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1993年,美国 FCC 决定采用全数字缔造高清晰电视标准,由 AT&T、GI(通用)、MIT、Philips、Sarnoff、Thomson及 Zenith 组成了 Grand Alliance(大联盟),将各家技术的优点整合发展出一套标准的 HDTV 系统准则,以利将来 HDTV 的发展。这套 HDTV 标准格式与现有的电视系统有三个主要的不同,第一个是采用数字封包传送方式的全数字化 HDTV;第二是支持多种显示模式;第三就是兼容于个人计算机而不是 NTSC 的电视系统。这是当年家用电器制造商在
In 1993, the U.S. FCC decided to adopt the all-digital high definition television standard. The Grand Alliance (Grand Alliance) was formed by AT & T, GI, MIT, Philips, Sarnoff, Thomson and Zenith to integrate the advantages of various technologies A standard set of HDTV system guidelines to facilitate the development of HDTV in the future. The HDTV standard format and the existing television system has three main differences, the first is the use of digital packet transmission of fully digital HDTV; the second is to support multiple display modes; the third is compatible with personal computers instead of NTSC TV system. This was the home appliance manufacturer in the year