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format file au

What is an au file and how do I open an au file?

The AU file extension is a data format associated to Sun Microsystems. AU files store the data in three parts: a header (24 bytes), a variable length annotation block, and the actual audio data. These are audio files used primarily on Sun or other Unix-based machines and have been adopted by several audio programs like Adobe Audition, Java and QuickTime. They are uncompressed sound recordings, stored in a different format. They are known as Unix audio files or audible files which are used to embed and play audio files on Web pages. AU files are small and have poor sound quality. They can be converted to MPEG (MP3) or any other audio format like WAV using an audio conversion application such as Cool Music Converter (AudioEditor), Switch (NCH Software) and CyberPower's Free Converter. Files in AU format can be opened with Apple QuickTime Player, RealNetworks RealPlayer and Adobe Audition CS6.

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Detail au file extension information:
File Type: au
File Format: Audio File
Primary Association: Audio Files
Mime Type: audio/au, audio/basic, audio/rmf, audio/snd, audio/vnd.qcelp, audio/x-au, audio/x-basic, audio/x-gsm, audio/x-pn-au, audio/x-rmf, audio/x-ulaw