MPEG-1 Audio Layer I (MP1), is a lossy data compression format for audio. It is a deliberately simplified version of the MP2 file, but both formats have been largely made obsolete in favour of the more popular and higher quality MP3.

MPEG-1 Audio Layer I
Filename extension.mp1
Internet media typeaudio/mpeg,[1] audio/MPA[2]
Initial releaseDecember 6, 1991; 32 years ago (1991-12-06)[3]
Latest release
ISO/IEC 13818-3:1998
(April 1998; 26 years ago (1998-04))
Type of formatLossy audio

References

change
  1. "The audio/mpeg Media Type - RFC 3003". IETF. November 2000. Retrieved 2009-12-07.
  2. "MIME Type Registration of RTP Payload Formats - RFC 3555". IETF. July 2003. Retrieved 2009-12-07.
  3. Patel K, Smith BC, Rowe LA (1993-09-01). "Performance of a software MPEG video decoder". Proceedings of the first ACM international conference on Multimedia - MULTIMEDIA '93. ACM Multimedia. New York City: Association for Computing Machinery. pp. 75–82. doi:10.1145/166266.166274. ISBN 978-0-89791-596-0. S2CID 3773268. Reference 3 in the paper is to Committee Draft of Standard ISO/IEC 11172, December 6, 1991.