Sony ATRAC: Difference between revisions

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m (Link with the ATRAC3 page.)
m (Revamp ATRAC family description.)
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* Format tag: 0x270
* Company: [[Sony]]
* Samples: http://samples.mplayerhq.hu/A-codecs/ATRAC3/
* Technical: http://www.minidisc.org/aes_atrac.html
ATRAC (Adaptive TRansform Acoustic Coding) is the collective name for audio compression technologies
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,
developed by [[Sony]].
ATRAC3plus and ATRAC Advanced lossless.
You can read about it at http://www.sony.net/Products/ATRAC3/overview/index.html#family
 
The ATRAC codec was introduced in 1992 with the MiniDisc. There is a good description at
http://www.minidisc.org/aes_atrac.html. It is used in MiniDisc portable players
by many companies.
 
Same as [[RealAudio atrc]], the RealAudio streams are XOR scrambled.
 
Stored in [[Microsoft_Wave|WAV]]/[[Microsoft_Audio/Video_Interleaved|AVI]], [[RealMedia|RM]] and [[Oma|Oma/Omg]] containers.


Sony Dynamic Digital System (SDDS), used in theatres, is based on ATRAC. Common use of the codec is in Sony made Minidisc and Flash based players.
This codec family includes the following codecs today:


There are some known variants:
* [[ATRAC]]
* ATRAC
* [[ATRAC3]]
* [[ATRAC3]]
* [[ATRAC3plus]]
* [[ATRAC3plus]]
* ATRAC Advanced Lossless (AAL)
* ATRAC Advanced Lossless (AAL)
An overview of this product family can be found here: http://www.sony.net/Products/ATRAC3/overview/index.html#family
ATRAC-compressed audio is usually stored in [[Microsoft_Wave|WAV]]/[[Microsoft_Audio/Video_Interleaved|AVI]], [[RealMedia|RM]] and [[Oma|Oma/Omg]] containers.


[[Category:Audio Codecs]]
[[Category:Audio Codecs]]

Revision as of 06:51, 29 November 2018

ATRAC (Adaptive TRansform Acoustic Coding) is the collective name for audio compression technologies developed by Sony.

This codec family includes the following codecs today:

An overview of this product family can be found here: http://www.sony.net/Products/ATRAC3/overview/index.html#family

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