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-rw-r--r--presets/3D7.1.ambdec43
-rw-r--r--presets/hexagon.ambdec51
-rw-r--r--presets/itu5.1-nocenter.ambdec46
-rw-r--r--presets/itu5.1.ambdec48
-rw-r--r--presets/presets.txt42
-rw-r--r--presets/rectangle.ambdec45
-rw-r--r--presets/square.ambdec45
7 files changed, 320 insertions, 0 deletions
diff --git a/presets/3D7.1.ambdec b/presets/3D7.1.ambdec
new file mode 100644
index 00000000..42b6a0bb
--- /dev/null
+++ b/presets/3D7.1.ambdec
@@ -0,0 +1,43 @@
+# AmbDec configuration
+# Written by Ambisonic Decoder Toolbox, version 8.0
+
+/description 3D7_2h1v_allrad_5200_rE_max_1_band
+
+/version 3
+
+/dec/chan_mask 1bf
+/dec/freq_bands 1
+/dec/speakers 7
+/dec/coeff_scale fuma
+
+/opt/input_scale fuma
+/opt/nfeff_comp output
+/opt/delay_comp on
+/opt/level_comp on
+/opt/xover_freq 400.000000
+/opt/xover_ratio 0.000000
+
+/speakers/{
+# id dist azim elev conn
+#-----------------------------------------------------------------------
+add_spkr LF 1.500000 51.000000 24.000000
+add_spkr RF 1.500000 -51.000000 24.000000
+add_spkr CE 1.500000 0.000000 0.000000
+add_spkr LB 1.500000 180.000000 55.000000
+add_spkr RB 1.500000 0.000000 -55.000000
+add_spkr LS 1.500000 129.000000 -24.000000
+add_spkr RS 1.500000 -129.000000 -24.000000
+/}
+
+/matrix/{
+order_gain 1.000000 0.774597 0.400000 0.000000
+add_row 0.325031 0.357638 0.206500 0.234037 0.202440 0.135692 0.116927 -0.098768
+add_row 0.325036 -0.357619 0.206537 0.234033 -0.202427 -0.135680 0.116934 -0.098768
+add_row 0.080073 -0.000010 -0.000296 0.155843 -0.000016 -0.000011 -0.000623 0.163306
+add_row 0.353556 0.000002 0.408453 -0.288377 -0.000004 -0.000003 -0.221039 0.077297
+add_row 0.325297 0.000008 -0.414018 0.232789 0.000004 0.000003 -0.232940 0.018311
+add_row 0.353558 0.352704 -0.203542 -0.290124 -0.191868 -0.134582 0.110616 -0.038294
+add_row 0.353556 -0.352691 -0.203576 -0.290115 0.191871 0.134585 0.110612 -0.038293
+/}
+
+/end
diff --git a/presets/hexagon.ambdec b/presets/hexagon.ambdec
new file mode 100644
index 00000000..d45f2732
--- /dev/null
+++ b/presets/hexagon.ambdec
@@ -0,0 +1,51 @@
+# AmbDec configuration
+# Written by Ambisonic Decoder Toolbox, version 8.0
+
+/description Hexagon_2h0p_pinv_match_rV_max_rE_2_band
+
+/version 3
+
+/dec/chan_mask 11b
+/dec/freq_bands 2
+/dec/speakers 6
+/dec/coeff_scale fuma
+
+/opt/input_scale fuma
+/opt/nfeff_comp input
+/opt/delay_comp on
+/opt/level_comp on
+/opt/xover_freq 400.000000
+/opt/xover_ratio 0.000000
+
+/speakers/{
+# id dist azim elev conn
+#-----------------------------------------------------------------------
+add_spkr LF 1.000000 30.000000 0.000000
+add_spkr RF 1.000000 -30.000000 0.000000
+add_spkr RS 1.000000 -90.000000 0.000000
+add_spkr RB 1.000000 -150.000000 0.000000
+add_spkr LB 1.000000 150.000000 0.000000
+add_spkr LS 1.000000 90.000000 0.000000
+/}
+
+/lfmatrix/{
+order_gain 1.000000 1.000000 1.000000 0.000000
+add_row 0.235702 0.166667 0.288675 0.288675 0.166667
+add_row 0.235702 -0.166667 0.288675 -0.288675 0.166667
+add_row 0.235702 -0.333333 0.000000 -0.000000 -0.333333
