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2002年7月15日中央电视台向世界公布:“新一代高密度数字激光视盘(EVD)系统”近日通过国家级技术成果鉴定。其技术系统包括22项发明专利和5套软件,具有自主知识产权。基于该系统的EVD播放机可直接用于高清晰度光盘存储节目的播放。其画面清晰度比DVD高5倍,音频质量优于杜比AC—3系统。这条消息震惊了世界,是我国影音家电产业和全国消费者的一件大事。
July 15, 2002 CCTV announced to the world: “a new generation of high-density digital laser disc (EVD) system” recently passed the national technical achievements appraisal. Its technical system includes 22 invention patents and 5 sets of software, with independent intellectual property rights. EVD players based on this system can be used directly for playback of high-definition disc storage programs. Its picture clarity is 5 times higher than DVD, audio quality is superior to Dolby AC-3 system. This news shocked the world, is China’s audio-video appliance industry and national consumers a major event.