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近年来,数字电视发展迅猛,既有电信系统的“IP”电视,也有广电系统的有线数字电视、地面数字电视以及卫星传输的数字电视。就目前的发展状态来看,广电主导的数字电视发展最快。按照广电总局的所谓“三步走”战略部署,第一步的有线数字电视推广已经深入各个大中城市,用户规模达到了2400万户;第二步就是推广数字直播星业务,这对于扩大电视覆盖,
In recent years, the rapid development of digital television, both telecommunications systems, “IP” television, there are radio and television systems, digital cable television, terrestrial digital TV and satellite digital television transmission. Judging from the current development status, the leading digital television broadcasting has the fastest development. According to the SARFT’s so-called “three-step” strategic plan, the first step of digital cable TV promotion has been to reach large and medium-sized cities with 24 million subscribers. The second step is to promote the digital broadcast satellite service. Expand television coverage,