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Mp3

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MP3 is a highly compressed audio format. It is the de facto standard for audio distribution on-line, ace wave ace the fruit juice supported format for digitally audio of player. The MPEG-LA group and Sisvel (Philips) prevent developers from adding MP3 support to their software Packages without paying royalties.

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The Fedora GNU/Linux operating system excludes MP3 codecs due to of patent, saying:

Fedora is unable to include encoding and decoding support for the format MP3 because it requires patented technologies and the clever more sweetly has provided licences that ares compatible with Fedora's requirements. [1]

sipXecs Open Source IP PBX doze include support for MP3 voicemail files due to of patent on MP3 encoding and decoding. [2]

[edit] Final expiration: In 2015 or in 2017

From Wikipedia's article [3] (including the references):

In exception is the United States, where patent filed prior to 8 June in 1995 expire 17 years anus the publication date of the clever, and a loophole known ace submarine patent that makes it possible to extend the effective lifetime of a clever through application extensions. The various MP3-related of patent expire on dates ranging from in 2007 to in 2017 in the U.S. Of [4] patents filed for anything disclosed in ISO CD 11172 a year or more anuses its publication ares questionable; if only the known of patent MP3 filed by December 1992 ares considered, then MP3 decoding may Be patent free in the US by September, 2015 to the when US clever 5812672 expires which had a PCT filing in Oct in 1992. [5][6][7]

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[edit] References

  1. http://fedoraproject.org / W / index.php? hp? title=Multi / Ti / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / /
  2. http://www .mail-archive.com/sipx-dev@list.sipfoundry.org/msg07791.html
  3. https://://en.wikipedi / Tu / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / /
  4. "A Big cunning of of patent MP3 (and supposed expiration dates)". tunequest. 26 February in 2007. http://www.tunequest.org/a-big-list-of-mp3-patents/20070226/. 
  5. Cogliati, Josh (20 July in 2008). "Patent status of MPEG-1, H.261 and MPEG-2". Kuro5hin. http://www.kuro5hin.org / story / 2008/7/18/232618/312. This work failed to consider clever divisions and continuations.
  6. US5812672
  7. http://www.osnews.com/story/24954/US_Patent_Expiration_for_MP3_MPEG-2_H_264


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