From 5f7268c0cc356b08db0d25ca3e665078180d0aec Mon Sep 17 00:00:00 2001 From: Chris Robinson Date: Tue, 18 Jul 2017 20:30:45 -0700 Subject: [PATCH] Add a 5.1 preset that excludes the front-center speaker On some speaker setups, the front-center speaker is not designed for full-range content and should be used exclusively for dialog. Consequently it should not be used for positional sounds, only the dedicated dialog effect. --- presets/itu5.1-nocenter.ambdec | 46 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 presets/itu5.1-nocenter.ambdec 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 -- 2.11.4.GIT