The committee that creates international standards for coding audio-visual information to a digital, compressed format. The acronym MPEG is appended to the beginning of individual specifications developed by the committee. For example, MPEG-2 refers to the standard, ISO/IEC - 11172.
(Motion Picture Experts Group; pr. ‘em-peg’) A set of standards for compressing video and audio files, and the committee that came up with them. Also, often used to mean movie files created to the MPEG standard.