The concept of Electronic Program Guide(EPG)is introduced firstly. The standard of EPG are described. The key technology of EPG is investigated deeply.

• 阐述了电子节目指南(EPG)的概念,简要说明了EPG的相关标准,深入研究了EPG的体系结构,着重介绍了在机顶盒上如何接收PSI/SI信息并组成EPG