp) : "./hrtfs/elev75/L75e190a.dat"
-[ 33, 35 ] = ascii (fp) : "./hrtfs/elev75/L75e185a.dat"
-[ 33, 36 ] = ascii (fp) : "./hrtfs/elev75/L75e180a.dat"
-[ 33, 37 ] = ascii (fp) : "./hrtfs/elev75/L75e175a.dat"
-[ 33, 38 ] = ascii (fp) : "./hrtfs/elev75/L75e170a.dat"
-[ 33, 39 ] = ascii (fp) : "./hrtfs/elev75/L75e165a.dat"
-[ 33, 40 ] = ascii (fp) : "./hrtfs/elev75/L75e160a.dat"
-[ 33, 41 ] = ascii (fp) : "./hrtfs/elev75/L75e155a.dat"
-[ 33, 42 ] = ascii (fp) : "./hrtfs/elev75/L75e150a.dat"
-[ 33, 43 ] = ascii (fp) : "./hrtfs/elev75/L75e145a.dat"
-[ 33, 44 ] = ascii (fp) : "./hrtfs/elev75/L75e140a.dat"
-[ 33, 45 ] = ascii (fp) : "./hrtfs/elev75/L75e135a.dat"
-[ 33, 46 ] = ascii (fp) : "./hrtfs/elev75/L75e130a.dat"
-[ 33, 47 ] = ascii (fp) : "./hrtfs/elev75/L75e125a.dat"
-[ 33, 48 ] = ascii (fp) : "./hrtfs/elev75/L75e120a.dat"
-[ 33, 49 ] = ascii (fp) : "./hrtfs/elev75/L75e115a.dat"
-[ 33, 50 ] = ascii (fp) : "./hrtfs/elev75/L75e110a.dat"
-[ 33, 51 ] = ascii (fp) : "./hrtfs/elev75/L75e105a.dat"
-[ 33, 52 ] = ascii (fp) : "./hrtfs/elev75/L75e100a.dat"
-[ 33, 53 ] = ascii (fp) : "./hrtfs/elev75/L75e095a.dat"
-[ 33, 54 ] = ascii (fp) : "./hrtfs/elev75/L75e090a.dat"
-[ 33, 55 ] = ascii (fp) : "./hrtfs/elev75/L75e085a.dat"
-[ 33, 56 ] = ascii (fp) : "./hrtfs/elev75/L75e080a.dat"
-[ 33, 57 ] = ascii (fp) : "./hrtfs/elev75/L75e075a.dat"
-[ 33, 58 ] = ascii (fp) : "./hrtfs/elev75/L75e070a.dat"
-[ 33, 59 ] = ascii (fp) : "./hrtfs/elev75/L75e065a.dat"
-[ 33, 60 ] = ascii (fp) : "./hrtfs/elev75/L75e060a.dat"
-[ 33, 61 ] = ascii (fp) : "./hrtfs/elev75/L75e055a.dat"
-[ 33, 62 ] = ascii (fp) : "./hrtfs/elev75/L75e050a.dat"
-[ 33, 63 ] = ascii (fp) : "./hrtfs/elev75/L75e045a.dat"
-[ 33, 64 ] = ascii (fp) : "./hrtfs/elev75/L75e040a.dat"
-[ 33, 65 ] = ascii (fp) : "./hrtfs/elev75/L75e035a.dat"
-[ 33, 66 ] = ascii (fp) : "./hrtfs/elev75/L75e030a.dat"
-[ 33, 67 ] = ascii (fp) : "./hrtfs/elev75/L75e025a.dat"
-[ 33, 68 ] = ascii (fp) : "./hrtfs/elev75/L75e020a.dat"
-[ 33, 69 ] = ascii (fp) : "./hrtfs/elev75/L75e015a.dat"
-[ 33, 70 ] = ascii (fp) : "./hrtfs/elev75/L75e010a.dat"
-[ 33, 71 ] = ascii (fp) : "./hrtfs/elev75/L75e005a.dat"
+[ 33,  0 ] = ascii (fp) : "./hrtfs/elev75/L75e000a.dat left
+           + ascii (fp) : "./hrtfs/elev75/R75e000a.dat right
+[ 33,  1 ] = ascii (fp) : "./hrtfs/elev75/L75e355a.dat left
+           + ascii (fp) : "./hrtfs/elev75/R75e355a.dat right
+[ 33,  2 ] = ascii (fp) : "./hrtfs/elev75/L75e350a.dat left
+           + ascii (fp) : "./hrtfs/elev75/R75e350a.dat right
+[ 33,  3 ] = ascii (fp) : "./hrtfs/elev75/L75e345a.dat left
+           + ascii (fp) : "./hrtfs/elev75/R75e345a.dat right
+[ 33,  4 ] = ascii (fp) : "./hrtfs/elev75/L75e340a.dat left
+           + ascii (fp) : "./hrtfs/elev75/R75e340a.dat right
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-[ 34,  4 ] = ascii (fp) : "./hrtfs/elev80/L80e340a.dat"
-[ 34,  5 ] = ascii (fp) : "./hrtfs/elev80/L80e335a.dat"
-[ 34,  6 ] = ascii (fp) : "./hrtfs/elev80/L80e330a.dat"
-[ 34,  7 ] = ascii (fp) : "./hrtfs/elev80/L80e325a.dat"
-[ 34,  8 ] = ascii (fp) : "./hrtfs/elev80/L80e320a.dat"
-[ 34,  9 ] = ascii (fp) : "./hrtfs/elev80/L80e315a.dat"
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-[ 34, 11 ] = ascii (fp) : "./hrtfs/elev80/L80e305a.dat"
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-[ 34, 13 ] = ascii (fp) : "./hrtfs/elev80/L80e295a.dat"
-[ 34, 14 ] = ascii (fp) : "./hrtfs/elev80/L80e290a.dat"
-[ 34, 15 ] = ascii (fp) : "./hrtfs/elev80/L80e285a.dat"
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-[ 34, 17 ] = ascii (fp) : "./hrtfs/elev80/L80e275a.dat"
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-[ 34, 21 ] = ascii (fp) : "./hrtfs/elev80/L80e255a.dat"
-[ 34, 22 ] = ascii (fp) : "./hrtfs/elev80/L80e250a.dat"
-[ 34, 23 ] = ascii (fp) : "./hrtfs/elev80/L80e245a.dat"
-[ 34, 24 ] = ascii (fp) : "./hrtfs/elev80/L80e240a.dat"
-[ 34, 25 ] = ascii (fp) : "./hrtfs/elev80/L80e235a.dat"
-[ 34, 26 ] = ascii (fp) : "./hrtfs/elev80/L80e230a.dat"
-[ 34, 27 ] = ascii (fp) : "./hrtfs/elev80/L80e225a.dat"
-[ 34, 28 ] = ascii (fp) : "./hrtfs/elev80/L80e220a.dat"
-[ 34, 29 ] = ascii (fp) : "./hrtfs/elev80/L80e215a.dat"
-[ 34, 30 ] = ascii (fp) : "./hrtfs/elev80/L80e210a.dat"
-[ 34, 31 ] = ascii (fp) : "./hrtfs/elev80/L80e205a.dat"
-[ 34, 32 ] = ascii (fp) : "./hrtfs/elev80/L80e200a.dat"
-[ 34, 33 ] = ascii (fp) : "./hrtfs/elev80/L80e195a.dat"
-[ 34, 34 ] = ascii (fp) : "./hrtfs/elev80/L80e190a.dat"
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-[ 34, 38 ] = ascii (fp) : "./hrtfs/elev80/L80e170a.dat"
-[ 34, 39 ] = ascii (fp) : "./hrtfs/elev80/L80e165a.dat"
-[ 34, 40 ] = ascii (fp) : "./hrtfs/elev80/L80e160a.dat"
-[ 34, 41 ] = ascii (fp) : "./hrtfs/elev80/L80e155a.dat"
-[ 34, 42 ] = ascii (fp) : "./hrtfs/elev80/L80e150a.dat"
-[ 34, 43 ] = ascii (fp) : "./hrtfs/elev80/L80e145a.dat"
-[ 34, 44 ] = ascii (fp) : "./hrtfs/elev80/L80e140a.dat"
-[ 34, 45 ] = ascii (fp) : "./hrtfs/elev80/L80e135a.dat"
-[ 34, 46 ] = ascii (fp) : "./hrtfs/elev80/L80e130a.dat"
-[ 34, 47 ] = ascii (fp) : "./hrtfs/elev80/L80e125a.dat"
-[ 34, 48 ] = ascii (fp) : "./hrtfs/elev80/L80e120a.dat"
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-[ 34, 51 ] = ascii (fp) : "./hrtfs/elev80/L80e105a.dat"
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-[ 34, 53 ] = ascii (fp) : "./hrtfs/elev80/L80e095a.dat"
-[ 34, 54 ] = ascii (fp) : "./hrtfs/elev80/L80e090a.dat"
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-[ 34, 58 ] = ascii (fp) : "./hrtfs/elev80/L80e070a.dat"
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-[ 35,  1 ] = ascii (fp) : "./hrtfs/elev85/L85e355a.dat"
-[ 35,  2 ] = ascii (fp) : "./hrtfs/elev85/L85e350a.dat"
-[ 35,  3 ] = ascii (fp) : "./hrtfs/elev85/L85e345a.dat"
-[ 35,  4 ] = ascii (fp) : "./hrtfs/elev85/L85e340a.dat"
-[ 35,  5 ] = ascii (fp) : "./hrtfs/elev85/L85e335a.dat"
-[ 35,  6 ] = ascii (fp) : "./hrtfs/elev85/L85e330a.dat"
-[ 35,  7 ] = ascii (fp) : "./hrtfs/elev85/L85e325a.dat"
-[ 35,  8 ] = ascii (fp) : "./hrtfs/elev85/L85e320a.dat"
-[ 35,  9 ] = ascii (fp) : "./hrtfs/elev85/L85e315a.dat"
-[ 35, 10 ] = ascii (fp) : "./hrtfs/elev85/L85e310a.dat"
-[ 35, 11 ] = ascii (fp) : "./hrtfs/elev85/L85e305a.dat"
-[ 35, 12 ] = ascii (fp) : "./hrtfs/elev85/L85e300a.dat"
-[ 35, 13 ] = ascii (fp) : "./hrtfs/elev85/L85e295a.dat"
-[ 35, 14 ] = ascii (fp) : "./hrtfs/elev85/L85e290a.dat"
-[ 35, 15 ] = ascii (fp) : "./hrtfs/elev85/L85e285a.dat"
-[ 35, 16 ] = ascii (fp) : "./hrtfs/elev85/L85e280a.dat"
-[ 35, 17 ] = ascii (fp) : "./hrtfs/elev85/L85e275a.dat"
-[ 35, 18 ] = ascii (fp) : "./hrtfs/elev85/L85e270a.dat"
-[ 35, 19 ] = ascii (fp) : "./hrtfs/elev85/L85e265a.dat"
-[ 35, 20 ] = ascii (fp) : "./hrtfs/elev85/L85e260a.dat"
-[ 35, 21 ] = ascii (fp) : "./hrtfs/elev85/L85e255a.dat"
-[ 35, 22 ] = ascii (fp) : "./hrtfs/elev85/L85e250a.dat"
-[ 35, 23 ] = ascii (fp) : "./hrtfs/elev85/L85e245a.dat"
-[ 35, 24 ] = ascii (fp) : "./hrtfs/elev85/L85e240a.dat"
-[ 35, 25 ] = ascii (fp) : "./hrtfs/elev85/L85e235a.dat"
-[ 35, 26 ] = ascii (fp) : "./hrtfs/elev85/L85e230a.dat"
-[ 35, 27 ] = ascii (fp) : "./hrtfs/elev85/L85e225a.dat"
-[ 35, 28 ] = ascii (fp) : "./hrtfs/elev85/L85e220a.dat"
-[ 35, 29 ] = ascii (fp) : "./hrtfs/elev85/L85e215a.dat"
-[ 35, 30 ] = ascii (fp) : "./hrtfs/elev85/L85e210a.dat"
-[ 35, 31 ] = ascii (fp) : "./hrtfs/elev85/L85e205a.dat"
-[ 35, 32 ] = ascii (fp) : "./hrtfs/elev85/L85e200a.dat"
-[ 35, 33 ] = ascii (fp) : "./hrtfs/elev85/L85e195a.dat"
-[ 35, 34 ] = ascii (fp) : "./hrtfs/elev85/L85e190a.dat"
-[ 35, 35 ] = ascii (fp) : "./hrtfs/elev85/L85e185a.dat"
-[ 35, 36 ] = ascii (fp) : "./hrtfs/elev85/L85e180a.dat"
-[ 35, 37 ] = ascii (fp) : "./hrtfs/elev85/L85e175a.dat"
-[ 35, 38 ] = ascii (fp) : "./hrtfs/elev85/L85e170a.dat"
-[ 35, 39 ] = ascii (fp) : "./hrtfs/elev85/L85e165a.dat"
-[ 35, 40 ] = ascii (fp) : "./hrtfs/elev85/L85e160a.dat"
-[ 35, 41 ] = ascii (fp) : "./hrtfs/elev85/L85e155a.dat"
-[ 35, 42 ] = ascii (fp) : "./hrtfs/elev85/L85e150a.dat"
-[ 35, 43 ] = ascii (fp) : "./hrtfs/elev85/L85e145a.dat"
-[ 35, 44 ] = ascii (fp) : "./hrtfs/elev85/L85e140a.dat"
-[ 35, 45 ] = ascii (fp) : "./hrtfs/elev85/L85e135a.dat"
-[ 35, 46 ] = ascii (fp) : "./hrtfs/elev85/L85e130a.dat"
-[ 35, 47 ] = ascii (fp) : "./hrtfs/elev85/L85e125a.dat"
-[ 35, 48 ] = ascii (fp) : "./hrtfs/elev85/L85e120a.dat"
-[ 35, 49 ] = ascii (fp) : "./hrtfs/elev85/L85e115a.dat"
-[ 35, 50 ] = ascii (fp) : "./hrtfs/elev85/L85e110a.dat"
-[ 35, 51 ] = ascii (fp) : "./hrtfs/elev85/L85e105a.dat"
-[ 35, 52 ] = ascii (fp) : "./hrtfs/elev85/L85e100a.dat"
-[ 35, 53 ] = ascii (fp) : "./hrtfs/elev85/L85e095a.dat"
-[ 35, 54 ] = ascii (fp) : "./hrtfs/elev85/L85e090a.dat"
-[ 35, 55 ] = ascii (fp) : "./hrtfs/elev85/L85e085a.dat"
-[ 35, 56 ] = ascii (fp) : "./hrtfs/elev85/L85e080a.dat"
-[ 35, 57 ] = ascii (fp) : "./hrtfs/elev85/L85e075a.dat"
-[ 35, 58 ] = ascii (fp) : "./hrtfs/elev85/L85e070a.dat"
-[ 35, 59 ] = ascii (fp) : "./hrtfs/elev85/L85e065a.dat"
-[ 35, 60 ] = ascii (fp) : "./hrtfs/elev85/L85e060a.dat"
-[ 35, 61 ] = ascii (fp) : "./hrtfs/elev85/L85e055a.dat"
-[ 35, 62 ] = ascii (fp) : "./hrtfs/elev85/L85e050a.dat"
-[ 35, 63 ] = ascii (fp) : "./hrtfs/elev85/L85e045a.dat"
-[ 35, 64 ] = ascii (fp) : "./hrtfs/elev85/L85e040a.dat"
-[ 35, 65 ] = ascii (fp) : "./hrtfs/elev85/L85e035a.dat"
-[ 35, 66 ] = ascii (fp) : "./hrtfs/elev85/L85e030a.dat"
-[ 35, 67 ] = ascii (fp) : "./hrtfs/elev85/L85e025a.dat"
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-[ 35, 70 ] = ascii (fp) : "./hrtfs/elev85/L85e010a.dat"
-[ 35, 71 ] = ascii (fp) : "./hrtfs/elev85/L85e005a.dat"
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+           + ascii (fp) : "./hrtfs/elev85/R85e100a.dat right
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+[ 35, 55 ] = ascii (fp) : "./hrtfs/elev85/L85e085a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e085a.dat right
+[ 35, 56 ] = ascii (fp) : "./hrtfs/elev85/L85e080a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e080a.dat right
+[ 35, 57 ] = ascii (fp) : "./hrtfs/elev85/L85e075a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e075a.dat right
+[ 35, 58 ] = ascii (fp) : "./hrtfs/elev85/L85e070a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e070a.dat right
+[ 35, 59 ] = ascii (fp) : "./hrtfs/elev85/L85e065a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e065a.dat right
+[ 35, 60 ] = ascii (fp) : "./hrtfs/elev85/L85e060a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e060a.dat right
+[ 35, 61 ] = ascii (fp) : "./hrtfs/elev85/L85e055a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e055a.dat right
+[ 35, 62 ] = ascii (fp) : "./hrtfs/elev85/L85e050a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e050a.dat right
+[ 35, 63 ] = ascii (fp) : "./hrtfs/elev85/L85e045a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e045a.dat right
+[ 35, 64 ] = ascii (fp) : "./hrtfs/elev85/L85e040a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e040a.dat right
+[ 35, 65 ] = ascii (fp) : "./hrtfs/elev85/L85e035a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e035a.dat right
+[ 35, 66 ] = ascii (fp) : "./hrtfs/elev85/L85e030a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e030a.dat right
+[ 35, 67 ] = ascii (fp) : "./hrtfs/elev85/L85e025a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e025a.dat right
+[ 35, 68 ] = ascii (fp) : "./hrtfs/elev85/L85e020a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e020a.dat right
+[ 35, 69 ] = ascii (fp) : "./hrtfs/elev85/L85e015a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e015a.dat right
+[ 35, 70 ] = ascii (fp) : "./hrtfs/elev85/L85e010a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e010a.dat right
+[ 35, 71 ] = ascii (fp) : "./hrtfs/elev85/L85e005a.dat left
+           + ascii (fp) : "./hrtfs/elev85/R85e005a.dat right
 
