Sony ATRAC

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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 codecs today:

ATRAC
ATRAC3
ATRAC3plus
ATRAC Advanced Lossless (AAL)

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

Sony ATRAC

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