init
This commit is contained in:
43
squashfs-root/usr/share/openal/presets/3D7.1.ambdec
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43
squashfs-root/usr/share/openal/presets/3D7.1.ambdec
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# AmbDec configuration
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# Written by Ambisonic Decoder Toolbox, version 8.0
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/description 3D7_2h1v_allrad_5200_rE_max_1_band
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/version 3
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/dec/chan_mask 1bf
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/dec/freq_bands 1
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/dec/speakers 7
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/dec/coeff_scale fuma
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/opt/input_scale fuma
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/opt/nfeff_comp output
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/opt/delay_comp on
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/opt/level_comp on
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/opt/xover_freq 400.000000
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/opt/xover_ratio 0.000000
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/speakers/{
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# id dist azim elev conn
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#-----------------------------------------------------------------------
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add_spkr LF 1.500000 51.000000 24.000000
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add_spkr RF 1.500000 -51.000000 24.000000
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add_spkr CE 1.500000 0.000000 0.000000
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add_spkr LB 1.500000 180.000000 55.000000
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add_spkr RB 1.500000 0.000000 -55.000000
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add_spkr LS 1.500000 129.000000 -24.000000
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add_spkr RS 1.500000 -129.000000 -24.000000
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/}
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/matrix/{
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order_gain 1.000000 0.774597 0.400000 0.000000
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add_row 0.325031 0.357638 0.206500 0.234037 0.202440 0.135692 0.116927 -0.098768
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add_row 0.325036 -0.357619 0.206537 0.234033 -0.202427 -0.135680 0.116934 -0.098768
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add_row 0.080073 -0.000010 -0.000296 0.155843 -0.000016 -0.000011 -0.000623 0.163306
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add_row 0.353556 0.000002 0.408453 -0.288377 -0.000004 -0.000003 -0.221039 0.077297
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add_row 0.325297 0.000008 -0.414018 0.232789 0.000004 0.000003 -0.232940 0.018311
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add_row 0.353558 0.352704 -0.203542 -0.290124 -0.191868 -0.134582 0.110616 -0.038294
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add_row 0.353556 -0.352691 -0.203576 -0.290115 0.191871 0.134585 0.110612 -0.038293
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/}
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/end
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51
squashfs-root/usr/share/openal/presets/hexagon.ambdec
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51
squashfs-root/usr/share/openal/presets/hexagon.ambdec
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# AmbDec configuration
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# Written by Ambisonic Decoder Toolbox, version 8.0
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/description Hexagon_2h0p_pinv_match_rV_max_rE_2_band
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/version 3
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/dec/chan_mask 11b
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/dec/freq_bands 2
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/dec/speakers 6
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/dec/coeff_scale fuma
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/opt/input_scale fuma
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/opt/nfeff_comp input
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/opt/delay_comp on
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/opt/level_comp on
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/opt/xover_freq 400.000000
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/opt/xover_ratio 0.000000
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/speakers/{
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# id dist azim elev conn
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#-----------------------------------------------------------------------
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add_spkr LF 1.000000 30.000000 0.000000
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add_spkr RF 1.000000 -30.000000 0.000000
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add_spkr RS 1.000000 -90.000000 0.000000
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add_spkr RB 1.000000 -150.000000 0.000000
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add_spkr LB 1.000000 150.000000 0.000000
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add_spkr LS 1.000000 90.000000 0.000000
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/}
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/lfmatrix/{
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order_gain 1.000000 1.000000 1.000000 0.000000
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add_row 0.235702 0.166667 0.288675 0.288675 0.166667
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add_row 0.235702 -0.166667 0.288675 -0.288675 0.166667
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add_row 0.235702 -0.333333 0.000000 -0.000000 -0.333333
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add_row 0.235702 -0.166667 -0.288675 0.288675 0.166667
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add_row 0.235702 0.166667 -0.288675 -0.288675 0.166667
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add_row 0.235702 0.333333 0.000000 -0.000000 -0.333333
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/}
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/hfmatrix/{
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order_gain 1.414214 1.224745 0.707107 0.000000
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add_row 0.235702 0.166667 0.288675 0.288675 0.166667
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add_row 0.235702 -0.166667 0.288675 -0.288675 0.166667
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add_row 0.235702 -0.333333 0.000000 -0.000000 -0.333333