-[ 36,  0 ] = ascii (fp) : "./hrtfs/elev90/L90e000a.dat"
+[ 36,  0 ] = ascii (fp) : "./hrtfs/elev90/L90e000a.dat left
+           + ascii (fp) : "./hrtfs/elev90/R90e000a.dat right
 
 
diff --git a/utils/IRC_1005.def b/utils/IRC_1005.def
index f5a16934..c2fd90b5 100644
--- a/utils/IRC_1005.def
+++ b/utils/IRC_1005.def
@@ -1,8 +1,8 @@
 # This is a makehrtf HRIR definition file.  It is used to define the layout
 # and source data to be processed into an OpenAL Soft compatible HRTF.
 #
-# This definition is used to transform an average of the left and right ear
-# HRIRs from any raw data set from the IRCAM/AKG Listen HRTF database.
+# This definition is used to transform the left and right ear HRIRs of any
+# raw data set from the IRCAM/AKG Listen HRTF database.
 #
 # The data sets are available free of charge from:
 #
@@ -17,405 +17,409 @@
 
 rate     = 44100
 
+# The IRCAM sets are stereo because they provide both ear HRIRs.
+type     = stereo
+
 # The raw sets have up to 8192 samples, but 2048 seems large enough.
 points   = 2048
 
-# The IRCAM sets are not as dense as the MIT set.
-azimuths = 1, 6, 12, 24, 24, 24, 24, 24, 24, 24, 12, 6, 1
-
 # No head radius was provided.  Just use the average radius of 9 cm.
 radius   = 0.09
 
-# The distance between the source and the listener (in meters).
+# The IRCAM sets are single-field (like most others) with a distance between
+# the source and the listener of 1.95 meters.
 distance = 1.95
 
+# This set isn't as dense as the MIT set.
+azimuths = 1, 6, 12, 24, 24, 24, 24, 24, 24, 24, 12, 6, 1
+
 # The IRCAM source azimuth is counter-clockwise, so it needs to be flipped.
-# Left and right ear HRIRs (from the respective WAVE channels) are averaged.
+# Left and right ear HRIRs (from the respective WAVE channels) are used to
+# create a stereo HRTF.
 
 # Replace all occurrences of IRC_#### for the desired subject (1005 was used
 # in this demonstration).
+[  3,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P315.wav" right
+[  3,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P315.wav" right
+[  3,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P315.wav" right
+[  3,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P315.wav" right
+[  3,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P315.wav" right
+[  3,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P315.wav" right
+[  3,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P315.wav" right
+[  3,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P315.wav" right
+[  3,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P315.wav" right
+[  3,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P315.wav" right
+[  3, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P315.wav" right
+[  3, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P315.wav" right
+[  3, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P315.wav" right
+[  3, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P315.wav" right
+[  3, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P315.wav" right
+[  3, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P315.wav" right
+[  3, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P315.wav" right
+[  3, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P315.wav" right
+[  3, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P315.wav" right
+[  3, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P315.wav" right
+[  3, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P315.wav" right
+[  3, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P315.wav" right
+[  3, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P315.wav" right
+[  3, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P315.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P315.wav" right
 
-[  3,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P315.wav"
-[  3,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P315.wav"
-[  3,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P315.wav"
-[  3,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P315.wav"
-[  3,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P315.wav"
-[  3,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P315.wav"
-[  3,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P315.wav"
-[  3,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P315.wav"
-[  3,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P315.wav"
-[  3,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P315.wav"
-[  3, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P315.wav"
-[  3, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P315.wav"
-[  3, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P315.wav"
-[  3, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P315.wav"
-[  3, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P315.wav"
-[  3, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P315.wav"
-[  3, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P315.wav"
-[  3, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P315.wav"
-[  3, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P315.wav"
-[  3, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P315.wav"
-[  3, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P315.wav"
-[  3, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P315.wav"
-[  3, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P315.wav"
-[  3, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P315.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P315.wav"
-
-[  4,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P330.wav"
-[  4,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P330.wav"
-[  4,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P330.wav"
-[  4,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P330.wav"
-[  4,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P330.wav"
-[  4,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P330.wav"
-[  4,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P330.wav"
-[  4,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P330.wav"
-[  4,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P330.wav"
-[  4,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P330.wav"
-[  4, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P330.wav"
-[  4, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P330.wav"
-[  4, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P330.wav"
-[  4, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P330.wav"
-[  4, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P330.wav"
-[  4, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P330.wav"
-[  4, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P330.wav"
-[  4, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P330.wav"
-[  4, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P330.wav"
-[  4, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P330.wav"
-[  4, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P330.wav"
-[  4, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P330.wav"
-[  4, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P330.wav"
-[  4, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P330.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P330.wav"
+[  4,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P330.wav" right
+[  4,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P330.wav" right
+[  4,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P330.wav" right
+[  4,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P330.wav" right
+[  4,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P330.wav" right
+[  4,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P330.wav" right
+[  4,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P330.wav" right
+[  4,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P330.wav" right
+[  4,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P330.wav" right
+[  4,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P330.wav" right
+[  4, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P330.wav" right
+[  4, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P330.wav" right
+[  4, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P330.wav" right
+[  4, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P330.wav" right
+[  4, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P330.wav" right
+[  4, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P330.wav" right
+[  4, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P330.wav" right
+[  4, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P330.wav" right
+[  4, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P330.wav" right
+[  4, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P330.wav" right
+[  4, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P330.wav" right
+[  4, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P330.wav" right
+[  4, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P330.wav" right
+[  4, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P330.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P330.wav" right
 
-[  5,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P345.wav"
-[  5,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P345.wav"
-[  5,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P345.wav"
-[  5,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P345.wav"
-[  5,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P345.wav"
-[  5,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P345.wav"
-[  5,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P345.wav"
-[  5,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P345.wav"
-[  5,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P345.wav"
-[  5,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P345.wav"
-[  5, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P345.wav"
-[  5, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P345.wav"
-[  5, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P345.wav"
-[  5, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P345.wav"
-[  5, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P345.wav"
-[  5, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P345.wav"
-[  5, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P345.wav"
-[  5, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P345.wav"
-[  5, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P345.wav"
-[  5, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P345.wav"
-[  5, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P345.wav"
-[  5, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P345.wav"
-[  5, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P345.wav"
-[  5, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P345.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P345.wav"
+[  5,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P345.wav" right
+[  5,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P345.wav" right
+[  5,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P345.wav" right
+[  5,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P345.wav" right
+[  5,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P345.wav" right
+[  5,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P345.wav" right
+[  5,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P345.wav" right
+[  5,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P345.wav" right
+[  5,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P345.wav" right
+[  5,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P345.wav" right
+[  5, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P345.wav" right
+[  5, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P345.wav" right
+[  5, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P345.wav" right
+[  5, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P345.wav" right
+[  5, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P345.wav" right
+[  5, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P345.wav" right
+[  5, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P345.wav" right
+[  5, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P345.wav" right
+[  5, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P345.wav" right
+[  5, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P345.wav" right
+[  5, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P345.wav" right
+[  5, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P345.wav" right
+[  5, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P345.wav" right
+[  5, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P345.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P345.wav" right
 
-[  6,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P000.wav"
-[  6,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P000.wav"
-[  6,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P000.wav"
-[  6,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P000.wav"
-[  6,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P000.wav"
-[  6,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P000.wav"
-[  6,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P000.wav"
-[  6,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P000.wav"
-[  6,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P000.wav"
-[  6,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P000.wav"
-[  6, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P000.wav"
-[  6, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P000.wav"
-[  6, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P000.wav"
-[  6, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P000.wav"
-[  6, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P000.wav"
-[  6, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P000.wav"
-[  6, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P000.wav"
-[  6, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P000.wav"
-[  6, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P000.wav"
-[  6, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P000.wav"
-[  6, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P000.wav"
-[  6, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P000.wav"
-[  6, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P000.wav"
-[  6, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P000.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P000.wav"
+[  6,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P000.wav" right
+[  6,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P000.wav" right
+[  6,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P000.wav" right
+[  6,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P000.wav" right
+[  6,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P000.wav" right
+[  6,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P000.wav" right
+[  6,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P000.wav" right
+[  6,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P000.wav" right
+[  6,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P000.wav" right
+[  6,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P000.wav" right
+[  6, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P000.wav" right
+[  6, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P000.wav" right
+[  6, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P000.wav" right
+[  6, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P000.wav" right
+[  6, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P000.wav" right
+[  6, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P000.wav" right
+[  6, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P000.wav" right
+[  6, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P000.wav" right
+[  6, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P000.wav" right
+[  6, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P000.wav" right
+[  6, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P000.wav" right
+[  6, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P000.wav" right
+[  6, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P000.wav" right
+[  6, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P000.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P000.wav" right
 
-[  7,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P015.wav"
-[  7,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P015.wav"
-[  7,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P015.wav"
-[  7,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P015.wav"
-[  7,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P015.wav"
-[  7,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P015.wav"
-[  7,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P015.wav"
-[  7,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P015.wav"
-[  7,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P015.wav"
-[  7,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P015.wav"
-[  7, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P015.wav"
-[  7, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P015.wav"
-[  7, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P015.wav"
-[  7, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P015.wav"
-[  7, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P015.wav"
-[  7, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P015.wav"
-[  7, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P015.wav"
-[  7, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P015.wav"
-[  7, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P015.wav"
-[  7, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P015.wav"
-[  7, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P015.wav"
-[  7, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P015.wav"
-[  7, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P015.wav"
-[  7, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P015.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P015.wav"
+[  7,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P015.wav" right
+[  7,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P015.wav" right
+[  7,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P015.wav" right
+[  7,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P015.wav" right
+[  7,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P015.wav" right
+[  7,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P015.wav" right
+[  7,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P015.wav" right
+[  7,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P015.wav" right
+[  7,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P015.wav" right
+[  7,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P015.wav" right
+[  7, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P015.wav" right
+[  7, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P015.wav" right
+[  7, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P015.wav" right
+[  7, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P015.wav" right
+[  7, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P015.wav" right
+[  7, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P015.wav" right
+[  7, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P015.wav" right
+[  7, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P015.wav" right
+[  7, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P015.wav" right
+[  7, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P015.wav" right
+[  7, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P015.wav" right
+[  7, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P015.wav" right
+[  7, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P015.wav" right
+[  7, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P015.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P015.wav" right
 
-[  8,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P030.wav"
-[  8,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P030.wav"
-[  8,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P030.wav"
-[  8,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P030.wav"
-[  8,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P030.wav"
-[  8,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P030.wav"
-[  8,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P030.wav"
-[  8,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P030.wav"
-[  8,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P030.wav"
-[  8,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P030.wav"
-[  8, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P030.wav"
-[  8, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P030.wav"
-[  8, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P030.wav"
-[  8, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P030.wav"
-[  8, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P030.wav"
-[  8, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P030.wav"
-[  8, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P030.wav"
-[  8, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P030.wav"
-[  8, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P030.wav"
-[  8, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P030.wav"
-[  8, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P030.wav"
-[  8, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P030.wav"
-[  8, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P030.wav"
-[  8, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P030.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P030.wav"
+[  8,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P030.wav" right
+[  8,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P030.wav" right
+[  8,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P030.wav" right
+[  8,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P030.wav" right
+[  8,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P030.wav" right
+[  8,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P030.wav" right
+[  8,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P030.wav" right
+[  8,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P030.wav" right
+[  8,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P030.wav" right
+[  8,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P030.wav" right
+[  8, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P030.wav" right
+[  8, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P030.wav" right
+[  8, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P030.wav" right
+[  8, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P030.wav" right
+[  8, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P030.wav" right
+[  8, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P030.wav" right
+[  8, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P030.wav" right
+[  8, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P030.wav" right
+[  8, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P030.wav" right
+[  8, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P030.wav" right
+[  8, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P030.wav" right
+[  8, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P030.wav" right
+[  8, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P030.wav" right
+[  8, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P030.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P030.wav" right
 
-[  9,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P045.wav"
-[  9,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P045.wav"
-[  9,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P045.wav"
-[  9,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P045.wav"
-[  9,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P045.wav"
-[  9,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P045.wav"
-[  9,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P045.wav"
-[  9,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P045.wav"
-[  9,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P045.wav"
-[  9,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P045.wav"
-[  9, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P045.wav"
-[  9, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P045.wav"
-[  9, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P045.wav"
-[  9, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P045.wav"
-[  9, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P045.wav"
-[  9, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P045.wav"
-[  9, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P045.wav"
-[  9, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P045.wav"
-[  9, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P045.wav"
-[  9, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P045.wav"
-[  9, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P045.wav"
-[  9, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P045.wav"
-[  9, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P045.wav"
-[  9, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P045.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P045.wav"
+[  9,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P045.wav" right
+[  9,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T345_P045.wav" right
+[  9,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P045.wav" right
+[  9,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T315_P045.wav" right
+[  9,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P045.wav" right
+[  9,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T285_P045.wav" right
+[  9,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P045.wav" right
+[  9,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T255_P045.wav" right
+[  9,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P045.wav" right
+[  9,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T225_P045.wav" right
+[  9, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P045.wav" right
+[  9, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T195_P045.wav" right
+[  9, 12 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P045.wav" right
+[  9, 13 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T165_P045.wav" right
+[  9, 14 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P045.wav" right
+[  9, 15 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T135_P045.wav" right
+[  9, 16 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P045.wav" right
+[  9, 17 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T105_P045.wav" right
+[  9, 18 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P045.wav" right
+[  9, 19 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T075_P045.wav" right
+[  9, 20 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P045.wav" right
+[  9, 21 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T045_P045.wav" right
+[  9, 22 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P045.wav" right
+[  9, 23 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P045.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T015_P045.wav" right
 
