IPTV的EPG特征研究和功能实现

EPG Functionality to Achieve and Characteristics of IPTV

交互式点播服务是网络电视的重要部分，开发好的电子节目指南（EPG）系统，是实现交互式服务的关键。通过改进IPTV中基于嵌入式浏览器的EPG系统，将本地EPG数据库引入IPTV的EPG系统中，提高信息处理效率。

VOD service is necessary in an IPTV solution, and a well-designed EPG system is key for implementing interactive service. EPG system of IPTV was improved by adding a local EPG database to it. The efficiency of the information analyse was improved.