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MP3 Surround

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Illustration of 5.1-channels

MP3 Surroundis an extension ofMP3for multi-channel audio support including5.1 surround sound.It was developed byFraunhofer IISin collaboration withThomsonandAgere Systems,and released in December 2004.[1][2][3]

MP3 Surround isbackward compatiblewith standard MP3.[1][4]The data overhead is 16 kbit/s, which allows for file sizes similar to standard stereo MP3 files. The file size is approximately 10% larger than that of a typical MP3 file. The current evaluation encoder is licensed for personal and non-commercial uses. An MP3 Surround file can be created from 5 or 6 channels ofWAVaudio.

Several companies, such asDivX, Inc.andMagix,have announced support for the new codec.[5][6]DivX, Inc.released their first player with MP3 Surround support on September 6, 2006.

In January 2006,ThomsonandFraunhofer IISalso released two new companion technologies:Ensonido,which allows playback of MP3 Surround 5.1 channel sound through stereo headphones, andMP3 SX,which upgrades standard stereo mp3 file to mp3 surround files.

On its 5.5 release, NullsoftWinamphas included the MP3 Surround format as a part of its integrated MPEG audio decoder (released October 10, 2007).

As of 2 July 2008, withsystem softwarev2.40,PlayStation 3supports MP3 Surround playback.[7]

References

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  1. ^abmp3 SURROUND Set for Launch - Fraunhofer IIS, Thomson, and Agere Systems Unveil - Free mp3 SURROUND Evaluation Download
  2. ^Hear all about it: MP3 goes surround-sound
  3. ^"MP3 surround sound system debuts".BBC. 22 March 2004.
  4. ^mp3 SurroundArchived2006-01-13 at theWayback Machine
  5. ^"Updated: Player 6.3.1 with mp3 Surround support now available!".Archived fromthe originalon 2011-07-10.Retrieved2011-02-25.
  6. ^MAGIX announces support of MP3 Surround into music and video editing toolsArchived2011-07-19 at theWayback Machine
  7. ^"Firmware v2.40 due".ps3sacd.Retrieved2009-08-09.
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