-[ 10,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P060.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P060.wav"
-[ 10,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P060.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P060.wav"
-[ 10,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P060.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P060.wav"
-[ 10,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P060.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P060.wav"
-[ 10,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P060.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P060.wav"
-[ 10,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P060.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P060.wav"
-[ 10,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P060.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P060.wav"
-[ 10,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P060.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P060.wav"
-[ 10,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P060.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P060.wav"
-[ 10,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P060.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P060.wav"
-[ 10, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P060.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P060.wav"
-[ 10, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P060.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P060.wav"
+[ 10,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P060.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P060.wav" right
+[ 10,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P060.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T330_P060.wav" right
+[ 10,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P060.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P060.wav" right
+[ 10,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P060.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T270_P060.wav" right
+[ 10,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P060.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P060.wav" right
+[ 10,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P060.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T210_P060.wav" right
+[ 10,  6 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P060.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P060.wav" right
+[ 10,  7 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P060.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T150_P060.wav" right
+[ 10,  8 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P060.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P060.wav" right
+[ 10,  9 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P060.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T090_P060.wav" right
+[ 10, 10 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P060.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P060.wav" right
+[ 10, 11 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P060.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T030_P060.wav" right
 
-[ 11,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P075.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P075.wav"
-[ 11,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P075.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P075.wav"
-[ 11,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P075.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P075.wav"
-[ 11,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P075.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P075.wav"
-[ 11,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P075.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P075.wav"
-[ 11,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P075.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P075.wav"
+[ 11,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P075.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P075.wav" right
+[ 11,  1 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P075.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T300_P075.wav" right
+[ 11,  2 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P075.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T240_P075.wav" right
+[ 11,  3 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P075.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T180_P075.wav" right
+[ 11,  4 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P075.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T120_P075.wav" right
+[ 11,  5 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P075.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T060_P075.wav" right
 
-[ 12,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P090.wav"
-           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P090.wav"
+[ 12,  0 ] = wave (0) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P090.wav" left
+           + wave (1) : "./IRC/RAW/WAV/IRC_1005_R/IRC_1005_R_R0195_T000_P090.wav" right
 
diff --git a/utils/MIT_KEMAR.def b/utils/MIT_KEMAR.def
index 1067e0b4..e6b0ddff 100644
--- a/utils/MIT_KEMAR.def
+++ b/utils/MIT_KEMAR.def
@@ -12,26 +12,26 @@
 # It is copyrighted 1994 by MIT Media Laboratory, and provided free of charge
 # with no restrictions on use so long as the authors (above) are cited.
 #
-# This definition is used to generate the internal HRTF table used by OpenAL
+# This definition is used to generate the default HRTF table used by OpenAL
 # Soft.
 
 # The following are the data set metrics.  They must always be specified at
-# start of a definition file, but their order is not important.
+# the start of a definition file, but their order is not important.
 
 # Sampling rate of the HRIR data (in hertz).
 rate     = 44100
 
+# The channel type of incoming HRIR data (mono or stereo).  Mono channel
+# inputs will result in mirroring to provide the right ear HRIRs.  If not
+# specified, this defaults to mono.
+type     = mono
+
 # The number of points to use from the HRIR data.  This should be a
 # sufficiently large value (to encompass the entire impulse response).  It
 # cannot be smaller than the truncation size (default is 32) specified on the
 # command line.
 points   = 512
 
-# A list of the number of azimuths measured for each elevation.  There must
-# be at least 5 elevations covering the 180 degrees for the data set to be
-# viable.
-azimuths = 1, 12, 24, 36, 45, 56, 60, 72, 72, 72, 72, 72, 60, 56, 45, 36, 24, 12, 1
-
 # The radius of the listener's head (measured ear-to-ear in meters).  The
 # makehrtf utility uses this value to rescale measured propagation delays
 # when a custom head radius is specified on the command line.  It is also
@@ -41,62 +41,83 @@ azimuths = 1, 12, 24, 36, 45, 56, 60, 72, 72, 72, 72, 72, 60, 56, 45, 36, 24, 12
 # default).  At the moment, radius rescaling does not adjust HRIR coupling.
 radius   = 0.09
 
-# The distance between the source and the listener (in meters).  This does
-# have to match the data set, but it's effect is minimal at the moment due to
-# the coupled nature of OpenAL Soft's HRTF model.
+# A list of the distances between the source and the listener (in meters) for
+# each field.  These must start at or above the head radius and proceed in
+# ascending order.  Since the MIT set is single-field, there is only one
+# distance.
 distance = 1.4
 
-# Following the metrics is the list of source HRIRs for each elevation and
-# azimuth pair.  They don't have to be specified in order, but the final
-# composition must not be sparse.  They can however begin above a number of
-# elevations (as typical for HRIR measurements).
+# A list of the number of azimuths measured for each elevation per field.
+# Elevations are separated by commas (,) while fields are separated by
+# semicolons (;).  There must be at least 5 elevations covering 180 degrees
+# degrees of elevation for the data set to be viable.  The poles (first and
+# last elevation) must be singular (an azimuth count of 1).
+azimuths = 1, 12, 24, 36, 45, 56, 60, 72, 72, 72, 72, 72, 60, 56, 45, 36, 24, 12, 1
+
+# Following the metrics is the list of source HRIRs for each field,
+# elevation, and azimuth triplet.  They don't have to be specified in order,
+# but the final composition must not be sparse.  They can however begin above
+# a number of elevations (as typical for HRIR measurements).
 #
-# The elevation and azimuth indices are used to determine the resulting polar
-# coordinates following OpenAL Soft's convention (-90 degree elevation
-# increasing counter-clockwise from the bottom; 0 degree azimuth increasing
-# clockwise from the front).
+# The field index is used to determine the distance coordinate (for mult-
+# field HRTFs) while the elevation and azimuth indices are used to determine
+# the resulting polar coordinates following OpenAL Soft's convention (-90
+# degree elevation increasing counter-clockwise from the bottom; 0 degree
+# azimuth increasing clockwise from the front).
 #
-# More than one HRIR can be used per source, in which case the average
-# magnitude response of all references for that source is used.
+# More than one HRIR can be used per source.  This allows the composition of
+# averaged magnitude responses or the specification of stereo HRTFs.  Target
+# ears must (and can only be) specified for each source when the type metric
+# is set to 'stereo'.
 #
 # Source specification is of the form (~BNF):
 #
-#  source = '[' ev_index ',' az_index ']' '=' source_ref [ '+' source_ref ]*
+#  source = ( sf_index | mf_index ) source_ref [ '+' source_ref ]*
+#
+#  sf_index = '[' ev_index ',' az_index ']' '='
+#  mf_index = '[' fd_index ',' ev_index ',' az_index ']' '='
+#  source_ref = mono_ref | stereo_ref
 #
+#  fd_index   = unsigned_integer
 #  ev_index   = unsigned_integer
 #  az_index   = unsigned_integer
-#  source_ref = ref_spec ':' filename
+#  mono_ref   = ref_spec ':' filename
+#  stereo_ref = ref_spec ':' filename ear
 #
-#  ref_spec = ( wave_fmt  '(' wave_parms ')' [ '@' start_sample   ] ) |
-#             ( bin_fmt   '(' bini_parms ')' [ '@' start_bytes    ] ) |
-#             ( bin_fmt   '(' binf_parms ')' [ '@' start_bytes    ] ) |
-#             ( ascii_fmt '(' asci_parms ')' [ '@' start_elements ] ) |
-#             ( ascii_fmt '(' ascf_parms ')' [ '@' start_elements ] )
+#  ref_spec = ( wave_fmt  '(' wave_parms ')' [ '@' start_sample  ] ) |
+#             ( bin_fmt   '(' bini_parms ')' [ '@' start_byte    ] ) |
+#             ( bin_fmt   '(' binf_parms ')' [ '@' start_byte    ] ) |
+#             ( ascii_fmt '(' asci_parms ')' [ '@' start_element ] ) |
+#             ( ascii_fmt '(' ascf_parms ')' [ '@' start_element ] )
 #  filename = double_quoted_string
+#  ear      = 'left' | 'right'
 #
-#  wave_fmt       = 'wave'
-#  wave_parms     = channel
-#  bin_fmt        = 'bin_le' | 'bin_be'
-#  bini_parms     = 'int' ',' byte_size [ ',' bin_sig_bits ] [ ';' skip_bytes ]
-#  binf_parms     = 'fp'  ',' byte_size                      [ ';' skip_bytes ]
-#  ascii_fmt      = 'ascii'
-#  asci_parms     = 'int' ',' sig_bits  [ ';' skip_elements ]
-#  ascf_parms     = 'fp'                [ ';' skip_elements ]
-#  start_sample   = unsigned_integer
-#  start_bytes    = unsigned_integer
-#  start_elements = unsigned_integer
+#  wave_fmt      = 'wave'
+#  wave_parms    = channel
+#  bin_fmt       = 'bin_le' | 'bin_be'
+#  bini_parms    = 'int' ',' byte_size [ ',' bin_sig_bits ] [ ';' skip_bytes ]
+#  binf_parms    = 'fp'  ',' byte_size                      [ ';' skip_bytes ]
+#  ascii_fmt     = 'ascii'
+#  asci_parms    = 'int' ',' sig_bits  [ ';' skip_elements ]
+#  ascf_parms    = 'fp'                [ ';' skip_elements ]
+#  start_sample  = unsigned_integer
+#  start_byte    = unsigned_integer
+#  start_element = unsigned_integer
 #
-#  channel       = unsigned_integer
-#  byte_size     = unsigned_integer
-#  bin_sig_bits  = signed_integer
-#  skip_bytes    = unsigned_integer
-#  sig_bits      = unsigned_integer
-#  skip_elements = unsigned_integer
+#  channel             = unsigned_integer
+#  byte_size           = unsigned_integer
+#  bin_sig_bits        = signed_integer
+#  skip_bytes          = unsigned_integer
+#  sig_bits            = unsigned_integer
+#  skip_elements       = unsigned_integer
 #
 # For bin_sig_bits, positive values mean the significant bits start at the
 # MSB (padding toward the LSB) while negative values mean they start at the
 # LSB.
 
+# Even though the MIT set is provided as stereo .wav files, each channel is
+# for a different sized KEMAR ear.  Since it is not a stereo data set, no ear
+# is specified.  The smaller KEMAR ear (in the left channel: 0) is used.
 [  5,  0 ] = wave (0) : "./MITfull/elev-40/L-40e000a.wav"
 [  5,  1 ] = wave (0) : "./MITfull/elev-40/L-40e006a.wav"
 [  5,  2 ] = wave (0) : "./MITfull/elev-40/L-40e013a.wav"
diff --git a/utils/makehrtf.c b/utils/makehrtf.c
index ca810b84..461df597 100644
--- a/utils/makehrtf.c
+++ b/utils/makehrtf.c
@@ -129,6 +129,9 @@ typedef unsigned __int64 uint64_t;
 #define MIN_POINTS                   (16)
 #define MAX_POINTS                   (8192)
 
+// The limit to the number of 'distances' listed in the data set definition.
+#define MAX_FD_COUNT                 (16)
+
 // The limits to the number of 'azimuths' listed in the data set definition.
 #define MIN_EV_COUNT                 (5)
 #define MAX_EV_COUNT                 (128)
@@ -141,10 +144,10 @@ typedef unsigned __int64 uint64_t;
 #define MIN_RADIUS                   (0.05)
 #define MAX_RADIUS                   (0.15)
 
-// The limits for the 'distance' from source to listener in the definition
-// file.
-#define MIN_DISTANCE                 (0.5)
-#define MAX_DISTANCE                 (2.5)
+// The limits for the 'distance' from source to listener for each field in
+// the definition file.
+#define MIN_DISTANCE                 (0.05)
+#define MAX_DISTANCE                 (2.50)
 
 // The maximum number of channels that can be addressed for a WAVE file
 // source listed in the data set definition.
@@ -212,20 +215,20 @@ typedef unsigned __int64 uint64_t;
 #define MAX_HRTD                     (63.0)
 
 // The OpenAL Soft HRTF format marker.  It stands for minimum-phase head
-// response protocol 01.
-#define MHR_FORMAT                   ("MinPHR01")
+// response protocol 02.
+#define MHR_FORMAT                   ("MinPHR02")
 
-#define MHR_FORMAT_EXPERIMENTAL      ("MinPHRTEMPDONOTUSE")
-
-// Sample and channel type enum values
+// Sample and channel type enum values.
 typedef enum SampleTypeT {
     ST_S16 = 0,
     ST_S24 = 1
 } SampleTypeT;
 
+// Certain iterations rely on these integer enum values.
 typedef enum ChannelTypeT {
-    CT_LEFTONLY  = 0,
-    CT_LEFTRIGHT = 1
+    CT_NONE   = -1,
+    CT_MONO   = 0,
+    CT_STEREO = 1
 } ChannelTypeT;
 
 // Byte order for the serialization routines.
@@ -290,25 +293,42 @@ typedef struct SourceRefT {
     char mPath[MAX_PATH_LEN+1];
 } SourceRefT;
 
+// Structured HRIR storage for stereo azimuth pairs, elevations, and fields.
+typedef struct HrirAzT {
+    double mAzimuth;
+    uint mIndex;
+    double mDelays[2];
+    double *mIrs[2];
+} HrirAzT;
+
+typedef struct HrirEvT {
+    double mElevation;
+    uint mIrCount;
+    uint mAzCount;
+    HrirAzT *mAzs;
+} HrirEvT;
+
+typedef struct HrirFdT {
+    double mDistance;
+    uint mIrCount;
+    uint mEvCount;
+    uint mEvStart;
+    HrirEvT *mEvs;
+} HrirFdT;
+
 // The HRIR metrics and data set used when loading, processing, and storing
 // the resulting HRTF.
 typedef struct HrirDataT {
     uint mIrRate;
     SampleTypeT mSampleType;
     ChannelTypeT mChannelType;
-    uint mIrCount;
-    uint mIrSize;
     uint mIrPoints;
     uint mFftSize;
-    uint mEvCount;
-    uint mEvStart;
-    uint mAzCount[MAX_EV_COUNT];
-    uint mEvOffset[MAX_EV_COUNT];
+    uint mIrSize;
     double mRadius;
-    double mDistance;
-    double *mHrirs;
-    double *mHrtds;
-    double  mMaxHrtd;
+    uint mIrCount;
+    uint mFdCount;
+    HrirFdT *mFds;
 } HrirDataT;
 
 // The resampler metrics and FIR filter.
@@ -533,6 +553,19 @@ static void TrIndication(TokenReaderT *tr, uint *line, uint *column)
     if(column) *column = tr->mColumn;
 }
 
