ATRAC CD


ATRAC CD is an audio compression optical disc developed by Sony. It uses the ATRAC3 and ATRAC3plus formats from Sony's ATRAC family of proprietary audio compression algorithms.

Description

ATRAC CD was used with Sonic Stage Simple Burner software in February 2003, and was subsequently replaced with SonicStage in 2004. The new CD Walkman product was called "ATRAC CD Walkman". In the following year, ATRAC CD boombox was introduced as a new product.
CD ATRAC*1ATRAC3ATRAC3plus
Bitrate1411kbit/s292kbit/s132kbit/s64kbit/s
DataSize About 16tracksAbout 79tracksAbout 176tracksAbout 360tracks

*1 "ATRAC" here refers to the SP mode used in the MD format.