论文部分内容阅读
在2001年11月底,国家计委数字电视研究开发及产业化领导小组组长、国家计委主任曾培炎在宣布我国数字电视的发展已进入实质性阶段的同时,他所领导的小组也制定了我国广播电视数字化的“三步走”计划。第一步,到2005年,卫星传输全部实现数字化,有线电视网以及省级以上电视台基本实现数字化,并在2003年完成地面数字(高清晰度)电视标准的制定,在大城市开播数字(高清晰度)电视。第二步,到2010年,广播影视节目的制作、播出以及卫星、有线传输实现数字化,地面电视基本实现数字化,数字电视接收机得到普及。第三步,2015年全面实现数字化,完成模拟向数字的过渡,逐步停止模拟电视的播出。数字电视是一个循序渐进的系统工程。真实的数字电视
At the end of November 2001, when Zeng Peiyan, leader of the State Development Planning Commission and the leader of the State Development Planning Commission for Digital Television Research and Development and Industrialization of the State Development Planning Commission, announced that the development of digital television in China has entered a substantive stage, TV digital three-step plan. The first step is to realize the digitalization of satellite transmission by 2005. The digitalization of cable television networks and television stations above the provincial level will be basically completed. In 2003, the development of the terrestrial digital (high definition) television standard will be completed and the number of high- Definition) TV. The second step, by 2010, the production and broadcasting of radio and television programs, as well as the satellite and cable transmission will be digitalized. The terrestrial television will be basically digitized, and the digital television receiver will be popularized. The third step is to fully realize digitalization in 2015, complete the transition from analogue to digital, and gradually stop the broadcasting of analogue television. Digital television is a systematic engineering step by step. Real digital TV