+// Checks to see if a token is (likely to be) an identifier.  It does not
+// display any errors and will not proceed to the next token.
+static int TrIsIdent(TokenReaderT *tr)
+{
+    char ch;
+
+    if(!TrSkipWhitespace(tr))
+        return 0;
+    ch = tr->mRing[tr->mOut&TR_RING_MASK];
+    return ch == '_' || isalpha(ch);
+}
+
+
 // Checks to see if a token is the given operator.  It does not display any
 // errors and will not proceed to the next token.
 static int TrIsOperator(TokenReaderT *tr, const char *op)
@@ -641,9 +674,9 @@ static int TrReadInt(TokenReaderT *tr, const int loBound, const int hiBound, int
             if(*value < loBound || *value > hiBound)
             {
                 TrErrorAt(tr, tr->mLine, col, "Expected a value from %d to %d.\n", loBound, hiBound);
-                return (0);
+                return 0;
             }
-            return (1);
+            return 1;
         }
     }
     TrErrorAt(tr, tr->mLine, col, "Expected an integer.\n");
@@ -736,7 +769,7 @@ static int TrReadFloat(TokenReaderT *tr, const double loBound, const double hiBo
                 *value = strtod(temp, NULL);
                 if(*value < loBound || *value > hiBound)
                 {
-                    TrErrorAt (tr, tr->mLine, col, "Expected a value from %f to %f.\n", loBound, hiBound);
+                    TrErrorAt(tr, tr->mLine, col, "Expected a value from %f to %f.\n", loBound, hiBound);
                     return 0;
                 }
                 return 1;
@@ -772,7 +805,7 @@ static int TrReadString(TokenReaderT *tr, const uint maxLen, char *text)
                     break;
                 if(ch == '\n')
                 {
-                    TrErrorAt (tr, tr->mLine, col, "Unterminated string at end of line.\n");
+                    TrErrorAt(tr, tr->mLine, col, "Unterminated string at end of line.\n");
                     return 0;
                 }
                 if(len < maxLen)
@@ -788,7 +821,7 @@ static int TrReadString(TokenReaderT *tr, const uint maxLen, char *text)
             tr->mColumn += 2 + len;
             if(len > maxLen)
             {
-                TrErrorAt (tr, tr->mLine, col, "String is too long.\n");
+                TrErrorAt(tr, tr->mLine, col, "String is too long.\n");
                 return 0;
             }
             text[len] = '\0';
@@ -901,34 +934,40 @@ static double Clamp(const double val, const double lower, const double upper)
 // Performs linear interpolation.
 static double Lerp(const double a, const double b, const double f)
 {
-    return a + (f * (b - a));
+    return a + f * (b - a);
 }
 
 static inline uint dither_rng(uint *seed)
 {
-    *seed = (*seed * 96314165) + 907633515;
+    *seed = *seed * 96314165 + 907633515;
     return *seed;
 }
 
-// Performs a triangular probability density function dither. It assumes the
-// input sample is already scaled.
-static inline double TpdfDither(const double in, uint *seed)
+// Performs a triangular probability density function dither. The input samples
+// should be normalized (-1 to +1).
+static void TpdfDither(double *restrict out, const double *restrict in, const double scale,
+                       const int count, const int step, uint *seed)
 {
     static const double PRNG_SCALE = 1.0 / UINT_MAX;
     uint prn0, prn1;
+    int i;
 
-    prn0 = dither_rng(seed);
-    prn1 = dither_rng(seed);
-    return round(in + (prn0*PRNG_SCALE - prn1*PRNG_SCALE));
+    for(i = 0;i < count;i++)
+    {
+        prn0 = dither_rng(seed);
+        prn1 = dither_rng(seed);
+        out[i*step] = round(in[i]*scale + (prn0*PRNG_SCALE - prn1*PRNG_SCALE));
+    }
 }
 
 // Allocates an array of doubles.
-static double *CreateArray(size_t n)
+static double *CreateDoubles(size_t n)
 {
     double *a;
 
-    if(n == 0) n = 1;
-    a = calloc(n, sizeof(double));
+    if(n == 0)
+        n = 1;
+    a = calloc(n, sizeof(*a));
     if(a == NULL)
     {
         fprintf(stderr, "Error:  Out of memory.\n");
@@ -937,9 +976,21 @@ static double *CreateArray(size_t n)
     return a;
 }
 
-// Frees an array of doubles.
-static void DestroyArray(double *a)
-{ free(a); }
+// Allocates an array of complex numbers.
+static Complex *CreateComplexes(size_t n)
+{
+    Complex *a;
+
+    if(n == 0)
+        n = 1;
+    a = calloc(n, sizeof(*a));
+    if(a == NULL)
+    {
+        fprintf(stderr, "Error:  Out of memory.\n");
+        exit(-1);
+    }
+    return a;
+}
 
 /* Fast Fourier transform routines.  The number of points must be a power of
  * two.  In-place operation is possible only if both the real and imaginary
@@ -1081,9 +1132,8 @@ static void MagnitudeResponse(const uint n, const Complex *in, double *out)
  * to adjust the effects of the diffuse-field average on the equalization
  * process.
  */
-static void LimitMagnitudeResponse(const uint n, const double limit, const double *in, double *out)
+static void LimitMagnitudeResponse(const uint n, const uint m, const double limit, const double *in, double *out)
 {
-    const uint m = 1 + (n / 2);
     double halfLim;
     uint i, lower, upper;
     double ave;
@@ -1118,7 +1168,7 @@ static void MinimumPhase(const uint n, const double *in, Complex *out)
     double *mags;
     uint i;
 
-    mags = CreateArray(n);
+    mags = CreateDoubles(n);
     for(i = 0;i < m;i++)
     {
         mags[i] = fmax(EPSILON, in[i]);
@@ -1137,7 +1187,7 @@ static void MinimumPhase(const uint n, const double *in, Complex *out)
         Complex a = c_exp(MakeComplex(0.0, out[i].Imag));
         out[i] = c_mul(MakeComplex(mags[i], 0.0), a);
     }
-    DestroyArray(mags);
+    free(mags);
 }
 
 
@@ -1319,7 +1369,7 @@ static void ResamplerSetup(ResamplerT *rs, const uint srcRate, const uint dstRat
     beta = CalcKaiserBeta(180.0);
     rs->mM = l*2 + 1;
     rs->mL = l;
-    rs->mF = CreateArray(rs->mM);
+    rs->mF = CreateDoubles(rs->mM);
     for(i = 0;i < ((int)rs->mM);i++)
         rs->mF[i] = SincFilter((int)l, beta, rs->mP, cutoff, i);
 }
@@ -1327,7 +1377,7 @@ static void ResamplerSetup(ResamplerT *rs, const uint srcRate, const uint dstRat
 // Clean up after the resampler.
 static void ResamplerClear(ResamplerT *rs)
 {
-    DestroyArray(rs->mF);
+    free(rs->mF);
     rs->mF = NULL;
 }
 
@@ -1346,7 +1396,7 @@ static void ResamplerRun(ResamplerT *rs, const uint inN, const double *in, const
 
     // Handle in-place operation.
     if(in == out)
-        work = CreateArray(outN);
+        work = CreateDoubles(outN);
     else
         work = out;
     // Resample the input.
@@ -1373,7 +1423,7 @@ static void ResamplerRun(ResamplerT *rs, const uint inN, const double *in, const
     {
         for(i = 0;i < outN;i++)
             out[i] = work[i];
-        DestroyArray(work);
+        free(work);
     }
 }
 
@@ -1536,18 +1586,18 @@ static int ReadWaveFormat(FILE *fp, const ByteOrderT order, const uint hrirRate,
 
     chunkSize = 0;
     do {
-        if (chunkSize > 0)
-        fseek (fp, (long) chunkSize, SEEK_CUR);
+        if(chunkSize > 0)
+            fseek (fp, (long) chunkSize, SEEK_CUR);
         if(!ReadBin4(fp, src->mPath, BO_LITTLE, 4, &fourCC) ||
            !ReadBin4(fp, src->mPath, order, 4, &chunkSize))
-        return 0;
+            return 0;
     } while(fourCC != FOURCC_FMT);
-    if(!ReadBin4(fp, src->mPath, order, 2, & format) ||
-       !ReadBin4(fp, src->mPath, order, 2, & channels) ||
-       !ReadBin4(fp, src->mPath, order, 4, & rate) ||
-       !ReadBin4(fp, src->mPath, order, 4, & dummy) ||
-       !ReadBin4(fp, src->mPath, order, 2, & block))
-        return (0);
+    if(!ReadBin4(fp, src->mPath, order, 2, &format) ||
+       !ReadBin4(fp, src->mPath, order, 2, &channels) ||
+       !ReadBin4(fp, src->mPath, order, 4, &rate) ||
+       !ReadBin4(fp, src->mPath, order, 4, &dummy) ||
+       !ReadBin4(fp, src->mPath, order, 2, &block))
+        return 0;
     block /= channels;
     if(chunkSize > 14)
     {
@@ -1654,10 +1704,11 @@ static int ReadWaveList(FILE *fp, const SourceRefT *src, const ByteOrderT order,
     uint block, skip, offset, i;
     double lastSample;
 
-    for (;;) {
-        if(!ReadBin4(fp, src->mPath, BO_LITTLE, 4, & fourCC) ||
-           !ReadBin4(fp, src->mPath, order, 4, & chunkSize))
-            return (0);
+    for(;;)
+    {
+        if(!ReadBin4(fp, src->mPath, BO_LITTLE, 4, &fourCC) ||
+           !ReadBin4(fp, src->mPath, order, 4, &chunkSize))
+            return 0;
 
         if(fourCC == FOURCC_DATA)
         {
@@ -1811,7 +1862,7 @@ static int LoadAsciiSource(FILE *fp, const SourceRefT *src, const uint n, double
     for(i = 0;i < src->mOffset;i++)
     {
         if(!ReadAsciiAsDouble(&tr, src->mPath, src->mType, (uint)src->mBits, &dummy))
-            return (0);
+            return 0;
     }
     for(i = 0;i < n;i++)
     {
@@ -1832,7 +1883,7 @@ static int LoadSource(SourceRefT *src, const uint hrirRate, const uint n, double
     int result;
     FILE *fp;
 
-    if (src->mFormat == SF_ASCII)
+    if(src->mFormat == SF_ASCII)
         fp = fopen(src->mPath, "r");
     else
         fp = fopen(src->mPath, "rb");
@@ -1902,63 +1953,90 @@ static int WriteBin4(const ByteOrderT order, const uint bytes, const uint32 in,
 }
 
 // Store the OpenAL Soft HRTF data set.
-static int StoreMhr(const HrirDataT *hData, const int experimental, const char *filename)
+static int StoreMhr(const HrirDataT *hData, const char *filename)
 {
-    uint e, step, end, n, j, i;
-    uint dither_seed;
+    uint channels = (hData->mChannelType == CT_STEREO) ? 2 : 1;
+    uint n = hData->mIrPoints;
     FILE *fp;
-    int v;
+    uint fi, ei, ai, i;
+    uint dither_seed = 22222;
 
     if((fp=fopen(filename, "wb")) == NULL)
     {
         fprintf(stderr, "Error: Could not open MHR file '%s'.\n", filename);
         return 0;
     }
-    if(!WriteAscii(experimental ? MHR_FORMAT_EXPERIMENTAL : MHR_FORMAT, fp, filename))
+    if(!WriteAscii(MHR_FORMAT, fp, filename))
         return 0;
     if(!WriteBin4(BO_LITTLE, 4, (uint32)hData->mIrRate, fp, filename))
         return 0;
-    if(experimental)
-    {
-        if(!WriteBin4(BO_LITTLE, 1, (uint32)hData->mSampleType, fp, filename))
-            return 0;
-        if(!WriteBin4(BO_LITTLE, 1, (uint32)hData->mChannelType, fp, filename))
-            return 0;
-    }
+    if(!WriteBin4(BO_LITTLE, 1, (uint32)hData->mSampleType, fp, filename))
+        return 0;
+    if(!WriteBin4(BO_LITTLE, 1, (uint32)hData->mChannelType, fp, filename))
+        return 0;
     if(!WriteBin4(BO_LITTLE, 1, (uint32)hData->mIrPoints, fp, filename))
         return 0;
-    if(!WriteBin4(BO_LITTLE, 1, (uint32)hData->mEvCount, fp, filename))
+    if(!WriteBin4(BO_LITTLE, 1, (uint32)hData->mFdCount, fp, filename))
         return 0;
-    for(e = 0;e < hData->mEvCount;e++)
+    for(fi = 0;fi < hData->mFdCount;fi++)
     {
-        if(!WriteBin4(BO_LITTLE, 1, (uint32)hData->mAzCount[e], fp, filename))
+        if(!WriteBin4(BO_LITTLE, 2, (uint32)(1000.0 * hData->mFds[fi].mDistance), fp, filename))
+            return 0;
+        if(!WriteBin4(BO_LITTLE, 1, (uint32)hData->mFds[fi].mEvCount, fp, filename))
             return 0;
+        for(ei = 0;ei < hData->mFds[fi].mEvCount;ei++)
+        {
+            if(!WriteBin4(BO_LITTLE, 1, (uint32)hData->mFds[fi].mEvs[ei].mAzCount, fp, filename))
+                return 0;
+        }
     }
-    step = hData->mIrSize;
-    end = hData->mIrCount * step;
-    n = hData->mIrPoints;
-    dither_seed = 22222;
-    for(j = 0;j < end;j += step)
+
+    for(fi = 0;fi < hData->mFdCount;fi++)
     {
-        const double scale = (!experimental || hData->mSampleType == ST_S16) ? 32767.0 :
+        const double scale = (hData->mSampleType == ST_S16) ? 32767.0 :
                              ((hData->mSampleType == ST_S24) ? 8388607.0 : 0.0);
-        const int bps = (!experimental || hData->mSampleType == ST_S16) ? 2 :
+        const int bps = (hData->mSampleType == ST_S16) ? 2 :
                         ((hData->mSampleType == ST_S24) ? 3 : 0);
-        double out[MAX_TRUNCSIZE];
-        for(i = 0;i < n;i++)
-            out[i] = TpdfDither(scale * hData->mHrirs[j+i], &dither_seed);
-        for(i = 0;i < n;i++)
+
+        for(ei = 0;ei < hData->mFds[fi].mEvCount;ei++)
         {
-            v = (int)Clamp(out[i], -scale-1.0, scale);
-            if(!WriteBin4(BO_LITTLE, bps, (uint32)v, fp, filename))
-                return 0;
+            for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+            {
+                HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
+                double out[2 * MAX_TRUNCSIZE];
+
+                TpdfDither(out, azd->mIrs[0], scale, n, channels, &dither_seed);
+                if(hData->mChannelType == CT_STEREO)
+                    TpdfDither(out+1, azd->mIrs[1], scale, n, channels, &dither_seed);
+                for(i = 0;i < (channels * n);i++)
+                {
+                    int v = (int)Clamp(out[i], -scale-1.0, scale);
+                    if(!WriteBin4(BO_LITTLE, bps, (uint32)v, fp, filename))
+                        return 0;
+                }
+            }
         }
     }
-    for(j = 0;j < hData->mIrCount;j++)
+    for(fi = 0;fi < hData->mFdCount;fi++)
     {
-        v = (int)fmin(round(hData->mIrRate * hData->mHrtds[j]), MAX_HRTD);
-        if(!WriteBin4(BO_LITTLE, 1, (uint32)v, fp, filename))
-            return 0;
+        for(ei = 0;ei < hData->mFds[fi].mEvCount;ei++)
+        {
+            for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+            {
+                HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
+                int v = (int)fmin(round(hData->mIrRate * azd->mDelays[0]), MAX_HRTD);
+
+                if(!WriteBin4(BO_LITTLE, 1, (uint32)v, fp, filename))
+                    return 0;
+                if(hData->mChannelType == CT_STEREO)
+                {
+                    v = (int)fmin(round(hData->mIrRate * azd->mDelays[1]), MAX_HRTD);
+
+                    if(!WriteBin4(BO_LITTLE, 1, (uint32)v, fp, filename))
+                        return 0;
+                }
+            }
+        }
     }
     fclose(fp);
     return 1;
@@ -1970,14 +2048,12 @@ static int StoreMhr(const HrirDataT *hData, const int experimental, const char *
  ***********************/
 
