MP3

First published1993
Issuing bodyISO
DomainMedia and Formats
StatusCurrent, patents expired 2017

About MP3

MPEG 1 Audio Layer III, standardized in ISO/IEC 11172-3 from research led by Karlheinz Brandenburg at Fraunhofer. It made digital music portable, powered Napster and the iPod era, and its patents expired in April 2017, leaving it free for all.

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