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add_row 0.235702 -0.166667 -0.288675 0.288675 0.166667
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add_row 0.235702 0.166667 -0.288675 -0.288675 0.166667
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add_row 0.235702 0.333333 0.000000 -0.000000 -0.333333
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/}
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/end
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48
squashfs-root/usr/share/openal/presets/itu5.1.ambdec
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48
squashfs-root/usr/share/openal/presets/itu5.1.ambdec
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# AmbDec configuration
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# Written by Ambisonic Decoder Toolbox, version 8.0
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/description itu50_2h0p_allrad_5200_rE_max_1_band
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/version 3
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/dec/chan_mask 11b
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/dec/freq_bands 2
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/dec/speakers 5
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/dec/coeff_scale fuma
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/opt/input_scale fuma
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/opt/nfeff_comp output
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/opt/delay_comp on
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/opt/level_comp on
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/opt/xover_freq 400.000000
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/opt/xover_ratio 3.000000
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/speakers/{
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# id dist azim elev conn
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#-----------------------------------------------------------------------
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add_spkr LS 1.000000 110.000000 0.000000
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add_spkr LF 1.000000 30.000000 0.000000
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add_spkr CE 1.000000 0.000000 0.000000
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add_spkr RF 1.000000 -30.000000 0.000000
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add_spkr RS 1.000000 -110.000000 0.000000
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/}
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/lfmatrix/{
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order_gain 1.000000 1.000000 1.000000 0.000000
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add_row 0.420330 0.330200 -0.312250 0.019350 -0.027010
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add_row 0.197700 0.288820 0.287820 0.049110 0.007420
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add_row 0.058030 0.000000 0.205970 0.000000 0.050790
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add_row 0.197700 -0.288820 0.287820 -0.049110 0.007420
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add_row 0.420330 -0.330200 -0.312250 -0.019350 -0.027010
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/}
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/hfmatrix/{
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order_gain 1.000000 0.866025 0.500000 0.000000
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add_row 0.470934 0.378170 -0.400085 -0.082226 -0.044377
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add_row 0.208954 0.257988 0.230383 0.288520 -0.025085
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add_row 0.109403 -0.000002 0.194278 -0.000003 0.200863
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add_row 0.208950 -0.257989 0.230379 -0.288516 -0.025088
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add_row 0.470936 -0.378173 -0.400081 0.082228 -0.044372
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/}
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/end
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42
squashfs-root/usr/share/openal/presets/presets.txt
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42
squashfs-root/usr/share/openal/presets/presets.txt
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Ambisonic decoder configuration presets are provided here for common surround
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sound speaker layouts. The presets are prepared to work with OpenAL Soft's high
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quality decoder. By default all of the speaker distances within a preset are
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set to the same value, which results in no effect from distance compensation.
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If this doesn't match your physical speaker setup, it may be worth copying the
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preset and modifying the distance values to match (note that modifying the
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azimuth and elevation values in the presets will not have any effect; the
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specified angles do not change the decoder behavior).
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Details of the individual presets are as follows.
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square.ambdec
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Specifies a basic square speaker setup for Quadrophonic output, with identical
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width and depth. Front speakers are placed at +45 and -45 degrees, and back
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speakers are placed at +135 and -135 degrees.
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rectangle.ambdec
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Specifies a narrower speaker setup for Quadrophonic output, with a little less
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width but a little more depth over a basic square setup. Front speakers are
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placed at +30 and -30 degrees, providing a bit more compatibility for existing
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stereo content, with back speakers at +150 and -150 degrees.
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itu5.1.ambdec
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Specifies a standard ITU 5.0/5.1 setup for 5.1 Surround output. The front-
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center speaker is placed directly in front at 0 degrees, with the front-left
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and front-right at +30 and -30 degrees, and the surround speakers (side or
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back) at +110 and -110 degrees.