 // Calculate the onset time of an HRIR and average it with any existing
-// timing for its elevation and azimuth.
-static void AverageHrirOnset(const double *hrir, const double f, const uint ei, const uint ai, const HrirDataT *hData)
+// timing for its field, elevation, azimuth, and ear.
+static double AverageHrirOnset(const uint rate, const uint n, const double *hrir, const double f, const double onset)
 {
-    double mag;
-    uint n, i, j;
+    double mag = 0.0;
+    uint i;
 
-    mag = 0.0;
-    n = hData->mIrPoints;
     for(i = 0;i < n;i++)
         mag = fmax(fabs(hrir[i]), mag);
     mag *= 0.15;
@@ -1986,33 +2062,27 @@ static void AverageHrirOnset(const double *hrir, const double f, const uint ei,
         if(fabs(hrir[i]) >= mag)
             break;
     }
-    j = hData->mEvOffset[ei] + ai;
-    hData->mHrtds[j] = Lerp(hData->mHrtds[j], ((double)i) / hData->mIrRate, f);
+    return Lerp(onset, (double)i / rate, f);
 }
 
 // Calculate the magnitude response of an HRIR and average it with any
-// existing responses for its elevation and azimuth.
-static void AverageHrirMagnitude(const double *hrir, const double f, const uint ei, const uint ai, const HrirDataT *hData)
+// existing responses for its field, elevation, azimuth, and ear.
+static void AverageHrirMagnitude(const uint points, const uint n, const double *hrir, const double f, double *mag)
 {
-    uint n, m, i, j;
-    Complex *cplx;
-    double *mags;
+    uint m = 1 + (n / 2), i;
+    Complex *h = CreateComplexes(n);
+    double *r = CreateDoubles(n);
 
-    n = hData->mFftSize;
-    cplx = calloc(sizeof(*cplx), n);
-    mags = calloc(sizeof(*mags), n);
-    for(i = 0;i < hData->mIrPoints;i++)
-        cplx[i] = MakeComplex(hrir[i], 0.0);
+    for(i = 0;i < points;i++)
+        h[i] = MakeComplex(hrir[i], 0.0);
     for(;i < n;i++)
-        cplx[i] = MakeComplex(0.0, 0.0);
-    FftForward(n, cplx, cplx);
-    MagnitudeResponse(n, cplx, mags);
-    m = 1 + (n / 2);
-    j = (hData->mEvOffset[ei] + ai) * hData->mIrSize;
+        h[i] = MakeComplex(0.0, 0.0);
+    FftForward(n, h, h);
+    MagnitudeResponse(n, h, r);
     for(i = 0;i < m;i++)
-        hData->mHrirs[j+i] = Lerp(hData->mHrirs[j+i], mags[i], f);
-    free(mags);
-    free(cplx);
+        mag[i] = Lerp(mag[i], r[i], f);
+    free(r);
+    free(h);
 }
 
 /* Calculate the contribution of each HRIR to the diffuse-field average based
@@ -2021,34 +2091,39 @@ static void AverageHrirMagnitude(const double *hrir, const double f, const uint
  */
 static void CalculateDfWeights(const HrirDataT *hData, double *weights)
 {
-    double evs, sum, ev, up_ev, down_ev, solidAngle;
-    uint ei;
+    double sum, evs, ev, upperEv, lowerEv, solidAngle;
+    uint fi, ei;
 
-    evs = 90.0 / (hData->mEvCount - 1);
     sum = 0.0;
-    for(ei = hData->mEvStart;ei < hData->mEvCount;ei++)
+    for(fi = 0;fi < hData->mFdCount;fi++)
     {
-        // For each elevation, calculate the upper and lower limits of the
-        // patch band.
-        ev = -90.0 + (ei * 2.0 * evs);
-        if(ei < (hData->mEvCount - 1))
-            up_ev = (ev + evs) * M_PI / 180.0;
-        else
-            up_ev = M_PI / 2.0;
-        if(ei > 0)
-            down_ev = (ev - evs) * M_PI / 180.0;
-        else
-            down_ev = -M_PI / 2.0;
-        // Calculate the area of the patch band.
-        solidAngle = 2.0 * M_PI * (sin(up_ev) - sin(down_ev));
-        // Each weight is the area of one patch.
-        weights[ei] = solidAngle / hData->mAzCount [ei];
-        // Sum the total surface area covered by the HRIRs.
-        sum += solidAngle;
+        evs = M_PI / 2.0 / (hData->mFds[fi].mEvCount - 1);
+        for(ei = hData->mFds[fi].mEvStart;ei < hData->mFds[fi].mEvCount;ei++)
+        {
+            // For each elevation, calculate the upper and lower limits of
+            // the patch band.
+            ev = hData->mFds[fi].mEvs[ei].mElevation;
+            lowerEv = fmax(-M_PI / 2.0, ev - evs);
+            upperEv = fmin(M_PI / 2.0, ev + evs);
+            // Calculate the area of the patch band.
+            solidAngle = 2.0 * M_PI * (sin(upperEv) - sin(lowerEv));
+            // Each weight is the area of one patch.
+            weights[(fi * MAX_EV_COUNT) + ei] = solidAngle / hData->mFds[fi].mEvs[ei].mAzCount;
+            // Sum the total surface area covered by the HRIRs of all fields.
+            sum += solidAngle;
+        }
+    }
+    /* TODO: It may be interesting to experiment with how a volume-based
+             weighting performs compared to the existing distance-indepenent
+             surface patches.
+     */
+    for(fi = 0;fi < hData->mFdCount;fi++)
+    {
+        // Normalize the weights given the total surface coverage for all
+        // fields.
+        for(ei = hData->mFds[fi].mEvStart;ei < hData->mFds[fi].mEvCount;ei++)
+            weights[(fi * MAX_EV_COUNT) + ei] /= sum;
     }
-    // Normalize the weights given the total surface coverage.
-    for(ei = hData->mEvStart;ei < hData->mEvCount;ei++)
-        weights[ei] /= sum;
 }
 
 /* Calculate the diffuse-field average from the given magnitude responses of
@@ -2056,12 +2131,11 @@ static void CalculateDfWeights(const HrirDataT *hData, double *weights)
  * surface area covered by each HRIR.  The final average can then be limited
  * by the specified magnitude range (in positive dB; 0.0 to skip).
  */
-static void CalculateDiffuseFieldAverage(const HrirDataT *hData, const int weighted, const double limit, double *dfa)
+static void CalculateDiffuseFieldAverage(const HrirDataT *hData, const uint channels, const uint m, const int weighted, const double limit, double *dfa)
 {
-    uint ei, ai, count, step, start, end, m, j, i;
-    double *weights;
+    double *weights = CreateDoubles(hData->mFdCount * MAX_EV_COUNT);
+    uint count, ti, fi, ei, i, ai;
 
-    weights = CreateArray(hData->mEvCount);
     if(weighted)
     {
         // Use coverage weighting to calculate the average.
@@ -2069,61 +2143,76 @@ static void CalculateDiffuseFieldAverage(const HrirDataT *hData, const int weigh
     }
     else
     {
+        double weight;
+
         // If coverage weighting is not used, the weights still need to be
-        // averaged by the number of HRIRs.
-        count = 0;
-        for(ei = hData->mEvStart;ei < hData->mEvCount;ei++)
-            count += hData->mAzCount [ei];
-        for(ei = hData->mEvStart;ei < hData->mEvCount;ei++)
-            weights[ei] = 1.0 / count;
-    }
-    ei = hData->mEvStart;
-    ai = 0;
-    step = hData->mIrSize;
-    start = hData->mEvOffset[ei] * step;
-    end = hData->mIrCount * step;
-    m = 1 + (hData->mFftSize / 2);
-    for(i = 0;i < m;i++)
-        dfa[i] = 0.0;
-    for(j = start;j < end;j += step)
+        // averaged by the number of existing HRIRs.
+        count = hData->mIrCount;
+        for(fi = 0;fi < hData->mFdCount;fi++)
+        {
+            for(ei = 0;ei < hData->mFds[fi].mEvStart;ei++)
+                count -= hData->mFds[fi].mEvs[ei].mAzCount;
+        }
+        weight = 1.0 / count;
+
+        for(fi = 0;fi < hData->mFdCount;fi++)
+        {
+            for(ei = hData->mFds[fi].mEvStart;ei < hData->mFds[fi].mEvCount;ei++)
+                weights[(fi * MAX_EV_COUNT) + ei] = weight;
+        }
+    }
+    for(ti = 0;ti < channels;ti++)
     {
-        // Get the weight for this HRIR's contribution.
-        double weight = weights[ei];
-        // Add this HRIR's weighted power average to the total.
         for(i = 0;i < m;i++)
-            dfa[i] += weight * hData->mHrirs[j+i] * hData->mHrirs[j+i];
-        // Determine the next weight to use.
-        ai++;
-        if(ai >= hData->mAzCount[ei])
+            dfa[(ti * m) + i] = 0.0;
+        for(fi = 0;fi < hData->mFdCount;fi++)
         {
-            ei++;
-            ai = 0;
+            for(ei = hData->mFds[fi].mEvStart;ei < hData->mFds[fi].mEvCount;ei++)
+            {
+                for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+                {
+                    HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
+                    // Get the weight for this HRIR's contribution.
+                    double weight = weights[(fi * MAX_EV_COUNT) + ei];
+
+                    // Add this HRIR's weighted power average to the total.
+                    for(i = 0;i < m;i++)
+                        dfa[(ti * m) + i] += weight * azd->mIrs[ti][i] * azd->mIrs[ti][i];
+                }
+            }
         }
+        // Finish the average calculation and keep it from being too small.
+        for(i = 0;i < m;i++)
+            dfa[(ti * m) + i] = fmax(sqrt(dfa[(ti * m) + i]), EPSILON);
+        // Apply a limit to the magnitude range of the diffuse-field average
+        // if desired.
+        if(limit > 0.0)
+            LimitMagnitudeResponse(hData->mFftSize, m, limit, &dfa[ti * m], &dfa[ti * m]);
     }
-    // Finish the average calculation and keep it from being too small.
-    for(i = 0;i < m;i++)
-        dfa[i] = fmax(sqrt(dfa[i]), EPSILON);
-    // Apply a limit to the magnitude range of the diffuse-field average if
-    // desired.
-    if(limit > 0.0)
-        LimitMagnitudeResponse(hData->mFftSize, limit, dfa, dfa);
-    DestroyArray(weights);
+    free(weights);
 }
 
 // Perform diffuse-field equalization on the magnitude responses of the HRIR
 // set using the given average response.
-static void DiffuseFieldEqualize(const double *dfa, const HrirDataT *hData)
+static void DiffuseFieldEqualize(const uint channels, const uint m, const double *dfa, const HrirDataT *hData)
 {
-    uint step, start, end, m, j, i;
+    uint ti, fi, ei, ai, i;
 
-    step = hData->mIrSize;
-    start = hData->mEvOffset[hData->mEvStart] * step;
-    end = hData->mIrCount * step;
-    m = 1 + (hData->mFftSize / 2);
-    for(j = start;j < end;j += step)
+    for(ti = 0;ti < channels;ti++)
     {
-        for(i = 0;i < m;i++)
-            hData->mHrirs[j+i] /= dfa[i];
+        for(fi = 0;fi < hData->mFdCount;fi++)
+        {
+            for(ei = hData->mFds[fi].mEvStart;ei < hData->mFds[fi].mEvCount;ei++)
+            {
+                for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+                {
+                    HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
+
+                    for(i = 0;i < m;i++)
+                        azd->mIrs[ti][i] /= dfa[(ti * m) + i];
+                }
+            }
+        }
     }
 }
 
@@ -2131,187 +2220,241 @@ static void DiffuseFieldEqualize(const double *dfa, const HrirDataT *hData)
 // HRIR set.
 static void ReconstructHrirs(const HrirDataT *hData)
 {
-    uint step, start, end, n, j, i;
-    uint pcdone, lastpc;
-    Complex *cplx;
+    uint channels = (hData->mChannelType == CT_STEREO) ? 2 : 1;
+    uint n = hData->mFftSize;
+    uint ti, fi, ei, ai, i;
+    Complex *h = CreateComplexes(n);
+    uint total, count, pcdone, lastpc;
 
-    pcdone = lastpc = 0;
+    total = hData->mIrCount;
+    for(fi = 0;fi < hData->mFdCount;fi++)
+    {
+        for(ei = 0;ei < hData->mFds[fi].mEvStart;ei++)
+            total -= hData->mFds[fi].mEvs[ei].mAzCount;
+    }
+    total *= channels;
+    count = pcdone = lastpc = 0;
     printf("%3d%% done.", pcdone);
     fflush(stdout);
-
-    step = hData->mIrSize;
-    start = hData->mEvOffset[hData->mEvStart] * step;
-    end = hData->mIrCount * step;
-    n = hData->mFftSize;
-    cplx = calloc(sizeof(*cplx), n);
-    for(j = start;j < end;j += step)
-    {
-        MinimumPhase(n, &hData->mHrirs[j], cplx);
-        FftInverse(n, cplx, cplx);
-        for(i = 0;i < hData->mIrPoints;i++)
-            hData->mHrirs[j+i] = cplx[i].Real;
-        pcdone = (j+step-start) * 100 / (end-start);
-        if(pcdone != lastpc)
-        {
-            lastpc = pcdone;
-            printf("\r%3d%% done.", pcdone);
-            fflush(stdout);
+    for(ti = 0;ti < channels;ti++)
+    {
+        for(fi = 0;fi < hData->mFdCount;fi++)
+        {
+            for(ei = hData->mFds[fi].mEvStart;ei < hData->mFds[fi].mEvCount;ei++)
+            {
+                for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+                {
+                    HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
+
+                    MinimumPhase(n, azd->mIrs[ti], h);
+                    FftInverse(n, h, h);
+                    for(i = 0;i < hData->mIrPoints;i++)
+                        azd->mIrs[ti][i] = h[i].Real;
+                    pcdone = ++count * 100 / total;
+                    if(pcdone != lastpc)
+                    {
+                        lastpc = pcdone;
+                        printf("\r%3d%% done.", pcdone);
+                        fflush(stdout);
+                    }
+                }
+            }
         }
     }
-    free(cplx);
     printf("\n");
+    free(h);
 }
 
 // Resamples the HRIRs for use at the given sampling rate.
 static void ResampleHrirs(const uint rate, HrirDataT *hData)
 {
-    uint n, step, start, end, j;
+    uint channels = (hData->mChannelType == CT_STEREO) ? 2 : 1;
+    uint n = hData->mIrPoints;
+    uint ti, fi, ei, ai;
     ResamplerT rs;
 
     ResamplerSetup(&rs, hData->mIrRate, rate);
-    n = hData->mIrPoints;
-    step = hData->mIrSize;
-    start = hData->mEvOffset[hData->mEvStart] * step;
-    end = hData->mIrCount * step;
-    for(j = start;j < end;j += step)
-        ResamplerRun(&rs, n, &hData->mHrirs[j], n, &hData->mHrirs[j]);
-    ResamplerClear(&rs);
+    for(ti = 0;ti < channels;ti++)
+    {
+        for(fi = 0;fi < hData->mFdCount;fi++)
+        {
+            for(ei = hData->mFds[fi].mEvStart;ei < hData->mFds[fi].mEvCount;ei++)
+            {
+                for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+                {
+                    HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
+
+                    ResamplerRun(&rs, n, azd->mIrs[ti], n, azd->mIrs[ti]);
+                }
+            }
+        }
+    }
     hData->mIrRate = rate;
+    ResamplerClear(&rs);
 }
 
