Open AU file

The most commonly used .au file type: Unix audio sound file format

What is au file? Understanding and opening au files

au file icon Are you facing difficulties opening au files on your computer, or wondering exactly what au file is?
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.au file type #1: Unix audio sound file format

An au file extension is associated with the Unix audio sound file format developed for Unix and Unix-like operating system to store audio data and sounds.

Further details

The au file extension is also related to UNIX-generated sound files.

Probably very similar to SND, an interchangeable sound file format that is used on Sun, NeXt, and Silicon Graphics computers. The file typically contains raw sound data that is followed by a text identifier.

AU is a sound file format developed by Sun for the Unix platform for use on the Internet. It is known as the Sparc-audio or u-law format.

Open au file with:

Unix icon

Unix

A multi-tasking operating system for various platforms

.au file type #2: Audacity audio block

An au file extension is related to the Audacity an audio editor. An au file stores audio block.

Further details

The au file extension is associated with Audacity audio editing application.

Behind the scenes, large audio files are broken up into chunks of just over a megabyte in size, which Audacity calls block files with au file extension.

The Audacity au files are not compatible with au Unix audio files.

Open au file with:

Audacity icon

Audacity

A free, open source software for recording and editing sounds

Audacity for Mac icon

Audacity for Mac

A multi-track audio editing tool

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

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Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

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