Mpeg是Motion Picture Expert Group的缩写。活动图像专家组是在1988年由ISO和IEC联合成立的专家组，负责开发电视图像数据和声音数据的编码，解码和它们的同步等标准。到目前为止已经开发和正在开发的MPEG标准有很多，主要包括Mpeg-1,Mpeg-2,Mpeg-4,和Mpeg-7.-Mpeg is the abbreviation of Motion Picture Expert Group. Moving Picture Experts Group in 1988 jointly established by the ISO and the IEC' s group of experts responsible for the development of television image data and sound data encoding, decoding and their synchronization standard. So far have been developed and are developing a lot of MPEG standards, including Mpeg-1, Mpeg-2, Mpeg-4, and Mpeg-7.