-/* Given an elevation index and an azimuth, calculate the indices of the two
- * HRIRs that bound the coordinate along with a factor for calculating the
- * continous HRIR using interpolation.
+/* Given field and elevation indices and an azimuth, calculate the indices of
+ * the two HRIRs that bound the coordinate along with a factor for
+ * calculating the continuous HRIR using interpolation.
  */
-static void CalcAzIndices(const HrirDataT *hData, const uint ei, const double az, uint *j0, uint *j1, double *jf)
+static void CalcAzIndices(const HrirDataT *hData, const uint fi, const uint ei, const double az, uint *a0, uint *a1, double *af)
 {
-    double af;
-    uint ai;
-
-    af = ((2.0*M_PI) + az) * hData->mAzCount[ei] / (2.0*M_PI);
-    ai = ((uint)af) % hData->mAzCount[ei];
-    af -= floor(af);
+    double f = (2.0*M_PI + az) * hData->mFds[fi].mEvs[ei].mAzCount / (2.0*M_PI);
+    uint i = (uint)f % hData->mFds[fi].mEvs[ei].mAzCount;
 
-    *j0 = hData->mEvOffset[ei] + ai;
-    *j1 = hData->mEvOffset[ei] + ((ai+1) % hData->mAzCount [ei]);
-    *jf = af;
+    f -= floor(f);
+    *a0 = i;
+    *a1 = (i + 1) % hData->mFds[fi].mEvs[ei].mAzCount;
+    *af = f;
 }
 
-// Synthesize any missing onset timings at the bottom elevations.  This just
-// blends between slightly exaggerated known onsets.  Not an accurate model.
+// Synthesize any missing onset timings at the bottom elevations of each
+// field.  This just blends between slightly exaggerated known onsets (not
+// an accurate model).
 static void SynthesizeOnsets(HrirDataT *hData)
 {
-    uint oi, e, a, j0, j1;
-    double t, of, jf;
+    uint channels = (hData->mChannelType == CT_STEREO) ? 2 : 1;
+    uint ti, fi, oi, ai, ei, a0, a1;
+    double t, of, af;
 
-    oi = hData->mEvStart;
-    t = 0.0;
-    for(a = 0;a < hData->mAzCount[oi];a++)
-        t += hData->mHrtds[hData->mEvOffset[oi] + a];
-    hData->mHrtds[0] = 1.32e-4 + (t / hData->mAzCount[oi]);
-    for(e = 1;e < hData->mEvStart;e++)
+    for(ti = 0;ti < channels;ti++)
     {
-        of = ((double)e) / hData->mEvStart;
-        for(a = 0;a < hData->mAzCount[e];a++)
+        for(fi = 0;fi < hData->mFdCount;fi++)
         {
-            CalcAzIndices(hData, oi, a * 2.0 * M_PI / hData->mAzCount[e], &j0, &j1, &jf);
-            hData->mHrtds[hData->mEvOffset[e] + a] = Lerp(hData->mHrtds[0], Lerp(hData->mHrtds[j0], hData->mHrtds[j1], jf), of);
+            if(hData->mFds[fi].mEvStart <= 0)
+                continue;
+            oi = hData->mFds[fi].mEvStart;
+            t = 0.0;
+            for(ai = 0;ai < hData->mFds[fi].mEvs[oi].mAzCount;ai++)
+                t += hData->mFds[fi].mEvs[oi].mAzs[ai].mDelays[ti];
+            hData->mFds[fi].mEvs[0].mAzs[0].mDelays[ti] = 1.32e-4 + (t / hData->mFds[fi].mEvs[oi].mAzCount);
+            for(ei = 1;ei < hData->mFds[fi].mEvStart;ei++)
+            {
+                of = (double)ei / hData->mFds[fi].mEvStart;
+                for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+                {
+                    CalcAzIndices(hData, fi, oi, hData->mFds[fi].mEvs[ei].mAzs[ai].mAzimuth, &a0, &a1, &af);
+                    hData->mFds[fi].mEvs[ei].mAzs[ai].mDelays[ti] = Lerp(hData->mFds[fi].mEvs[0].mAzs[0].mDelays[ti], Lerp(hData->mFds[fi].mEvs[oi].mAzs[a0].mDelays[ti], hData->mFds[fi].mEvs[oi].mAzs[a1].mDelays[ti], af), of);
+                }
+            }
         }
     }
 }
 
-/* Attempt to synthesize any missing HRIRs at the bottom elevations.  Right
- * now this just blends the lowest elevation HRIRs together and applies some
- * attenuation and high frequency damping.  It is a simple, if inaccurate
- * model.
+/* Attempt to synthesize any missing HRIRs at the bottom elevations of each
+ * field.  Right now this just blends the lowest elevation HRIRs together and
+ * applies some attenuation and high frequency damping.  It is a simple, if
+ * inaccurate model.
  */
-static void SynthesizeHrirs (HrirDataT *hData)
+static void SynthesizeHrirs(HrirDataT *hData)
 {
-    uint oi, a, e, step, n, i, j;
+    uint channels = (hData->mChannelType == CT_STEREO) ? 2 : 1;
+    uint n = hData->mIrPoints;
+    uint ti, fi, oi, ai, ei, i;
     double lp[4], s0, s1;
     double of, b;
-    uint j0, j1;
-    double jf;
+    uint a0, a1;
+    double af;
 
-    if(hData->mEvStart <= 0)
-        return;
-    step = hData->mIrSize;
-    oi = hData->mEvStart;
-    n = hData->mIrPoints;
-    for(i = 0;i < n;i++)
-        hData->mHrirs[i] = 0.0;
-    for(a = 0;a < hData->mAzCount[oi];a++)
+    for(ti = 0;ti < channels;ti++)
     {
-        j = (hData->mEvOffset[oi] + a) * step;
-        for(i = 0;i < n;i++)
-            hData->mHrirs[i] += hData->mHrirs[j+i] / hData->mAzCount[oi];
-    }
-    for(e = 1;e < hData->mEvStart;e++)
-    {
-        of = ((double)e) / hData->mEvStart;
-        b = (1.0 - of) * (3.5e-6 * hData->mIrRate);
-        for(a = 0;a < hData->mAzCount[e];a++)
+        for(fi = 0;fi < hData->mFdCount;fi++)
         {
-            j = (hData->mEvOffset[e] + a) * step;
-            CalcAzIndices(hData, oi, a * 2.0 * M_PI / hData->mAzCount[e], &j0, &j1, &jf);
-            j0 *= step;
-            j1 *= step;
+            if(hData->mFds[fi].mEvStart <= 0)
+                continue;
+            oi = hData->mFds[fi].mEvStart;
+            for(i = 0;i < n;i++)
+                hData->mFds[fi].mEvs[0].mAzs[0].mIrs[ti][i] = 0.0;
+            for(ai = 0;ai < hData->mFds[fi].mEvs[oi].mAzCount;ai++)
+            {
+                for(i = 0;i < n;i++)
+                    hData->mFds[fi].mEvs[0].mAzs[0].mIrs[ti][i] += hData->mFds[fi].mEvs[oi].mAzs[ai].mIrs[ti][i] / hData->mFds[fi].mEvs[oi].mAzCount;
+            }
+            for(ei = 1;ei < hData->mFds[fi].mEvStart;ei++)
+            {
+                of = (double)ei / hData->mFds[fi].mEvStart;
+                b = (1.0 - of) * (3.5e-6 * hData->mIrRate);
+                for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+                {
+                    CalcAzIndices(hData, fi, oi, hData->mFds[fi].mEvs[ei].mAzs[ai].mAzimuth, &a0, &a1, &af);
+                    lp[0] = 0.0;
+                    lp[1] = 0.0;
+                    lp[2] = 0.0;
+                    lp[3] = 0.0;
+                    for(i = 0;i < n;i++)
+                    {
+                        s0 = hData->mFds[fi].mEvs[0].mAzs[0].mIrs[ti][i];
+                        s1 = Lerp(hData->mFds[fi].mEvs[oi].mAzs[a0].mIrs[ti][i], hData->mFds[fi].mEvs[oi].mAzs[a1].mIrs[ti][i], af);
+                        s0 = Lerp(s0, s1, of);
+                        lp[0] = Lerp(s0, lp[0], b);
+                        lp[1] = Lerp(lp[0], lp[1], b);
+                        lp[2] = Lerp(lp[1], lp[2], b);
+                        lp[3] = Lerp(lp[2], lp[3], b);
+                        hData->mFds[fi].mEvs[ei].mAzs[ai].mIrs[ti][i] = lp[3];
+                    }
+                }
+            }
+            b = 3.5e-6 * hData->mIrRate;
             lp[0] = 0.0;
             lp[1] = 0.0;
             lp[2] = 0.0;
             lp[3] = 0.0;
             for(i = 0;i < n;i++)
             {
-                s0 = hData->mHrirs[i];
-                s1 = Lerp(hData->mHrirs[j0+i], hData->mHrirs[j1+i], jf);
-                s0 = Lerp(s0, s1, of);
+                s0 = hData->mFds[fi].mEvs[0].mAzs[0].mIrs[ti][i];
                 lp[0] = Lerp(s0, lp[0], b);
                 lp[1] = Lerp(lp[0], lp[1], b);
                 lp[2] = Lerp(lp[1], lp[2], b);
                 lp[3] = Lerp(lp[2], lp[3], b);
-                hData->mHrirs[j+i] = lp[3];
+                hData->mFds[fi].mEvs[0].mAzs[0].mIrs[ti][i] = lp[3];
             }
+            hData->mFds[fi].mEvStart = 0;
         }
     }
-    b = 3.5e-6 * hData->mIrRate;
-    lp[0] = 0.0;
-    lp[1] = 0.0;
-    lp[2] = 0.0;
-    lp[3] = 0.0;
-    for(i = 0;i < n;i++)
-    {
-        s0 = hData->mHrirs[i];
-        lp[0] = Lerp(s0, lp[0], b);
-        lp[1] = Lerp(lp[0], lp[1], b);
-        lp[2] = Lerp(lp[1], lp[2], b);
-        lp[3] = Lerp(lp[2], lp[3], b);
-        hData->mHrirs[i] = lp[3];
-    }
-    hData->mEvStart = 0;
 }
 
 // The following routines assume a full set of HRIRs for all elevations.
 
 // Normalize the HRIR set and slightly attenuate the result.
-static void NormalizeHrirs (const HrirDataT *hData)
+static void NormalizeHrirs(const HrirDataT *hData)
 {
-    uint step, end, n, j, i;
-    double maxLevel;
+    uint channels = (hData->mChannelType == CT_STEREO) ? 2 : 1;
+    uint n = hData->mIrPoints;
+    uint ti, fi, ei, ai, i;
+    double maxLevel = 0.0;
 
-    step = hData->mIrSize;
-    end = hData->mIrCount * step;
-    n = hData->mIrPoints;
-    maxLevel = 0.0;
-    for(j = 0;j < end;j += step)
+    for(ti = 0;ti < channels;ti++)
     {
-        for(i = 0;i < n;i++)
-            maxLevel = fmax(fabs(hData->mHrirs[j+i]), maxLevel);
+        for(fi = 0;fi < hData->mFdCount;fi++)
+        {
+            for(ei = 0;ei < hData->mFds[fi].mEvCount;ei++)
+            {
+                for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+                {
+                    HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
+
+                    for(i = 0;i < n;i++)
+                        maxLevel = fmax(fabs(azd->mIrs[ti][i]), maxLevel);
+                }
+            }
+        }
     }
     maxLevel = 1.01 * maxLevel;
-    for(j = 0;j < end;j += step)
+    for(ti = 0;ti < channels;ti++)
     {
-        for(i = 0;i < n;i++)
-            hData->mHrirs[j+i] /= maxLevel;
+        for(fi = 0;fi < hData->mFdCount;fi++)
+        {
+            for(ei = 0;ei < hData->mFds[fi].mEvCount;ei++)
+            {
+                for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+                {
+                    HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
+
+                    for(i = 0;i < n;i++)
+                        azd->mIrs[ti][i] /= maxLevel;
+                }
+            }
+        }
     }
 }
 
@@ -2326,93 +2469,259 @@ static double CalcLTD(const double ev, const double az, const double rad, const
     al = (0.5 * M_PI) + azp;
     if(dlp > l)
         dlp = l + (rad * (al - acos(rad / dist)));
-    return (dlp / 343.3);
+    return dlp / 343.3;
 }
 
 // Calculate the effective head-related time delays for each minimum-phase
 // HRIR.
-static void CalculateHrtds (const HeadModelT model, const double radius, HrirDataT *hData)
+static void CalculateHrtds(const HeadModelT model, const double radius, HrirDataT *hData)
 {
-    double minHrtd, maxHrtd;
-    uint e, a, j;
+    uint channels = (hData->mChannelType == CT_STEREO) ? 2 : 1;
+    double minHrtd = INFINITY, maxHrtd = -INFINITY;
+    uint ti, fi, ei, ai;
     double t;
 
