Sony ATRAC

• Product overview: http://www.sony.net/Products/ATRAC3/overview/index.html#family
• Developer's interview: https://www.sony.net/Products/ATRAC3/special/developers01.html

ATRAC (Adaptive TRansform Acoustic Coding) is the collective name for audio compression technologies developed by Sony.

This codec family includes the following compression algorithms today:

• ATRAC
• ATRAC3
• ATRAC3plus
• ATRAC Advanced Lossless (AAL)

ATRAC-compressed audio is usually stored in WAV/AVI, RM and Oma/Omg containers.