文档介绍：内容来源于 http://en./wiki/MPEG Moving Picture Experts Group From Wikipedia, the free encyclopedia (Redirected from MPEG ) "MPEG" redirects here. For the guild, see Motion Picture Editors Guild . For the pany that licenses patent pools for some MPEG standards, see MPEG LA . The ' Moving Picture Experts Group' ( MPEG ) isa working group of experts that was formed by ISO and IEC to set standards for audio and pression and transmission. [1] It was established in 1988 and its first meeting was in May 1988 in Ottawa, Canada. [2] [3] [4] As of late 2005, MPEG has grown to include approximately 350 members per meeting from various industries, universities, and research institutions. MPEG's official designation is ISO/IEC JTC1 /SC29 WG11 - Coding of moving pictures and audio (ISO/IEC Joint mittee 1, mittee 29, Working Group 11). [5] [6] [7] [8] Contents [ hide ] ? 1 Overview ? 2 Sub Groups ? 3 Cooperation with other groups o Joint Video Team o Joint Collaborative Team on Video Coding ? 4 Standards ? 5 Standardization process ? 6 See also ? 7 Notes ? 8 External links [ edit ] pression methodology The pression methodology is considered asymmetric as the encoder is plex than the decoder . [1] The encoder needs to be algorithmic or adaptive whereas the decoder is 'dumb' and carries out fixed actions. [1] This is considered advantageous in applications such as broadcasting where the numb