+add_row 0.235702 -0.166667 -0.288675 0.288675 0.166667
+add_row 0.235702 0.166667 -0.288675 -0.288675 0.166667
+add_row 0.235702 0.333333 0.000000 -0.000000 -0.333333
+/}
+
+/hfmatrix/{
+order_gain 1.414214 1.224745 0.707107 0.000000
+add_row 0.235702 0.166667 0.288675 0.288675 0.166667
+add_row 0.235702 -0.166667 0.288675 -0.288675 0.166667
+add_row 0.235702 -0.333333 0.000000 -0.000000 -0.333333
+add_row 0.235702 -0.166667 -0.288675 0.288675 0.166667
+add_row 0.235702 0.166667 -0.288675 -0.288675 0.166667
+add_row 0.235702 0.333333 0.000000 -0.000000 -0.333333
+/}
+
+/end
diff --git a/presets/itu5.1-nocenter.ambdec b/presets/itu5.1-nocenter.ambdec
new file mode 100644
index 00000000..23839d0e
--- /dev/null
+++ b/presets/itu5.1-nocenter.ambdec
@@ -0,0 +1,46 @@
+# AmbDec configuration
+# Written by Ambisonic Decoder Toolbox, version 8.0
+
+# input channel order: WYXVU
+
+/description itu50-noCenter_2h0p_allrad_5200_rE_max_1_band
+
+# Although unused in this configuration, the front-center is declared here so
+# that an appropriate distance may be set (for proper delaying or attenuating
+# of dialog and such which feed it directly). It otherwise does not contribute
+# to positional sound output.
+
+/version 3
+
+/dec/chan_mask 11b
+/dec/freq_bands 1
+/dec/speakers 5
+/dec/coeff_scale fuma
+
+/opt/input_scale fuma
+/opt/nfeff_comp input
+/opt/delay_comp on
+/opt/level_comp on
+/opt/xover_freq 400.000000
+/opt/xover_ratio 0.000000
+
+/speakers/{
+# id dist azim elev conn
+#-----------------------------------------------------------------------
+add_spkr LS 1.000000 110.000000 0.000000 system:playback_3
+add_spkr LF 1.000000 30.000000 0.000000 system:playback_1
+add_spkr CE 1.000000 0.000000 0.000000 system:playback_5
+add_spkr RF 1.000000 -30.000000 0.000000 system:playback_2
+add_spkr RS 1.000000 -110.000000 0.000000 system:playback_4
+/}
+
+/matrix/{
+order_gain 1.00000000e+00 8.66025404e-01 5.00000000e-01 0.000000
+add_row 4.70934222e-01 3.78169605e-01 -4.00084750e-01 -8.22264454e-02 -4.43765986e-02
+add_row 2.66639870e-01 2.55418584e-01 3.32591390e-01 2.82949132e-01 8.16816772e-02
+add_row 0.00000000e+00 0.00000000e+00 0.00000000e+00 0.00000000e+00 0.00000000e+00
+add_row 2.66634915e-01 -2.55421639e-01 3.32586482e-01 -2.82947688e-01 8.16782588e-02
+add_row 4.70935891e-01 -3.78173080e-01 -4.00080588e-01 8.22279700e-02 -4.43716394e-02
+/}
+
+/end
diff --git a/presets/itu5.1.ambdec b/presets/itu5.1.ambdec
new file mode 100644
index 00000000..74386034
--- /dev/null
+++ b/presets/itu5.1.ambdec
@@ -0,0 +1,48 @@
+# AmbDec configuration
+# Written by Ambisonic Decoder Toolbox, version 8.0
+
+/description itu50_2h0p_allrad_5200_rE_max_1_band
+
+/version 3
+
+/dec/chan_mask 11b
+/dec/freq_bands 2
+/dec/speakers 5
+/dec/coeff_scale fuma
+
+/opt/input_scale fuma
+/opt/nfeff_comp output
+/opt/delay_comp on
+/opt/level_comp on
+/opt/xover_freq 400.000000
+/opt/xover_ratio 3.000000
+
+/speakers/{
+# id dist azim elev conn
+#-----------------------------------------------------------------------
+add_spkr LS 1.000000 110.000000 0.000000
+add_spkr LF 1.000000 30.000000 0.000000