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hexagon.ambdec
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Specifies a flat-front hexagonal speaker setup for 7.1 Surround output. The
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front left and right speakers are placed at +30 and -30 degrees, the side
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speakers are placed at +90 and -90 degrees, and the back speakers are placed at
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+150 and -150 degrees. Although this is for 7.1 output, no front-center speaker
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is defined for the decoder, meaning that speaker will be silent for 3D sound
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(however it may still be used with AL_SOFT_direct_channels or ALC_EXT_DEDICATED
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output). A "proper" 7.1 decoder may be provided in the future, but due to the
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nature of the speaker configuration will have trade-offs.
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3D7.1.ambdec
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Specifies a 3D7.1 speaker setup for 7.1 Surround output. Although it's for 7.1
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output, the speakers for such a configuration need to be placed in different
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positions for proper results. Please see docs/3D7.1.txt for more information.
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45
squashfs-root/usr/share/openal/presets/rectangle.ambdec
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45
squashfs-root/usr/share/openal/presets/rectangle.ambdec
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@@ -0,0 +1,45 @@
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# AmbDec configuration
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# Written by Ambisonic Decoder Toolbox, version 8.0
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/description Rectangle_1h0p_pinv_match_rV_max_rE_2_band
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/version 3
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/dec/chan_mask b
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/dec/freq_bands 2
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/dec/speakers 4
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/dec/coeff_scale fuma
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/opt/input_scale fuma
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/opt/nfeff_comp input
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/opt/delay_comp on
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/opt/level_comp on
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/opt/xover_freq 400.000000
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/opt/xover_ratio 0.000000
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/speakers/{
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# id dist azim elev conn
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#-----------------------------------------------------------------------
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add_spkr LF 1.000000 30.000000 0.000000
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add_spkr RF 1.000000 -30.000000 0.000000
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add_spkr RB 1.000000 -150.000000 0.000000
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add_spkr LB 1.000000 150.000000 0.000000
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/}
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/lfmatrix/{
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order_gain 1.000000 1.000000 0.000000 0.000000
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add_row 0.353553 0.500000 0.288675
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add_row 0.353553 -0.500000 0.288675
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add_row 0.353553 -0.500000 -0.288675
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add_row 0.353553 0.500000 -0.288675
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/}
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/hfmatrix/{
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order_gain 1.414214 1.000000 0.000000 0.000000
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add_row 0.353553 0.500000 0.288675
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add_row 0.353553 -0.500000 0.288675
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add_row 0.353553 -0.500000 -0.288675
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add_row 0.353553 0.500000 -0.288675
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/}
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/end
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45
squashfs-root/usr/share/openal/presets/square.ambdec
Normal file
45
squashfs-root/usr/share/openal/presets/square.ambdec
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@@ -0,0 +1,45 @@
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# AmbDec configuration
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# Written by Ambisonic Decoder Toolbox, version 8.0
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/description Square_1h0p_pinv_match_rV_max_rE_2_band
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/version 3
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/dec/chan_mask b
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/dec/freq_bands 2
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/dec/speakers 4
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/dec/coeff_scale fuma
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/opt/input_scale fuma
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/opt/nfeff_comp input
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/opt/delay_comp on
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/opt/level_comp on
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/opt/xover_freq 400.000000
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/opt/xover_ratio 0.000000
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/speakers/{
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# id dist azim elev conn
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#-----------------------------------------------------------------------
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add_spkr LF 1.000000 45.000000 0.000000
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add_spkr RF 1.000000 -45.000000 0.000000
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add_spkr RB 1.000000 -135.000000 0.000000
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add_spkr LB 1.000000 135.000000 0.000000
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/}
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/lfmatrix/{
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order_gain 1.000000 1.000000 0.000000 0.000000
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add_row 0.353553 0.353553 0.353553
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add_row 0.353553 -0.353553 0.353553
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add_row 0.353553 -0.353553 -0.353553
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add_row 0.353553 0.353553 -0.353553
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/}
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/hfmatrix/{
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order_gain 1.414214 1.000000 0.000000 0.000000
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add_row 0.353553 0.353553 0.353553
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add_row 0.353553 -0.353553 0.353553
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add_row 0.353553 -0.353553 -0.353553
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add_row 0.353553 0.353553 -0.353553
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/}
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/end
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