How to Convert MP3 to AU Online?
Upload MP3 File
Drag and drop the MP3 files that you want to convert.
Convert MP3 to AU
Click CONVERT to convert your MP3 file(s).
Download Converted AU
Click DOWNLOAD to save your converted AU file(s).
Information about MP3 and AU File Formats
MP3 is a standard audio format developed by Moving Picture Experts Group and uses MPEG-1 and MPEG-2 standardizations. MP3 uses lossy data compression, meaning that it loses quality over time. This sound format comes with a .mp3 filename extension and is today the most common audio format on websites and multimedia players.
Windows Media Player
VLC Media Player
Moving Picture Experts Group
AU is an audio format standard in early web pages NEXT systems. It is also called u-law or Sparc-audio format. Typically, AU files can store audio data and annotation blocks. Initially, it was a headerless audio format, but newer versions have a header, thanks to the six unsigned 32.bit words.
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