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ATRAC CD

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Type of compressed audio optical disc
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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.

Description

ATRAC CD was used with SonicStage Simple Burner software (Ver.1.0 / 1.1) 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 (2004-2005), ATRAC CD boombox was introduced, as a new product.

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

Software for burning ATRAC CD

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
Format Bitrate Songs (Estimated at 4 minutes / song)
ATRAC3plus 48kbit/s 490 Songs
ATRAC3plus 64kbit/s 360 Songs
ATRAC3 66kbit/s 350 Songs
ATRAC3 105kbit/s 220 Songs
ATRAC3 132kbit/s 170 Songs
ATRAC3plus 256kbit/s 90 Songs

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.
  4. ^ "ATRAC" here refers to the SP mode used in the MD format.
  5. "SONY D-NE10" (PDF). Retrieved 2021-04-24.

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