数字视音频节目源变换系统的研究与开发  

Research and Development of Transforming System for Digital Audio and Video Program

作　　者：包同涛[1] 冯穗力[1] 叶梧[1] 

机构地区：[1]华南理工大学电子与信息学院,广东广州510640

出　　处：《电视技术》2009年第1期79-81,83,共4页Video Engineering

基　　金：广东省工业攻关项目资助(2007B010200051)

摘　　要：介绍了一种数字视音频节目源变换系统。它可对多种不同方式输入的数字视音频流通过软件处理进行节目筛选、转码变换、分解合成、无缝插播等信号处理,作为新的数字电视或IPTV的节目源。A transforming system for digital video and audio program is introduced. In this system, much software processing is used to digital audio and video streams imported in different ways, such as program selection, code transforming, component and decomposition, seamless inseted playing and so on. And the processed streams can be used as the program of new digital TV and IPTV.

关 键 词：数字电视 节目源 交换 TS复用 无缝拼接 

分 类 号：TN949.26[电子电信—信号与信息处理]