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随着信息与通讯技术日新月异的发展,高清晰度数字电视成为新一代传播煤介的趋势已经非常明显。数字电视给人们带来的感官享受是诱人的,而与之相关的数字电视广播传输技术将会带来的经济利益更是不可想象的。数字电视(DTV),即是电视节目从录制、播出、发射和接收全部采用数字编码与数字传输技术的新一代电视。西方发达的资本主义国家,如美国、欧洲和日本都已开播数字电视节目,以英国为例,数字电视大约已占到60%—70%。作为全球最大的彩电消费国和全球最大的彩电市场,我国的彩电企业同样可以生产高清晰度数字电视,但受国内的数字节目和数字电视的发射接收技术的限制,至今,国人还没有眼福欣赏到高清晰度的电视画面,而
With the rapid development of information and communication technology, the trend of high-definition digital television becoming a new generation of communication media has become very clear. The sensory enjoyment that digital TV brings to people is attractive, and the economic benefits associated with the digital TV broadcast transmission technology are even more unimaginable. Digital Television (DTV), the next generation of television that records, broadcasts, transmits and receives all digital and digital transmission technologies for television programs. Western developed capitalist countries such as the United States, Europe and Japan have all started digital television programs. In the United Kingdom, for example, digital television accounts for about 60% -70%. As the world’s largest consumer of color TVs and the world’s largest color TV market, China’s color TV enterprises can also produce high-definition digital television, but by domestic digital programs and digital television transmit and receive technology limitations, so far, people do not have the eyes to enjoy To high definition television picture, however