DVB信息规范及电子节目指南  

Digital Video Broadcasting Specification and Electronic Program Guide

作　　者：张超[1] 董艳蓉[1] 苏亚[1] 

机构地区：[1]河北工业大学,天津300130

出　　处：《中国有线电视》2004年第23期38-41,共4页China Digital Cable TV

摘　　要：与传统的模拟电视相比 ,数字电视技术可大大提高电视节目的传输效率、品质和收看效果。数字电视可以兼容现有的模拟电视 ,并可提供全新的多种业务 ,实现用户对电视的交互操作。当前 ,数字电视正在迅速发展。介绍了基于DVB标准数字电视的节目专用信息 (PSI)、业务信息 (SI)规范以及由业务信息生成的电子节目指南 (EPG) ,并表述了PSI。Comparing with the traditional analog TV, DTV(Digital TV) can greatly improves the transmission efficiency, quality and effect for watching. DTV can not only play digital program but also play analog program and it provides fire-new services, so achieving interactive operation for users. Nowadays, DTV is developing quickly. In this paper, the Program Specital Information, the Service Information Specificationin and the Electronic Program Guide derived from service information in DVB systems are introduced, and then it descripes the relationship among PSI, SI and EPG.

关 键 词：数字电视 DVB标准 MPEG-2 电子节目指南 

分 类 号：TN949.197[电子电信—信号与信息处理]