AU to M4A Converter
DevConverter converts your audio files online. Amongst many others, we support MP3, M4A, WAV and WMA. You can use the options to control audio quality and file size.
convert
AU
to
M4A
AU
AU is an audio file format, used on Sun and Unix systems.
M4A
M4A is an audio file format that is very similar to MP4. It is a proprietary file format of Apple. iTunes store contains the audios as M4A format. It uses MPEG-4 codec to contain audio files. One of the basic differences between M4A and MP4 is M4A does not contain videos like MP4.