+add_spkr CE 1.000000 0.000000 0.000000
+add_spkr RF 1.000000 -30.000000 0.000000
+add_spkr RS 1.000000 -110.000000 0.000000
+/}
+
+/lfmatrix/{
+order_gain 1.000000 1.000000 1.000000 0.000000
+add_row 0.420330 0.330200 -0.312250 0.019350 -0.027010
+add_row 0.197700 0.288820 0.287820 0.049110 0.007420
+add_row 0.058030 0.000000 0.205970 0.000000 0.050790
+add_row 0.197700 -0.288820 0.287820 -0.049110 0.007420
+add_row 0.420330 -0.330200 -0.312250 -0.019350 -0.027010
+/}
+
+/hfmatrix/{
+order_gain 1.000000 0.866025 0.500000 0.000000
+add_row 0.470934 0.378170 -0.400085 -0.082226 -0.044377
+add_row 0.208954 0.257988 0.230383 0.288520 -0.025085
+add_row 0.109403 -0.000002 0.194278 -0.000003 0.200863
+add_row 0.208950 -0.257989 0.230379 -0.288516 -0.025088
+add_row 0.470936 -0.378173 -0.400081 0.082228 -0.044372
+/}
+
+/end
diff --git a/presets/presets.txt b/presets/presets.txt
new file mode 100644
index 00000000..541416e2
--- /dev/null
+++ b/presets/presets.txt
@@ -0,0 +1,42 @@
+Ambisonic decoder configuration presets are provided here for common surround
+sound speaker layouts. The presets are prepared to work with OpenAL Soft's high
+quality decoder. By default all of the speaker distances within a preset are
+set to the same value, which results in no effect from distance compensation.
+If this doesn't match your physical speaker setup, it may be worth copying the
+preset and modifying the distance values to match (note that modifying the
+azimuth and elevation values in the presets will not have any effect; the
+specified angles do not change the decoder behavior).
+
+Details of the individual presets are as follows.
+
+square.ambdec
+Specifies a basic square speaker setup for Quadraphonic output, with identical
+width and depth. Front speakers are placed at +45 and -45 degrees, and back
+speakers are placed at +135 and -135 degrees.
+
+rectangle.ambdec
+Specifies a narrower speaker setup for Quadraphonic output, with a little less
+width but a little more depth over a basic square setup. Front speakers are
+placed at +30 and -30 degrees, providing a bit more compatibility for existing
+stereo content, with back speakers at +150 and -150 degrees.
+
+itu5.1.ambdec
+Specifies a standard ITU 5.0/5.1 setup for 5.1 Surround output. The front-
+center speaker is placed directly in front at 0 degrees, with the front-left
+and front-right at +30 and -30 degrees, and the surround speakers (side or
+back) at +110 and -110 degrees.
+
+hexagon.ambdec
+Specifies a flat-front hexagonal speaker setup for 7.1 Surround output. The
+front left and right speakers are placed at +30 and -30 degrees, the side
+speakers are placed at +90 and -90 degrees, and the back speakers are placed at
++150 and -150 degrees. Although this is for 7.1 output, no front-center speaker
+is defined for the decoder, meaning that speaker will be silent for 3D sound
+(however it may still be used with AL_SOFT_direct_channels or ALC_EXT_DEDICATED
+output). A "proper" 7.1 decoder may be provided in the future, but due to the
+nature of the speaker configuration will have trade-offs.
