FFmpeg4/tests/filtergraphs/firequalizer

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firequalizer =
fft2 = on:
gain = 'sin(0.001*f) - 1':
delay = 0.05,
firequalizer =
gain = 'if (ch, -0.7 * sin(0.001*f), -0.2 * sin(0.001*f)) - 1':
delay = 0.1:
fixed = on:
multi = on:
zero_phase = on:
wfunc = nuttall,
firequalizer =
fft2 = on:
gain_entry = 'entry(1000, 0); entry(5000, 0.1); entry(10000, 0.2)',
firequalizer =
gain = 'if (ch, -0.3 * sin(0.001*f), -0.8 * sin(0.001*f)) - 1':
delay = 0.05:
multi = on,
firequalizer =
gain_entry = 'entry(1000, 0.2); entry(5000, 0.1); entry(10000, 0)',
volume = 2.8dB,
atrim =
start = 0.12