diff options
| -rw-r--r-- | hrtf.txt | 11 |
1 files changed, 6 insertions, 5 deletions
@@ -32,11 +32,12 @@ The file format is specified below. It uses little-endian byte order. ALchar magic[8] = "MinPHR01"; ALuint sampleRate; -ALushort hrirSize; /* Can be 8 to 128. */ -ALubyte evCount; /* Can be 5 to 128. */ +ALubyte hrirSize; /* Can be 8 to 128 in steps of 8. */ +ALubyte evCount; /* Can be 5 to 128. */ -ALushort azCount[evCount]; /* Each can be 1 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. */ == @@ -48,12 +49,12 @@ 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). -Afterward, an unsigned 16-bit integer specifies how many sample points (or +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 16-bit integers, one +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 |