We have 2 audio converters now: Mac DVD to Audio Converter, Mac Video to Audio Converter
Here are the guides:
How to rip DVD to mp3
How to convert avi to mp3
How to convert avi to aac
How to convert mp4 to mp3
How to convert mp4 to m4v
How to convert avi to wav
more guides here: http://www.macdvdrippercopy.com/support.html#audioconverter
