| 数字电视码流的分析转换 |
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| 引用本文： | 袁三男,王绍徐.数字电视码流的分析转换[J].电视技术,2010,34(12). |
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| 作者姓名： | 袁三男 王绍徐 |
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| 作者单位： | 上海电力学院计算机与信息工程学院; |
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| 摘 要： | 对数字电视码流的主要形式即传输流TS和节目流PS进行了分析,对TS的解析、显示时间标签PTS、解码时间标签DTS及视频帧结构信息等关键技术进行了研究,提出了TS转换成PS过程中PTS,DTS,SCR等重要参数的组建算法,最终实现了TS复合流到多个PS节目的转换.
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| 关 键 词： | 传输流 节目流 时间标签 转换 数字电视 |
Analysis and Transform of DTV Stream |
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| YUAN San-nan,WANG Shao-xu.Analysis and Transform of DTV Stream[J].Tv Engineering,2010,34(12). |
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| Authors: | YUAN San-nan WANG Shao-xu |
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| Affiliation: | YUAN San-nan,WANG Shao-xu(Department of C.S.& Info.,Shanghai University of Electric Power,Shanghai 200090,China) |
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| Abstract: | In this paper,the streaming structure of Transport Stream(TS) and Program Stream(PS) in digital TV and researches especially in parsing TS,Presentation Time Stamp(PTS),Decoding Time Stamp(DTS),structure information of video group of pictures are all analyzed.Creation algorithm of PTS,DTS,System Clock Reference(SCR) in PS is proposed,and conversion of TS to PS is realized. |
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| Keywords: | transport stream program stream time stamp conversion digital TV |
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