Files with aa3 extension is used for a special Adaptive Transform Acoustic Coding (ATRAC) format used by Sony for their MiniDisc format.

Detailed description

Software that open aa3 file

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AA3 file extension - Sony ATRAC audio

What is aa3 file? How to open aa3 files?

File type specification:

Audio and sound file type icon Audio and sound file type

The aa3 file extension is mainly related to a proprietary audio format used by Sony - ATRAC.

Adaptive Transform Acoustic Coding is an audio compression technology for MiniDisc media. The format is no longer actively used.

This aa3 file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open aa3 file:

Sony SonicStage icon

Sony Corporation logoSony SonicStage  Microsoft Windows software

Company or developer:
Sony Corporation

SonicStage is a software used for managing portable devices when they are plugged into a computer running Windows. Its both a music player and library manager

Help how to open:

Various audio editing programs from Sony can still open this file format and work with it.

How to convert:

Sony Sound Forge should be able to export AA3 format to other audio formats, like FLAC.

Find conversions from aa3 file:

aa3 to flac

aa3 to frg

aa3 to mp3

Find converter to aa3 file type:

at3 to aa3

groove to aa3

mp3 to aa3

sfl to aa3

Related links:

What is ATRAC?

List of software applications associated to the .aa3 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open aa3 file, edit aa3 file, convert aa3 file, view aa3 file, play aa3 file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting aa3 files.

Software that open aa3 file - Sony ATRAC audio

Programs supporting the exension aa3 on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open aa3 file action.

Microsoft Windows:

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