【摘要】 本文介绍了一种电子节目指南(EPG)系统在机顶盒上的优化设计方案。该方案的创新点在于针对简单EPG和高级EPG的特点设计不同的SI引擎流程,从而提高了各自执行效率;同时提出一种新的节目索引和节目信息两者分离的EPG数据库结构,这种结构便于应用层对数据库的查询以及数据库自身管理。更多还原

【Abstract】 This paper introduces an optimized scheme for Electronic Program Guide system in Set-Top-Box. The scheme has different SI engine for simple EPG and advanced EPG in order to improve the efficiency; it also provides a new structure for EPG database which include event index database and event information database, and this structure is convenient to visiting and management.更多还原