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本文简要介绍了日本、西欧及美国高清晰度电视(HDTV)和全数字HD-TV的特点、发展简史和关键技术,并提出了我国应从全数字TV发展到全数字HDTV的具体建议。
This article briefly introduces the features, the history of development and key technologies of HDTV and all-digital HD-TV in Japan, Western Europe and the United States. It also presents some concrete suggestions that China should develop from all-digital TV to all-digital HDTV.