FileTypeDB

.AT3 File Extension

A .AT3 file is a ATRAC3 Audio File, created by Sony.

Open with Sony SonicStage (Discontinued). Available for Windows.

What is a .AT3 file?

The .AT3 file extension refers to an ATRAC3 Audio File, which is a type of audio file that uses Sony's Adaptive Transform Acoustic Coding 3 (ATRAC3) compression algorithm. This technology is designed to compress audio files effectively, making them smaller in size while maintaining good sound quality. The main purpose of this file format is for use in portable media devices. This means that these files are optimized for being stored and played back on devices that you can carry around, such as Sony CD players, MP3 players, the PlayStation Portable (PSP), and Sony Ericsson mobile phones.

To open a file with the .AT3 extension, you would typically need specific software that supports this format. Although Sony SonicStage, which was originally used for this purpose, has been discontinued, there are other programs available that can open .AT3 files. These include: 1. **MAGIX Sound Forge Pro 17** - This is a professional audio editing software that supports a wide range of audio formats, including ATRAC3. 2. **MAGIX ACID Pro 11** - Another software from MAGIX, this program is geared towards music production and also supports ATRAC3 files. 3. **MAGIX Vegas with ATRAC plugin** - This is a video editing software that can handle audio files as well, especially if the ATRAC plugin is installed.

It's important to note that .AT3 files might also appear with different file extensions like .AA3 or .OMG. These variations, especially the .OMG format, might include Digital Rights Management (DRM) protection. DRM is a set of access control technologies used by some companies to limit the use of digital content and devices after sale. This means that files with DRM may only be playable on certain devices or under certain conditions, which can restrict how you use them.

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