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数字电视机顶盒工作模式从广播电视发展方向看,模拟电视被数字电视取代是无庸置疑的,取代的时间和方法则随各国的国情而有所不同。但有一点可以肯定,无论经济实力有多雄厚,哪国也不会于朝夕之间将所有模拟接收电视机都打入冷宫而以数字接收电视机来取代之,于是数/模转换机顶盒
Digital TV set-top box mode of operation From the direction of the development of radio and television, analog TV digital TV is undoubtedly replaced, the time and method of replacement will vary with the national conditions of different countries. But one thing is certain, no matter how strong the economic strength, which country will not be between the day and night will be all analogue receiving TV into the cold and the digital TV receiver to replace it, so digital / analog conversion set-top boxes