Now in the Convert window you should see the source file and destination path fields filled in.
Now choose the Edit Selected Profile button.
Under the Encapsulation tab select WAV.
punch Start to begin the encoding process.
You will see a countdown timer on the main interface while the conversion is taking place.
We successfully converted MOV, MPEG, and AVI video files to mp3.
FLV files would convert but unfortunately had horrible sound quality.