AuroraMiddleware/AuroraOpenALSoft
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Provide a decoder preset for 5.1 Surround output

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This commit is contained in:
Chris Robinson 2016-04-24 21:08:59 -07:00
parent c796f99d36
commit fdee577940
3 changed files with 55 additions and 0 deletions
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1
CMakeLists.txt
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@ -1232,6 +1232,7 @@ ENDIF()
IF(ALSOFT_AMBDEC_PRESETS)
INSTALL(FILES presets/3D7.1.ambdec
presets/hexagon.ambdec
presets/itu5.1.ambdec
presets/rectangle.ambdec
presets/square.ambdec
presets/presets.txt

48
presets/itu5.1.ambdec Normal file
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@ -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

6
presets/presets.txt
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@ -20,6 +20,12 @@ 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