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AU File Format

Sun/NeXT/DEC/UNIX sound file

AU file format icon

AU is a file extension for a sound file format belonging to Sun, NeXT and DEC and used in UNIX. The AU file format is also known as the Sparc-audio or u-law fomat.

AU files contain three parts: the audio data and text for a header (containing 24 bytes) and an annotation block.

 

MIME type: audio/basic, audio/x-basic, audio/au, audio/x-au, audio/x-pn-au, audio/rmf, audio/x-rmf, audio/x-ulaw, audio/vnd.qcelp, audio/x-gsm, audio/snd

 

Learn more about AU files:

Wikipedia has an entry on AU files.

Search for answers to AU-related questions at IT Knowledge Exchange.

This was last updated in July 2010
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Downloaded a page from radio station KCRW.org and hundreds of au file came with it
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I just use UFUSoft Video Converter to convert au files to mp3, wav, flac, aac, wma, m4a, etc.
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