ATRAC CD

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

ATRAC CD
Filename extension
.aa3
.oma
.at3
.at9
.atp
Developed bySony Corporation
Type of formatAudio file format

Description

ATRAC CD was used with SonicStage Simple Burner software (Ver.1.0 / 1.1) in February 2003,[1][2] and was subsequently replaced with SonicStage in 2004. The new CD Walkman product was called "ATRAC CD Walkman". In the following year (2004-2005), ATRAC CD boombox was introduced as a new product.

ATRAC Technology[3]
CD (Linear PCM) ATRAC*1 ATRAC3 ATRAC3plus
Bitrate 1411kbit/s 292kbit/s 132kbit/s 64kbit/s
DataSize (One 4 minute track) 42.33MB 8.77MB 3.97MB 1.94MB
Number of Tracks Recorded into CD-R（700MB) About 16tracks About 79tracks About 176tracks About 360tracks

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

Install software

Install the SonicStage Simple Burner (or SonicStage) CD-ROM. Select your favorite CD's or MP3 files create a CD image stored on hard disk, and burn it on a CD-R/RW using your PC. After this, you can listen to ATRAC CD on your CD player.

ATRAC3plus 48kbps 490 Songs*1
ATRAC3plus 64kbps 360 Songs
ATRAC3 66kbps 350 Songs
ATRAC3 105kbps 220 Songs
ATRAC3 132kbps 170 Songs
ATRAC3plus 256kbps*2 90 Songs

1. Estimated at 4 minutes per song, using 700MB CD-R/RW media.

2. Began on SonicStage Simple Burner Ver.1.1, SonicStage 2.X-3.X, and SonicStage CP.

See also

References
  1. Quick Reference Guide - SONY USA
  2. SONY D-NE1 Catalog
  3. "Sony Global - ATRAC - Overview". www.sony.net. Retrieved 2020-07-18.
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