Usage: speaker-test [OPTION]...
-h,--help
[tab]help
-D,--device
[tab]playback device
-r,--rate
[tab]stream rate in Hz
-c,--channels
[tab]count of channels in stream
-f,--frequency
[tab]sine wave frequency in Hz
-F,--format
[tab]sample format
-b,--buffer
[tab]ring buffer size in us
-p,--period
[tab]period size in us
-P,--nperiods
[tab]number of periods
-t,--test
[tab]pink=use pink noise, sine=use sine wave, wav=WAV file
-l,--nloops
[tab]specify number of loops to test, 0 = infinite
-s,--speaker
[tab]single speaker test. Values 1=Left, 2=right, etc
-w,--wavfile
[tab]Use the given WAV file as a test sound
-W,--wavdir
[tab]Specify the directory containing WAV files
-m,--chmap
[tab]Specify the channel map to override
-X,--force-frequency
[tab]force frequencies outside the 30-8000hz range
-S,--scale
[tab]Scale of generated test tones in percent (default=80)
