/usr/share/ambdec/presets/stereo.ambdec is in ambdec 0.5.1-4build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | # AmbDec configuration
# Written by MakeDec-0.7.0 at Wed Jul 29 19:34:51 2009
/description Stereo output from any order
/version 2
/dec/hor_order 1
/dec/ver_order 0
/dec/freq_bands 1
/dec/speakers 6
/dec/coeff_scale fuma
/opt/input_scale fuma
/opt/nfeff_comp input
/opt/delay_comp off
/opt/level_comp off
/opt/xover_freq 300
/opt/xover_ratio 0.0
/speakers/{
# id dist azim elev conn
#-----------------------------------------------------------------------
# Blumlein outputs
add_spkr L-1 1.500 45.000 0.000 system:playback_1
add_spkr R-1 1.500 -45.000 0.000 system:playback_2
# Cardioid +/- 60 degrees
add_spkr L-2 1.500 55.000 0.000 system:playback_3
add_spkr R-2 1.500 -55.000 0.000 system:playback_4
# Hypercardioid +/- 60 degrees
add_spkr L-3 1.500 55.000 0.000 system:playback_5
add_spkr R-3 1.500 -55.000 0.000 system:playback_6
/}
/matrix/{
order_gain 1.00000 3.00000
# W X Y
#-----------------------------------
add_row 0.00000 0.23474 0.23474
add_row 0.00000 0.23474 -0.23474
add_row 0.56569 0.07856 0.12451
add_row 0.56569 0.07856 -0.12451
add_row 0.29227 0.13864 0.21973
add_row 0.29227 0.13864 -0.21973
/}
/end
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