摘要
介绍了节目特定信息和业务信息(PSI/SI)的组成和作用,对与地面数字电视机顶盒接收和管理PSI/SI信息过程相关的解复用模块和节目数据库模块作重点阐述,分析基于STi5105芯片的解复用原理,描述了节目数据库模块与解复用、用户操作模块之间的交互关系。
This paper introduces the elements and functions of Programme Specific Information and Sevice Information,and mainly describes the principle of the transport stream demultiplexing and the management of the program information in database module,which in detail refers to the explanation of the transport stream demultiplexing based on the chip of STi5105,the interactive relationship between demultiplexing module and the program information database module,and the one between the user s input operation module ...
出处
《信息技术》
2007年第10期29-31,52,共4页
Information Technology
基金
国家自然科学基金项目(60672046)
