MPEG Audio Layer I

MPEG Audio Layer I, also known as MP1 (but not to be confused with MPEG-1), is a compressed audio format. There are two versions of it: MPEG-1 Audio Layer I and MPEG-2 Audio Layer I.

It is one of the standards defined in MPEG-1 Part 3 (ISO/IEC 11172-3), and in MPEG-2 Part 3 (ISO/IEC 13818-3).

Specifications

 * ISO/IEC 11172-3:1993 - MPEG-1 Part 3 (not free to download)
 * ISO/IEC 13818-3:1998 - MPEG-2 Part 3 (not free to download)

Software

 * VLC

Sample files

 * mp1-sample.mp1

Links

 * MPEG-1 Audio Layer I