-    minHrtd = 1000.0;
-    maxHrtd = -1000.0;
-    for(e = 0;e < hData->mEvCount;e++)
+    if(model == HM_DATASET)
     {
-        for(a = 0;a < hData->mAzCount[e];a++)
+        for(ti = 0;ti < channels;ti++)
         {
-            j = hData->mEvOffset[e] + a;
-            if(model == HM_DATASET)
-                t = hData->mHrtds[j] * radius / hData->mRadius;
-            else
-                t = CalcLTD((-90.0 + (e * 180.0 / (hData->mEvCount - 1))) * M_PI / 180.0,
-                            (a * 360.0 / hData->mAzCount [e]) * M_PI / 180.0,
-                            radius, hData->mDistance);
-            hData->mHrtds[j] = t;
-            maxHrtd = fmax(t, maxHrtd);
-            minHrtd = fmin(t, minHrtd);
+            for(fi = 0;fi < hData->mFdCount;fi++)
+            {
+                for(ei = 0;ei < hData->mFds[fi].mEvCount;ei++)
+                {
+                    for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+                    {
+                        HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
+
+                        t = azd->mDelays[ti] * radius / hData->mRadius;
+                        azd->mDelays[ti] = t;
+                        maxHrtd = fmax(t, maxHrtd);
+                        minHrtd = fmin(t, minHrtd);
+                    }
+                }
+            }
+        }
+    }
+    else
+    {
+        for(ti = 0;ti < channels;ti++)
+        {
+            for(fi = 0;fi < hData->mFdCount;fi++)
+            {
+                for(ei = 0;ei < hData->mFds[fi].mEvCount;ei++)
+                {
+                    HrirEvT *evd = &hData->mFds[fi].mEvs[ei];
+
+                    for(ai = 0;ai < evd->mAzCount;ai++)
+                    {
+                        HrirAzT *azd = &evd->mAzs[ai];
+
+                        t = CalcLTD(evd->mElevation, azd->mAzimuth, radius, hData->mFds[fi].mDistance);
+                        azd->mDelays[ti] = t;
+                        maxHrtd = fmax(t, maxHrtd);
+                        minHrtd = fmin(t, minHrtd);
+                    }
+                }
+            }
+        }
+    }
+    for(ti = 0;ti < channels;ti++)
+    {
+        for(fi = 0;fi < hData->mFdCount;fi++)
+        {
+            for(ei = 0;ei < hData->mFds[fi].mEvCount;ei++)
+            {
+                for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+                    hData->mFds[fi].mEvs[ei].mAzs[ai].mDelays[ti] -= minHrtd;
+            }
+        }
+    }
+}
+
+// Clear the initial HRIR data state.
+static void ResetHrirData(HrirDataT *hData)
+{
+    hData->mIrRate = 0;
+    hData->mSampleType = ST_S24;
+    hData->mChannelType = CT_NONE;
+    hData->mIrPoints = 0;
+    hData->mFftSize = 0;
+    hData->mIrSize = 0;
+    hData->mRadius = 0.0;
+    hData->mIrCount = 0;
+    hData->mFdCount = 0;
+    hData->mFds = NULL;
+}
+
+// Allocate and configure dynamic HRIR structures.
+static int PrepareHrirData(const uint fdCount, const double distances[MAX_FD_COUNT], const uint evCounts[MAX_FD_COUNT], const uint azCounts[MAX_FD_COUNT * MAX_EV_COUNT], HrirDataT *hData)
+{
+    uint evTotal = 0, azTotal = 0, fi, ei, ai;
+
+    for(fi = 0;fi < fdCount;fi++)
+    {
+        evTotal += evCounts[fi];
+        for(ei = 0;ei < evCounts[fi];ei++)
+            azTotal += azCounts[(fi * MAX_EV_COUNT) + ei];
+    }
+    hData->mFds = calloc(fdCount, sizeof(*hData->mFds));
+    if(hData->mFds == NULL)
+        return 0;
+    hData->mFds[0].mEvs = calloc(evTotal, sizeof(*hData->mFds[0].mEvs));
+    if(hData->mFds[0].mEvs == NULL)
+        return 0;
+    hData->mFds[0].mEvs[0].mAzs = calloc(azTotal, sizeof(*hData->mFds[0].mEvs[0].mAzs));
+    if(hData->mFds[0].mEvs[0].mAzs == NULL)
+        return 0;
+    hData->mIrCount = azTotal;
+    hData->mFdCount = fdCount;
+    evTotal = 0;
+    azTotal = 0;
+    for(fi = 0;fi < fdCount;fi++)
+    {
+        hData->mFds[fi].mDistance = distances[fi];
+        hData->mFds[fi].mEvCount = evCounts[fi];
+        hData->mFds[fi].mEvStart = 0;
+        hData->mFds[fi].mEvs = &hData->mFds[0].mEvs[evTotal];
+        evTotal += evCounts[fi];
+        for(ei = 0;ei < evCounts[fi];ei++)
+        {
+            uint azCount = azCounts[(fi * MAX_EV_COUNT) + ei];
+
+            hData->mFds[fi].mIrCount += azCount;
+            hData->mFds[fi].mEvs[ei].mElevation = -M_PI / 2.0 + M_PI * ei / (evCounts[fi] - 1);
+            hData->mFds[fi].mEvs[ei].mIrCount += azCount;
+            hData->mFds[fi].mEvs[ei].mAzCount = azCount;
+            hData->mFds[fi].mEvs[ei].mAzs = &hData->mFds[0].mEvs[0].mAzs[azTotal];
+            for(ai = 0;ai < azCount;ai++)
+            {
+                hData->mFds[fi].mEvs[ei].mAzs[ai].mAzimuth = 2.0 * M_PI * ai / azCount;
+                hData->mFds[fi].mEvs[ei].mAzs[ai].mIndex = azTotal + ai;
+                hData->mFds[fi].mEvs[ei].mAzs[ai].mDelays[0] = 0.0;
+                hData->mFds[fi].mEvs[ei].mAzs[ai].mDelays[1] = 0.0;
+                hData->mFds[fi].mEvs[ei].mAzs[ai].mIrs[0] = NULL;
+                hData->mFds[fi].mEvs[ei].mAzs[ai].mIrs[1] = NULL;
+            }
+            azTotal += azCount;
         }
     }
-    maxHrtd -= minHrtd;
-    for(j = 0;j < hData->mIrCount;j++)
-        hData->mHrtds[j] -= minHrtd;
-    hData->mMaxHrtd = maxHrtd;
+    return 1;
 }
 
+// Clean up HRIR data.
+static void FreeHrirData(HrirDataT *hData)
+{
+    if(hData->mFds != NULL)
+    {
+        if(hData->mFds[0].mEvs != NULL)
+        {
+            if(hData->mFds[0].mEvs[0].mAzs)
+            {
+                if(hData->mFds[0].mEvs[0].mAzs[0].mIrs[0] != NULL)
+                    free(hData->mFds[0].mEvs[0].mAzs[0].mIrs[0]);
+                free(hData->mFds[0].mEvs[0].mAzs);
+            }
+            free(hData->mFds[0].mEvs);
+        }
+        free(hData->mFds);
+        hData->mFds = NULL;
+    }
+}
+
+// Match the channel type from a given identifier.
+static ChannelTypeT MatchChannelType(const char *ident)
+{
+    if(strcasecmp(ident, "mono") == 0)
+        return CT_MONO;
+    if(strcasecmp(ident, "stereo") == 0)
+        return CT_STEREO;
+    return CT_NONE;
+}
 
 // Process the data set definition to read and validate the data set metrics.
 static int ProcessMetrics(TokenReaderT *tr, const uint fftSize, const uint truncSize, HrirDataT *hData)
 {
-    int hasRate = 0, hasPoints = 0, hasAzimuths = 0;
-    int hasRadius = 0, hasDistance = 0;
+    int hasRate = 0, hasType = 0, hasPoints = 0, hasRadius = 0;
+    int hasDistance = 0, hasAzimuths = 0;
     char ident[MAX_IDENT_LEN+1];
     uint line, col;
     double fpVal;
     uint points;
     int intVal;
+    double distances[MAX_FD_COUNT];
+    uint fdCount = 0;
+    uint evCounts[MAX_FD_COUNT];
+    uint *azCounts = calloc(MAX_FD_COUNT * MAX_EV_COUNT, sizeof(*azCounts));
 
-    while(!(hasRate && hasPoints && hasAzimuths && hasRadius && hasDistance))
+    if(azCounts == NULL)
     {
-        TrIndication(tr, & line, & col);
+        fprintf(stderr, "Error:  Out of memory.\n");
+        exit(-1);
+    }
+    TrIndication(tr, &line, &col);
+    while(TrIsIdent(tr))
+    {
+        TrIndication(tr, &line, &col);
         if(!TrReadIdent(tr, MAX_IDENT_LEN, ident))
-            return 0;
+            goto error;
         if(strcasecmp(ident, "rate") == 0)
         {
             if(hasRate)
             {
                 TrErrorAt(tr, line, col, "Redefinition of 'rate'.\n");
-                return 0;
+                goto error;
             }
             if(!TrReadOperator(tr, "="))
-                return 0;
+                goto error;
             if(!TrReadInt(tr, MIN_RATE, MAX_RATE, &intVal))
-                return 0;
+                goto error;
             hData->mIrRate = (uint)intVal;
             hasRate = 1;
         }
+        else if(strcasecmp(ident, "type") == 0)
+        {
+            char type[MAX_IDENT_LEN+1];
+
+            if(hasType)
+            {
+                TrErrorAt(tr, line, col, "Redefinition of 'type'.\n");
+                goto error;
+            }
+            if(!TrReadOperator(tr, "="))
+                goto error;
+
+            if(!TrReadIdent(tr, MAX_IDENT_LEN, type))
+                goto error;
+            hData->mChannelType = MatchChannelType(type);
+            if(hData->mChannelType == CT_NONE)
+            {
+                TrErrorAt(tr, line, col, "Expected a channel type.\n");
+                goto error;
+            }
+            hasType = 1;
+        }
         else if(strcasecmp(ident, "points") == 0)
         {
-            if (hasPoints) {
+            if(hasPoints)
+            {
                 TrErrorAt(tr, line, col, "Redefinition of 'points'.\n");
-                return 0;
+                goto error;
             }
             if(!TrReadOperator(tr, "="))
-                return 0;
+                goto error;
             TrIndication(tr, &line, &col);
             if(!TrReadInt(tr, MIN_POINTS, MAX_POINTS, &intVal))
-                return 0;
+                goto error;
             points = (uint)intVal;
             if(fftSize > 0 && points > fftSize)
             {
                 TrErrorAt(tr, line, col, "Value exceeds the overridden FFT size.\n");
-                return 0;
+                goto error;
             }
             if(points < truncSize)
             {
                 TrErrorAt(tr, line, col, "Value is below the truncation size.\n");
-                return 0;
+                goto error;
             }
             hData->mIrPoints = points;
             if(fftSize <= 0)
@@ -2429,90 +2738,178 @@ static int ProcessMetrics(TokenReaderT *tr, const uint fftSize, const uint trunc
             }
             hasPoints = 1;
         }
-        else if(strcasecmp(ident, "azimuths") == 0)
+        else if(strcasecmp(ident, "radius") == 0)
         {
-            if(hasAzimuths)
+            if(hasRadius)
             {
-                TrErrorAt(tr, line, col, "Redefinition of 'azimuths'.\n");
-                return 0;
+                TrErrorAt(tr, line, col, "Redefinition of 'radius'.\n");
+                goto error;
             }
             if(!TrReadOperator(tr, "="))
-                return 0;
-            hData->mIrCount = 0;
-            hData->mEvCount = 0;
-            hData->mEvOffset[0] = 0;
+                goto error;
+            if(!TrReadFloat(tr, MIN_RADIUS, MAX_RADIUS, &fpVal))
+                goto error;
+            hData->mRadius = fpVal;
+            hasRadius = 1;
+        }
+        else if(strcasecmp(ident, "distance") == 0)
+        {
+            uint count = 0;
+
+            if(hasDistance)
+            {
+                TrErrorAt(tr, line, col, "Redefinition of 'distance'.\n");
+                goto error;
+            }
+            if(!TrReadOperator(tr, "="))
+                goto error;
+
             for(;;)
             {
-                if(!TrReadInt(tr, MIN_AZ_COUNT, MAX_AZ_COUNT, &intVal))
-                    return 0;
-                hData->mAzCount[hData->mEvCount] = (uint)intVal;
-                hData->mIrCount += (uint)intVal;
-                hData->mEvCount ++;
+                if(!TrReadFloat(tr, MIN_DISTANCE, MAX_DISTANCE, &fpVal))
+                    goto error;
+                if(count > 0 && fpVal <= distances[count - 1])
+                {
+                    TrError(tr, "Distances are not ascending.\n");
+                    goto error;
+                }
+                distances[count++] = fpVal;
                 if(!TrIsOperator(tr, ","))
                     break;
-                if(hData->mEvCount >= MAX_EV_COUNT)
+                if(count >= MAX_FD_COUNT)
                 {
-                    TrError(tr, "Exceeded the maximum of %d elevations.\n", MAX_EV_COUNT);
-                    return 0;
+                    TrError(tr, "Exceeded the maximum of %d fields.\n", MAX_FD_COUNT);
+                    goto error;
                 }
-                hData->mEvOffset[hData->mEvCount] = hData->mEvOffset[hData->mEvCount - 1] + ((uint)intVal);
                 TrReadOperator(tr, ",");
             }
-            if(hData->mEvCount < MIN_EV_COUNT)
+            if(fdCount != 0 && count != fdCount)
             {
-                TrErrorAt(tr, line, col, "Did not reach the minimum of %d azimuth counts.\n", MIN_EV_COUNT);
-                return 0;
+                TrError(tr, "Did not match the specified number of %d fields.\n", fdCount);
+                goto error;
             }
-            hasAzimuths = 1;
+            fdCount = count;
+            hasDistance = 1;
         }
-        else if(strcasecmp(ident, "radius") == 0)
+        else if(strcasecmp(ident, "azimuths") == 0)
         {
-            if(hasRadius)
+            uint count = 0;
+
+            if(hasAzimuths)
             {
-                TrErrorAt(tr, line, col, "Redefinition of 'radius'.\n");
-                return 0;
+                TrErrorAt(tr, line, col, "Redefinition of 'azimuths'.\n");
+                goto error;
             }
             if(!TrReadOperator(tr, "="))
-                return 0;
-            if(!TrReadFloat(tr, MIN_RADIUS, MAX_RADIUS, &fpVal))
-                return 0;
-            hData->mRadius = fpVal;
-            hasRadius = 1;
-        }
-        else if(strcasecmp(ident, "distance") == 0)
-        {
-            if(hasDistance)
+                goto error;
+
+            evCounts[0] = 0;
+            for(;;)
             {
-                TrErrorAt(tr, line, col, "Redefinition of 'distance'.\n");
-                return 0;
+                if(!TrReadInt(tr, MIN_AZ_COUNT, MAX_AZ_COUNT, &intVal))
+                    goto error;
+                azCounts[(count * MAX_EV_COUNT) + evCounts[count]++] = (uint)intVal;
+                if(TrIsOperator(tr, ","))
+                {
+                    if(evCounts[count] >= MAX_EV_COUNT)
+                    {
+                        TrError(tr, "Exceeded the maximum of %d elevations.\n", MAX_EV_COUNT);
+                        goto error;
+                    }
+                    TrReadOperator(tr, ",");
+                }
+                else
+                {
+                    if(evCounts[count] < MIN_EV_COUNT)
+                    {
+                        TrErrorAt(tr, line, col, "Did not reach the minimum of %d azimuth counts.\n", MIN_EV_COUNT);
+                        goto error;
+                    }
+                    if(azCounts[count * MAX_EV_COUNT] != 1 || azCounts[(count * MAX_EV_COUNT) + evCounts[count] - 1] != 1)
+                    {
+                        TrError(tr, "Poles are not singular for field %d.\n", count - 1);
+                        goto error;
+                    }
+                    count++;
+                    if(TrIsOperator(tr, ";"))
+                    {
+                        if(count >= MAX_FD_COUNT)
+                        {
+                            TrError(tr, "Exceeded the maximum number of %d fields.\n", MAX_FD_COUNT);
+                            goto error;
+                        }
+                        evCounts[count] = 0;
+                        TrReadOperator(tr, ";");
+                    }
+                    else
+                    {
+                        break;
+                    }
+                }
             }
-            if(!TrReadOperator(tr, "="))
-                return 0;
-            if(!TrReadFloat(tr, MIN_DISTANCE, MAX_DISTANCE, & fpVal))
-                return 0;
-            hData->mDistance = fpVal;
-            hasDistance = 1;
+            if(fdCount != 0 && count != fdCount)
+            {
+                TrError(tr, "Did not match the specified number of %d fields.\n", fdCount);
+                goto error;
+            }
+            fdCount = count;
+            hasAzimuths = 1;
         }
         else
         {
             TrErrorAt(tr, line, col, "Expected a metric name.\n");
-            return 0;
+            goto error;
         }
-        TrSkipWhitespace (tr);
+        TrSkipWhitespace(tr);
+    }
+    if(!(hasRate && hasPoints && hasRadius && hasDistance && hasAzimuths))
+    {
+        TrErrorAt(tr, line, col, "Expected a metric name.\n");
+        goto error;
     }
+    if(distances[0] < hData->mRadius)
+    {
+        TrError(tr, "Distance cannot start below head radius.\n");
+        goto error;
+    }
+    if(hData->mChannelType == CT_NONE)
+        hData->mChannelType = CT_MONO;
+    if(!PrepareHrirData(fdCount, distances, evCounts, azCounts, hData))
+    {
+        fprintf(stderr, "Error:  Out of memory.\n");
+        exit(-1);
+    }
+    free(azCounts);
     return 1;
+
+error:
+    free(azCounts);
+    return 0;
 }
 
