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(一)有线与卫星数字电视双力齐发,卫星电视传播通路分化渐显我国广播电视节目主要依靠地面无线、卫星、光缆、微波等技术手段进行传输,各种传输手段各有所长,互为补充。2009年,我国有线电视数字化转换继续稳步推进,直播卫星产业积极部署,两种传输手段在技术及应用层面均取得良好进展。调查显示:截止到2009
(A) Cable and satellite digital TV double-pronged efforts, satellite TV channels gradually spread differentiation China’s radio and television programs rely mainly on terrestrial wireless, satellite, optical cable, microwave and other technical means to transmit, all kinds of transmission means have their own strengths and mutual To supplement. In 2009, the digitalization of China’s cable TV continued its steady progress, and the direct broadcast satellite industry was actively deployed. The two transmission methods made good progress both in technology and application. Survey shows: as of 2009