speaker-test 1.1.0 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, 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 S32_LE S32_BE