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近几年来电视技术发展迅速,当人们还在津津乐道MPEG—1视频压缩技术的优越性时,比它更优越的MPEG—2数字电视又问世了。据报导,国外电视工业集团的战术目标是在今年柏林广播展览会召开的同时进行首次MPEG—2电视广播。看来,这种可与多媒体计算机系统接轨的先进电视系统很可能在电视制式大战中获胜,并将在本世纪末和下世纪初逐渐取代传统的低清晰度电视系统。本文简要介绍这种采用MPEG—2标准的未来数字电视。 MPEG—2是活动图象专家组于1994年初制订的标准,它描述了关于视频和音频数据压缩技术的许
In recent years, the rapid development of television technology, when people are still talking about the advantages of MPEG-1 video compression technology, more superior than its MPEG-2 digital TV has come out. It is reported that the tactical goal of the foreign television industry group is to hold the first MPEG-2 television broadcasting at the same time as this year’s Berlin Broadcasting Fair. It appears that this state-of-the-art television system, which is compatible with multimedia computer systems, is likely to win the war on television and will gradually replace the traditional low-resolution television system by the end of this century and the beginning of the next century. This article briefly introduces this future digital TV using the MPEG-2 standard. MPEG-2 is a standard developed by the Moving Picture Experts Group in early 1994 and describes the promise of video and audio data compression