-// Parse an index pair from the data set definition.
-static int ReadIndexPair(TokenReaderT *tr, const HrirDataT *hData, uint *ei, uint *ai)
+// Parse an index triplet from the data set definition.
+static int ReadIndexTriplet(TokenReaderT *tr, const HrirDataT *hData, uint *fi, uint *ei, uint *ai)
 {
     int intVal;
-    if(!TrReadInt(tr, 0, (int)hData->mEvCount, &intVal))
+
+    if(hData->mFdCount > 1)
+    {
+        if(!TrReadInt(tr, 0, (int)hData->mFdCount - 1, &intVal))
+            return 0;
+        *fi = (uint)intVal;
+        if(!TrReadOperator(tr, ","))
+            return 0;
+    }
+    else
+    {
+        *fi = 0;
+    }
+    if(!TrReadInt(tr, 0, (int)hData->mFds[*fi].mEvCount - 1, &intVal))
         return 0;
     *ei = (uint)intVal;
     if(!TrReadOperator(tr, ","))
         return 0;
-    if(!TrReadInt(tr, 0, (int)hData->mAzCount[*ei], &intVal))
+    if(!TrReadInt(tr, 0, (int)hData->mFds[*fi].mEvs[*ei].mAzCount - 1, &intVal))
         return 0;
     *ai = (uint)intVal;
     return 1;
@@ -2598,7 +2995,7 @@ static int ReadSourceRef(TokenReaderT *tr, SourceRefT *src)
                     TrIndication(tr, &line, &col);
                     if(!TrReadInt(tr, -2147483647-1, 2147483647, &intVal))
                         return 0;
-                    if(abs(intVal) < MIN_BIN_BITS || ((uint)abs(intVal)) > (8*src->mSize))
+                    if(abs(intVal) < MIN_BIN_BITS || (uint)abs(intVal) > (8*src->mSize))
                     {
                         TrErrorAt(tr, line, col, "Expected a value of (+/-) %d to %d.\n", MIN_BIN_BITS, 8*src->mSize);
                         return 0;
@@ -2640,7 +3037,7 @@ static int ReadSourceRef(TokenReaderT *tr, SourceRefT *src)
         else
         {
             TrReadOperator(tr, ";");
-            if(!TrReadInt (tr, 0, 0x7FFFFFFF, &intVal))
+            if(!TrReadInt(tr, 0, 0x7FFFFFFF, &intVal))
                 return 0;
             src->mSkip = (uint)intVal;
         }
@@ -2663,32 +3060,41 @@ static int ReadSourceRef(TokenReaderT *tr, SourceRefT *src)
     return 1;
 }
 
+// Match the target ear (index) from a given identifier.
+static int MatchTargetEar(const char *ident)
+{
+    if(strcasecmp(ident, "left") == 0)
+        return 0;
+    if(strcasecmp(ident, "right") == 0)
+        return 1;
+    return -1;
+}
+
 // Process the list of sources in the data set definition.
 static int ProcessSources(const HeadModelT model, TokenReaderT *tr, HrirDataT *hData)
 {
-    uint *setCount, *setFlag;
-    uint line, col, ei, ai;
-    SourceRefT src;
-    double factor;
-    double *hrir;
+    uint channels = (hData->mChannelType == CT_STEREO) ? 2 : 1;
+    double *hrirs = CreateDoubles(channels * hData->mIrCount * hData->mIrSize);
+    double *hrir = CreateDoubles(hData->mIrPoints);
+    uint line, col, fi, ei, ai, ti;
     int count;
 
     printf("Loading sources...");
     fflush(stdout);
-
     count = 0;
-    setCount = (uint*)calloc(hData->mEvCount, sizeof(uint));
-    setFlag = (uint*)calloc(hData->mIrCount, sizeof(uint));
-    hrir = CreateArray(hData->mIrPoints);
     while(TrIsOperator(tr, "["))
     {
-        TrIndication(tr, & line, & col);
+        double factor[2] = { 1.0, 1.0 };
+
+        TrIndication(tr, &line, &col);
         TrReadOperator(tr, "[");
-        if(!ReadIndexPair(tr, hData, &ei, &ai))
+        if(!ReadIndexTriplet(tr, hData, &fi, &ei, &ai))
             goto error;
         if(!TrReadOperator(tr, "]"))
             goto error;
-        if(setFlag[hData->mEvOffset[ei] + ai])
+        HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
+
+        if(azd->mIrs[0] != NULL)
         {
             TrErrorAt(tr, line, col, "Redefinition of source.\n");
             goto error;
@@ -2696,9 +3102,11 @@ static int ProcessSources(const HeadModelT model, TokenReaderT *tr, HrirDataT *h
         if(!TrReadOperator(tr, "="))
             goto error;
 
-        factor = 1.0;
         for(;;)
         {
+            SourceRefT src;
+            uint ti = 0;
+
             if(!ReadSourceRef(tr, &src))
                 goto error;
 
@@ -2712,48 +3120,101 @@ static int ProcessSources(const HeadModelT model, TokenReaderT *tr, HrirDataT *h
             if(!LoadSource(&src, hData->mIrRate, hData->mIrPoints, hrir))
                 goto error;
 
+            if(hData->mChannelType == CT_STEREO)
+            {
+                char ident[MAX_IDENT_LEN+1];
+
+                if(!TrReadIdent(tr, MAX_IDENT_LEN, ident))
+                    goto error;
+                ti = MatchTargetEar(ident);
+                if((int)ti < 0)
+                {
+                    TrErrorAt(tr, line, col, "Expected a target ear.\n");
+                    goto error;
+                }
+            }
+            azd->mIrs[ti] = &hrirs[hData->mIrSize * (ti * hData->mIrCount + azd->mIndex)];
             if(model == HM_DATASET)
-                AverageHrirOnset(hrir, 1.0 / factor, ei, ai, hData);
-            AverageHrirMagnitude(hrir, 1.0 / factor, ei, ai, hData);
-            factor += 1.0;
+                azd->mDelays[ti] = AverageHrirOnset(hData->mIrRate, hData->mIrPoints, hrir, 1.0 / factor[ti], azd->mDelays[ti]);
+            AverageHrirMagnitude(hData->mIrPoints, hData->mFftSize, hrir, 1.0 / factor[ti], azd->mIrs[ti]);
+            factor[ti] += 1.0;
             if(!TrIsOperator(tr, "+"))
                 break;
             TrReadOperator(tr, "+");
         }
-        setFlag[hData->mEvOffset[ei] + ai] = 1;
-        setCount[ei]++;
+        if(hData->mChannelType == CT_STEREO)
+        {
+            if(azd->mIrs[0] == NULL)
+            {
+                TrErrorAt(tr, line, col, "Missing left ear source reference(s).\n");
+                goto error;
+            }
+            else if(azd->mIrs[1] == NULL)
+            {
+                TrErrorAt(tr, line, col, "Missing right ear source reference(s).\n");
+                goto error;
+            }
+        }
     }
     printf("\n");
+    for(fi = 0;fi < hData->mFdCount;fi++)
+    {
+        for(ei = 0;ei < hData->mFds[fi].mEvCount;ei++)
+        {
+            for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+            {
+                HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
 
-    ei = 0;
-    while(ei < hData->mEvCount && setCount[ei] < 1)
-        ei++;
-    if(ei < hData->mEvCount)
+                if(azd->mIrs[0] != NULL)
+                    break;
+            }
+            if(ai < hData->mFds[fi].mEvs[ei].mAzCount)
+                break;
+        }
+        if(ei >= hData->mFds[fi].mEvCount)
+        {
+            TrError(tr, "Missing source references [ %d, *, * ].\n", fi);
+            goto error;
+        }
+        hData->mFds[fi].mEvStart = ei;
+        for(;ei < hData->mFds[fi].mEvCount;ei++)
+        {
+            for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+            {
+                HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
+
+                if(azd->mIrs[0] == NULL)
+                {
+                    TrError(tr, "Missing source reference [ %d, %d, %d ].\n", fi, ei, ai);
+                    goto error;
+                }
+            }
+        }
+    }
+    for(ti = 0;ti < channels;ti++)
     {
-        hData->mEvStart = ei;
-        while(ei < hData->mEvCount && setCount[ei] == hData->mAzCount[ei])
-            ei++;
-        if(ei >= hData->mEvCount)
+        for(fi = 0;fi < hData->mFdCount;fi++)
         {
-            if(!TrLoad(tr))
+            for(ei = 0;ei < hData->mFds[fi].mEvCount;ei++)
             {
-                DestroyArray(hrir);
-                free(setFlag);
-                free(setCount);
-                return 1;
+                for(ai = 0;ai < hData->mFds[fi].mEvs[ei].mAzCount;ai++)
+                {
+                    HrirAzT *azd = &hData->mFds[fi].mEvs[ei].mAzs[ai];
+
+                    azd->mIrs[ti] = &hrirs[hData->mIrSize * (ti * hData->mIrCount + azd->mIndex)];
+                }
             }
-            TrError(tr, "Errant data at end of source list.\n");
         }
-        else
-            TrError(tr, "Missing sources for elevation index %d.\n", ei);
     }
-    else
-        TrError(tr, "Missing source references.\n");
+    if(!TrLoad(tr))
+    {
+        free(hrir);
+        return 1;
+    }
+    TrError(tr, "Errant data at end of source list.\n");
 
 error:
-    DestroyArray(hrir);
-    free(setFlag);
-    free(setCount);
+    free(hrir);
     return 0;
 }
 
@@ -2761,7 +3222,7 @@ error:
  * resulting data set as desired.  If the input name is NULL it will read
  * from standard input.
  */
-static int ProcessDefinition(const char *inName, const uint outRate, const uint fftSize, const int equalize, const int surface, const double limit, const uint truncSize, const HeadModelT model, const double radius, const int experimental, const char *outName)
+static int ProcessDefinition(const char *inName, const uint outRate, const uint fftSize, const int equalize, const int surface, const double limit, const uint truncSize, const HeadModelT model, const double radius, const char *outName)
 {
     char rateStr[8+1], expName[MAX_PATH_LEN];
     TokenReaderT tr;
@@ -2769,16 +3230,7 @@ static int ProcessDefinition(const char *inName, const uint outRate, const uint
     FILE *fp;
     int ret;
 
-    hData.mIrRate = 0;
-    hData.mSampleType = ST_S24;
-    hData.mChannelType = CT_LEFTONLY;
-    hData.mIrPoints = 0;
-    hData.mFftSize = 0;
-    hData.mIrSize = 0;
-    hData.mIrCount = 0;
-    hData.mEvCount = 0;
-    hData.mRadius = 0;
-    hData.mDistance = 0;
+    ResetHrirData(&hData);
     fprintf(stdout, "Reading HRIR definition from %s...\n", inName?inName:"stdin");
     if(inName != NULL)
     {
@@ -2801,12 +3253,9 @@ static int ProcessDefinition(const char *inName, const uint outRate, const uint
             fclose(fp);
         return 0;
     }
-    hData.mHrirs = CreateArray(hData.mIrCount * hData.mIrSize);
-    hData.mHrtds = CreateArray(hData.mIrCount);
     if(!ProcessSources(model, &tr, &hData))
     {
-        DestroyArray(hData.mHrtds);
-        DestroyArray(hData.mHrirs);
+        FreeHrirData(&hData);
         if(inName != NULL)
             fclose(fp);
         return 0;
@@ -2815,12 +3264,15 @@ static int ProcessDefinition(const char *inName, const uint outRate, const uint
         fclose(fp);
     if(equalize)
     {
-        double *dfa = CreateArray(1 + (hData.mFftSize/2));
+        uint c = (hData.mChannelType == CT_STEREO) ? 2 : 1;
+        uint m = 1 + hData.mFftSize / 2;
+        double *dfa = CreateDoubles(c * m);
+
         fprintf(stdout, "Calculating diffuse-field average...\n");
-        CalculateDiffuseFieldAverage(&hData, surface, limit, dfa);
+        CalculateDiffuseFieldAverage(&hData, c, m, surface, limit, dfa);
         fprintf(stdout, "Performing diffuse-field equalization...\n");
-        DiffuseFieldEqualize(dfa, &hData);
-        DestroyArray(dfa);
+        DiffuseFieldEqualize(c, m, dfa, &hData);
+        free(dfa);
     }
     fprintf(stdout, "Performing minimum phase reconstruction...\n");
     ReconstructHrirs(&hData);
@@ -2842,16 +3294,15 @@ static int ProcessDefinition(const char *inName, const uint outRate, const uint
     snprintf(rateStr, 8, "%u", hData.mIrRate);
     StrSubst(outName, "%r", rateStr, MAX_PATH_LEN, expName);
     fprintf(stdout, "Creating MHR data set %s...\n", expName);
-    ret = StoreMhr(&hData, experimental, expName);
+    ret = StoreMhr(&hData, expName);
 
-    DestroyArray(hData.mHrtds);
-    DestroyArray(hData.mHrirs);
+    FreeHrirData(&hData);
     return ret;
 }
 
 static void PrintHelp(const char *argv0, FILE *ofile)
 {
-    fprintf(ofile, "Usage:  %s <command> [<option>...]\n\n", argv0);
+    fprintf(ofile, "Usage:  %s [<option>...]\n\n", argv0);
     fprintf(ofile, "Options:\n");
     fprintf(ofile, " -m              Ignored for compatibility.\n");
     fprintf(ofile, " -r <rate>       Change the data set sample rate to the specified value and\n");
@@ -2867,8 +3318,8 @@ static void PrintHelp(const char *argv0, FILE *ofile)
     fprintf(ofile, "     sphere}     values (default: %s).\n", ((DEFAULT_HEAD_MODEL == HM_DATASET) ? "dataset" : "sphere"));
     fprintf(ofile, " -c <size>       Use a customized head radius measured ear-to-ear in meters.\n");
     fprintf(ofile, " -i <filename>   Specify an HRIR definition file to use (defaults to stdin).\n");
-    fprintf(ofile, " -o <filename>   Specify an output file.  Overrides command-selected default.\n");
-    fprintf(ofile, "                 Use of '%%r' will be substituted with the data set sample rate.\n");
+    fprintf(ofile, " -o <filename>   Specify an output file. Use of '%%r' will be substituted with\n");
+    fprintf(ofile, "                 the data set sample rate.\n");
 }
 
 // Standard command line dispatch.
@@ -2877,7 +3328,6 @@ int main(int argc, char *argv[])
     const char *inName = NULL, *outName = NULL;
     uint outRate, fftSize;
     int equalize, surface;
-    int experimental;
     char *end = NULL;
     HeadModelT model;
     uint truncSize;
@@ -2903,9 +3353,8 @@ int main(int argc, char *argv[])
     truncSize = DEFAULT_TRUNCSIZE;
     model = DEFAULT_HEAD_MODEL;
     radius = DEFAULT_CUSTOM_RADIUS;
-    experimental = 0;
 
-    while((opt=getopt(argc, argv, "mr:f:e:s:l:w:d:c:e:i:o:xh")) != -1)
+    while((opt=getopt(argc, argv, "mr:f:e:s:l:w:d:c:e:i:o:h")) != -1)
     {
         switch(opt)
         {
@@ -3007,10 +3456,6 @@ int main(int argc, char *argv[])
             outName = optarg;
             break;
 
-        case 'x':
-            experimental = 1;
-            break;
-
         case 'h':
             PrintHelp(argv[0], stdout);
             exit(EXIT_SUCCESS);
@@ -3022,7 +3467,7 @@ int main(int argc, char *argv[])
     }
 
     if(!ProcessDefinition(inName, outRate, fftSize, equalize, surface, limit,
-                          truncSize, model, radius, experimental, outName))
+                          truncSize, model, radius, outName))
         return -1;
     fprintf(stdout, "Operation completed.\n");
author	Chris Robinson <[email protected]>	2017-10-22 15:36:42 -0700
committer	Chris Robinson <[email protected]>	2017-10-22 15:36:42 -0700
commit	0349bcc500fdb9b1245a5ddce01b2896bcf9bbb9 (patch)
tree	c86b3bf998d3450ec41899ea5bddee7c00b55029
parent	2f5b86dd381ac36d09951e05777ccb97237fa06e (diff)