speaker-test 1.2.16

Usage: speaker-test [OPTION]...
-h,--help	help
-D,--device	playback device
-r,--rate	stream rate in Hz
-c,--channels	count of channels in stream
-f,--frequency	sine wave frequency in Hz
-F,--format	sample format
-b,--buffer	ring buffer size in us
-p,--period	period size in us
-P,--nperiods	number of periods
-t,--test	pink=use pink noise, sine=use sine wave, st2095=use SMPTE ST-2095 noise, wav=WAV file
-l,--nloops	specify number of loops to test, 0 = infinite
-s,--speaker	single speaker test. Values 1=Left, 2=right, etc
-w,--wavfile	Use the given WAV file as a test sound
-W,--wavdir	Specify the directory containing WAV files
-m,--chmap	Specify the channel map to override
-X,--force-frequency	force frequencies outside the 30-8000hz range
-S,--scale	Scale of generated test tones in percent (default=80)

Recognized sample formats are: S8 S16_LE S16_BE FLOAT_LE S24_3LE S24_3BE S24_LE S24_BE S32_LE S32_BE