.AT3 File Extension

ATRAC3 Audio File

Developer Sony
Popularity
3.6  |  11 Votes
 
NEW: Open your .AT3 file online with File Helper.View Online

What is an AT3 file?

Audio file created with Sony's Adaptive Transform Acoustic Coding 3 (ATRAC3) compression algorithm; designed for storage and playback on portable media devices, including Sony CD and MP3 players, the PlayStation Portable (PSP), and Sony Ericsson mobile phones.

More Information

AT3 files may also be seen as .AA3 files, or as .OMG files, which contain Digital Rights Management (DRM) protection.

Programs that open AT3 files

Verified by FileInfo.com

The FileInfo.com team has independently researched the ATRAC3 Audio file format and Windows apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

If you would like to suggest any additions or updates to this page, please let us know.