| 数字电视系统的解复用和同步问题 |
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| 引用本文： | 王延平,罗学金,苏祥芳,陈平.数字电视系统的解复用和同步问题[J].武汉大学学报(理学版),2000,46(1):109-112. |
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| 作者姓名： | 王延平 罗学金 苏祥芳 陈平 |
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| 作者单位： | 武汉大学电子信息学学院,武汉,430072 |
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| 基金项目： | 武汉市科委重点项目(981001005) |
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| 摘 要： | 解复用和同步是数字电视系统中的关键技术，涉及到复杂的实时控制过程．本文阐明了数字电视系统中MPEG-2传输流解复用的实现方法，并详细讨论了MPEG-2解码器中系统时钟的恢复以及视频和音频的同步问题．
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| 关 键 词： | 顶置盒 MPEG-2 传输流 同步 |
| 文章编号： | 0253-9888(2000)0l-0109-04 |
| 修稿时间： | 1999-10-09 |
The Demultiplexing and Synchronization of Digital TV System |
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| WANG Yan-ping,LUO Xue-jin,SU Xiang-fang,CHEN Ping.The Demultiplexing and Synchronization of Digital TV System[J].JOurnal of Wuhan University:Natural Science Edition,2000,46(1):109-112. |
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| Authors: | WANG Yan-ping LUO Xue-jin SU Xiang-fang CHEN Ping |
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| Institution: | WANG Yan-ping ,LUO Xue-jin ,SU
Xiang-fang ,CHEN-Ping ;
(College of Etectronic Information,Wuhan University,Wuhan 430072,China) |
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| Abstract: | Demultiplexing and synchronization is core technology of digital TV system and involves complex real time control,which should be implemented upon real time operation system. This paper discusses the method of MPEG-2 transport stream demultiplexing in digital television system and introduces detailed implementation of MPEG-2 decoder's system clock recovery and synchronization between video and audio. |
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| Keywords: | set-top box MPEG-2 transport stream synchronization |
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