File Type Generic IconATRAC Audio File
File Format Proprietary (Sony)
Usage Open manually
Popularity ★ ★ ★ ★ ☆  Common

Compressed audio file that uses Sony's ATRAC (Adaptive Transform Acoustic Coding) compression; supported by Sony audio devices and the Connect Music Services online store, which has been discontinued; AA3 files do not include any copy protection or digital rights management (DRM).

Important: In order for SonicStage to transfer an AA3 file to a Sony device, the ".aa3" file extension may need to be changed to .OMG.

Open With

IconSony SonicStage

IconMAGIX Sound Forge Pro

IconMAGIX Vegas

Updated 2007
Information from the PC File Extensions Reference