VCD作为我国独特大量上市的视听新产品，虽然年销量已达1200万台以上，但随着数字压缩技术的进步，其250线的清晰度质量水平，已不能满足人们的要求。为此，原电子工业部委托中国录制设备标准化委员会，召集国内VCD专家及生产厂家，从97年9月25日～98年5月20日经五次研讨，研制 As a new audio-visual product with a large number of listed products in China, VCD has reached more than 12 million units in annual sales. However, with the advancement of digital compression technology, the quality of its definition of 250 lines can no longer meet people’s requirements. To this end, the former Ministry of Electronics Industry commissioned the China Recording Equipment Standardization Committee, called the domestic VCD experts and manufacturers, from September 25, 1997 ~ May 20, 1998 after five discussions, development