ATRAC CD

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Atrac CD logo.svg
A Sony car stereo capable of playing ATRAC CDs Sony CDX-GT420U car radio with PNY USB flash drive.jpg
A Sony car stereo capable of playing ATRAC CDs

An ATRAC CD is a compressed audio optical disc containing compressed digital audio in the ATRAC3 or ATRAC3plus formats, which are part of Sony's ATRAC (Adaptive Transform Acoustic Coding) family of proprietary audio compression algorithms.

Contents

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 [4] ATRAC3ATRAC3plus
Bitrate1411kbit/s292kbit/s132kbit/s64kbit/s
Data size (One 4 minute track)42.33MB8.77MB3.97MB1.94MB
Number of Tracks Recorded into CD-R (700 MB)About 16 tracksAbout 79 tracksAbout 176 tracksAbout 360 tracks

Software for burning ATRAC CD

Atrac3plus logo.svg
The difference of ATRAC3plus/ATRAC3 and MP3 file structure Sony d-ne10 reference 01.png
The difference of ATRAC3plus/ATRAC3 and MP3 file structure

The ATRAC CD can be burned with SonicStage Simple Burner Ver.1.1, SonicStage 2.x to 3.x and SonicStage CP. This software is able to create a disk image from MP3 files and compact discs and can be burned with the included CD-R/RW drive on a computer.

Storage Comparison of ATRAC CD on a regular CD-R
FormatBitrateSongs (Estimated at 4 minutes / song)
ATRAC3plus48kbit/s490 Songs [4]
ATRAC3plus64kbit/s360 Songs
ATRAC366kbit/s350 Songs
ATRAC3105kbit/s220 Songs
ATRAC3132kbit/s170 Songs
ATRAC3plus256kbit/s90 Songs

See also

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References

  1. Quick Reference Guide - SONY USA
  2. SONY D-NE1 Catalog
  3. "Sony Global - ATRAC - Overview". www.sony.net. Retrieved 2020-07-18.
  4. 1 2 "ATRAC" here refers to the SP mode used in the MD format.
  5. "SONY D-NE10" (PDF). Retrieved 2021-04-24.