command-line sound recorder and player for ALSA soundcard driver
Show PCM structure and setup. This option is accumulative. The VU meter is displayed when this
is given twice or three times.
will play the raw file "foobar" as a 22050-Hz, mono, 8-bit, Mu-Law .au file.
will record foobar.wav as a 10-second, CD-quality wave file, using the PCM "copy" (which might be
defined in the user's .asoundrc file as:
Record from the default audio source in monaural, 8,000 samples per second, 8 bits per sample.
Start a new file every 30 seconds. File names are mon-nn.wav, where nn increases from 01. The
file after mon-99.wav is mon-100.wav.
Record in stereo from the default audio source. Create a new file every hour. The files are
placed in directories based on their start dates and have names which include their start times
and file numbers.