针对现有的IPTV在个性化、互动性的媒体封装局限性,研究和分析了目前已经存在的以及正在发展的动态媒体封装技术.为使动态媒体封装技术易于大规模推广,提出通过把标签信息加入信源中进行MPEG-2标准编码,再利用TS封装技术传输,最后通过解码器解码的解决方案,并利用该技术实现了九屏最热业务系统,得到了实际应用.%For the limitations of existing IPTV system in personal service,interactive service,the existing and developing dynamic media packaging technologies were studied.In order to make dynamic media packaging technologies easy to apply in the IPTV system,a method that adding the label information to the source for MPEG-2 standard encoding was proposed,and TS package technology was used to transmit,and finally decoding was achieved by the decoder.This technology had been used in realizing the system of nine screens hottest business system and had achieved practical application.
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