You can try Eztoo Video To Audio Converter for mac is an easy-to-use tool for mac Converter. It can extract audio from AVI, WMV, ASF, MP4, MOV, 3GP files to MP3, WAV, AAC format. Extract audio from video files or convert between audio.
The product may be downloaded from:
http://www.eztoosoft.com/mac-eztoo-video-converter.html
Here is the specific guide for you to follow:
http://www.eztoosoft.com/mac-video-to-audio-converter.html
Hope can help you
