MPEG-1 Layer 3

Karlheinz Brandenburg, second from right, in 1987 with the team he led that worked on audio compression technology. From left, Harald Popp, Stefan Krägeloh, Hartmut Schott, Bernhard Grill, Heinz Gerhäuser, Ernst Eberlein and Thomas Sporer.

Motion Picture Experts Group-1 Layer 3 (commonly abbreviated MP3) is a (so-claimed) proprietary but widely used media encoding format for digital audio.

• Moving Picture Experts Group: http://www.chiariglione.org/mpeg/

Specifications

MP3

• Moving Picture Experts Group, layer 3 (MP3) codec: https://www.iso.org/standard/26797.html

ID3

For more details, see: Audio#ID3

• wikipedia: ID3

Lawsuits

The MP3 Format has had a long and tumultuous history of lawsuits and infringement cases which have gone to the US Supreme Court and European Tribunal (Europe's Collection of Supreme Courts).

For more details on MP3 see: wikipedia:MP3

External Links

• Patent Fights Are a Legacy of MP3’s Tangled Origins: http://www.nytimes.com/2007/03/05/technology/05music.html
• MP3.com pays $53.4 million to end copyright suit: http://news.cnet.com/MP3.com-pays-53.4-million-to-end-copyright-suit/2100-1023_3-248583.html
• wikipedia:Moving_Picture_Experts_Group
• MP3 Patent Battle Apple could Be Next Claim Analysts: http://www.smarthouse.com.au/iPods_And_Portable_Players/Industry/K9X4E2E5
• U.S. firm gets aggresive on MP3 patent: http://www.physorg.com/news73139463.html
• SanDisk sued for MP3 patent dispute: http://www.afterdawn.com/news/archive/8240.cfm
• Authorities seize gadgets during patent raid at German tech fair: http://www.iht.com/articles/ap/2008/03/06/technology/EU-TEC-Germany-Tech-Fair-Raid.php
• Microsoft takes $1.52 billion hit in MP3 patent case: http://seattlepi.nwsource.com/business/304871_msftalcatel23.html
• Alcatel-Lucent loses $1.5bn MP3 patent claim against MS: http://www.theregister.co.uk/2008/09/26/microsoft_alcatel_lucent_patent_claim/

See Also

Audio | Music | MP4