一种应用于机顶盒的数据广播解析系统

A design of data broadcasting analysis system applied in set-top boxes

数据广播是数字电视广播的重要组成部分,其业务支持各种形式的单向业务和本地交互业务,因此具有很好的节目便利性,业务多样性以及为听力障碍的人提供帮助等优点,随着电视广播从模拟向数字的过渡,数据广播在广播电视事业中的作用和影响也会越来越大。笔者按照国家相关标准,应用Source Insight 3编写软件程序,在数字电视机顶盒上实现数据广播的数据解析功能,为机顶盒提供数据广播显示的相关数据。

Data broadcasting is an important part of digital TV broadcasting.Because its business supports various one-way business and local interactive business,it has many advantages such that program is conveniently accessible,business is diversified and hearing-impaired people can get help from it.With the transition from analog to digital signal,data broadcasting becomes more and more important in radio and television field.According to relevant national standards,the author applies Source Insight 3 to write software programs to achieve data analysis functions of data broadcasting in digital TV set-top boxes and provide relevant data demonstrated by data broadcasting for the set-top box.