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Synopsis

mixdown [OPTION...] [[input=FILE] output=FILE]

Description

mixdown – a sound generator for the command line

Options

-a, --a4=NUM
A4 pitch in Hz [default=440.0]

-b, --bps=NUM
Bit per sample (8, 16, 24, 32) [default=16]

-c, --channels=NUM
Channels [default=2]

-f, --format=FMT
File format (AIFF, WAVE) [default=WAVE]

-l, --length=NUM
Length in seconds [default=1.0]

-r, --reverse
Reverse samples

-s, --samplerate=NUM
Sample rate in Hz [default=44100]

-v, --verbose
Produce verbose output

-w, --nowarn
Suppress some warnings

-?, --help
Give this help list

--usage
Give a short usage message

-V, --version
Print program version

Example

echo 'sin(A4*t*tau)*fade(t,0,1,l,0);' | mixdown | aplay -q