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2000年国家计委宣布在上海、北京和深圳三个城市进行地面数字电视广播试验,数字电视地面广播自此获得了快速发展,而地面数字电视广播传输标准的制定历程则一波三折。数字电视地面传输标准是整个数字电视产业技术标准的核心与战略出发点,在整个数字电视技术标准体系中,地面传输标准应用面最广,商业价值也最高。在该领域,我国科技界和产业界曾提出过5套方案,经
In 2000, the State Development Planning Commission announced that it has conducted trials of terrestrial digital television broadcasting in three cities of Shanghai, Beijing and Shenzhen. Since then, digital terrestrial television broadcasting has enjoyed rapid development. The formulation of the terrestrial digital television broadcasting standard has been going through twists and turns. Digital TV terrestrial transmission standard is the core and strategic starting point of the entire digital television industry technical standard. In the entire digital television technical standard system, the terrestrial transmission standard is the most widely used and has the highest commercial value. In this field, China’s science and technology industry and industry have proposed five sets of programs, after