Extract Audio from MP4 Video to AU Downloads
MP4 is a multimedia container that stores video, audio, image and text data.
AU is an audio file format that was designed by Sun Microsystems for NeXT systems and old websites.
The following set contains multiple applications that give you the possibility to extract audio data from your MP4 videos and save it as AU files.
Extract Audio from MP4 Video to AU download selection by Bill White. July 11, 2015