随着移动电视、高清数字电视频道开播、CMMB技术以及IPTV电视已在全国大部份省市逐步推进,预示着电视数字化时代已经到来。数字必然代替模拟。在数字电视已基本定下发展途径并初见成效的情况下,越来越多的人把目光转到了数字广播—HD Radio。 With the launch of mobile TV and high definition digital television channels, CMMB technology and IPTV television have been gradually promoted in most provinces and cities nationwide, which indicates that the era of digital TV has come. Numbers inevitably replace the simulation. In the digital TV has basically laid the development path and achieved initial success, more and more people turn their attention to the digital radio-HD Radio.