program specific information(PSI)

Firstly, Nucleus OS on which EPG software running, and the architecture of EPG software will be introduce; Secondly, the structure of the program specific information(PSI) and servive information(SI) will be analysed, and the process of da.

本文简要介绍了Nucleus Plus嵌入式操作系统和接收机软件开发平台的体系结构,详细分析了EPG系统中的节目特定信息(PSI)和节目信息(SI)中的数据结构,并介绍了EPG的数据接收流程和解析流程,最后对设计中的核心技术和难点作了细致深入的分析。

In this paper,the streaming structure of 13818-1 systems and researches especially its\' Program Specific Information (PSI) acquisition and reconstruction,PID remap,and Program Clock Reference (PCR) correction technologies are all analyzed.

对13818-1系统部分码流结构进行分析,对节目特殊信息(PSI)获取、重构、PID重映射、节目参考时钟(PCR)修正等关键技术进行了研究。