+
+3D7.1.ambdec
+Specifies a 3D7.1 speaker setup for 7.1 Surround output. Although it's for 7.1
+output, the speakers for such a configuration need to be placed in different
+positions for proper results. Please see docs/3D7.1.txt for more information.
diff --git a/presets/rectangle.ambdec b/presets/rectangle.ambdec
new file mode 100644
index 00000000..caf72318
--- /dev/null
+++ b/presets/rectangle.ambdec
@@ -0,0 +1,45 @@
+# AmbDec configuration
+# Written by Ambisonic Decoder Toolbox, version 8.0
+
+/description Rectangle_1h0p_pinv_match_rV_max_rE_2_band
+
+/version 3
+
+/dec/chan_mask b
+/dec/freq_bands 2
+/dec/speakers 4
+/dec/coeff_scale fuma
+
+/opt/input_scale fuma
+/opt/nfeff_comp input
+/opt/delay_comp on
+/opt/level_comp on
+/opt/xover_freq 400.000000
+/opt/xover_ratio 0.000000
+
+/speakers/{
+# id dist azim elev conn
+#-----------------------------------------------------------------------
+add_spkr LF 1.000000 30.000000 0.000000
+add_spkr RF 1.000000 -30.000000 0.000000
+add_spkr RB 1.000000 -150.000000 0.000000
+add_spkr LB 1.000000 150.000000 0.000000
+/}
+
+/lfmatrix/{
+order_gain 1.000000 1.000000 0.000000 0.000000
+add_row 0.353553 0.500000 0.288675
+add_row 0.353553 -0.500000 0.288675
+add_row 0.353553 -0.500000 -0.288675
+add_row 0.353553 0.500000 -0.288675
+/}
+
+/hfmatrix/{
+order_gain 1.414214 1.000000 0.000000 0.000000
+add_row 0.353553 0.500000 0.288675
+add_row 0.353553 -0.500000 0.288675
+add_row 0.353553 -0.500000 -0.288675
+add_row 0.353553 0.500000 -0.288675
+/}
+
+/end
diff --git a/presets/square.ambdec b/presets/square.ambdec
new file mode 100644
index 00000000..547ed367
--- /dev/null
+++ b/presets/square.ambdec
@@ -0,0 +1,45 @@
+# AmbDec configuration
+# Written by Ambisonic Decoder Toolbox, version 8.0
+
+/description Square_1h0p_pinv_match_rV_max_rE_2_band
+
+/version 3
+
+/dec/chan_mask b
+/dec/freq_bands 2
+/dec/speakers 4
+/dec/coeff_scale fuma
+
+/opt/input_scale fuma
+/opt/nfeff_comp input
+/opt/delay_comp on
+/opt/level_comp on
+/opt/xover_freq 400.000000
+/opt/xover_ratio 0.000000
+
+/speakers/{
+# id dist azim elev conn
+#-----------------------------------------------------------------------
+add_spkr LF 1.000000 45.000000 0.000000
+add_spkr RF 1.000000 -45.000000 0.000000
+add_spkr RB 1.000000 -135.000000 0.000000
+add_spkr LB 1.000000 135.000000 0.000000
+/}
+
+/lfmatrix/{
+order_gain 1.000000 1.000000 0.000000 0.000000
+add_row 0.353553 0.353553 0.353553
+add_row 0.353553 -0.353553 0.353553
+add_row 0.353553 -0.353553 -0.353553
+add_row 0.353553 0.353553 -0.353553
+/}
+
+/hfmatrix/{
+order_gain 1.414214 1.000000 0.000000 0.000000
+add_row 0.353553 0.353553 0.353553
+add_row 0.353553 -0.353553 0.353553
+add_row 0.353553 -0.353553 -0.353553
+add_row 0.353553 0.353553 -0.353553
+/}
+
+/end
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 10:25:01 +0000