/usr/share/ambdec/presets/rectangle.ambdec is in ambdec 0.5.1-5.
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 | # AmbDec configuration
# Written by Makedec-0.8.0 at Sun Sep 4 22:38:52 2011
/description 1/sqrt(3) rectangle -- max rV at LF, max rE at HF
/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 off
/opt/level_comp off
/opt/xover_freq 300
/opt/xover_ratio 0.0
/speakers/{
add_spkr LF 2.000 30.0 0.0 system:playback_1
add_spkr RF 2.000 -30.0 0.0 system:playback_2
add_spkr RB 2.000 -150.0 0.0 system:playback_3
add_spkr LB 2.000 150.0 0.0 system:playback_4
/}
/lfmatrix/{
order_gain 1.00000 1.00000 0.00000 0.00000
add_row 0.353554 0.500000 0.288675
add_row 0.353554 -0.500000 0.288675
add_row 0.353554 -0.500000 -0.288675
add_row 0.353554 0.500000 -0.288675
/}
/hfmatrix/{
order_gain 1.41421 0.99985 0.00000 0.00000
add_row 0.353554 0.500000 0.288675
add_row 0.353554 -0.500000 0.288675
add_row 0.353554 -0.500000 -0.288675
add_row 0.353554 0.500000 -0.288675
/}
/end
|