Edit: Oops, I forgot about the built-in afplay(1). The man page tells you less than the usage statement, though.
$ afplay -h
Usage:
afplay [option...] audio_file
Options: (may appear before or after arguments)
{-v | --volume} VOLUME
set the volume for playback of the file
{-h | --help}
print help
{ --leaks}
run leaks analysis {-t | --time} TIME
play for TIME seconds
{-r | --rate} RATE
play at playback rate
{-q | --rQuality} QUALITY
set the quality used for rate-scaled playback (default is 0 - low quality, 1 - high quality)
{-d | --debug}
debug print output
Check out qtplay.
Edit: Oops, I forgot about the built-in afplay(1). The man page tells you less than the usage statement, though.
$ afplay -h