pwcat is analogous to pacat of PulseAudio which implements
both playback and recording capability.
Only wav files are supported for now, and you can use the
handy pwplay and pwrecord aliases for easy use.
Playback a wav file
$ pwplay foo.wav
Record a wav file
$ pwrecord -r 44100 -c 1 -f s16 foo.wav
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>