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针对IPTV快进快退优化的媒体封装格式 被引量：2

Media Packaging Format Optimizing for IPTV Fast Forward/Backward
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摘要 通过分析网络电视(IPTV)服务的特性和快进快退操作对服务器的影响,设计一种对快进快退操作进行优化的流媒体文件封装与索引格式,在采用数据块状存储的基础上,提出帧类别存储策略。性能对比实验表明,使用该文件格式的IPTV服务器提高了在快进快退模式下的性能。 By analyzing the characteristics of lntemet Protocol Television（lPTV） service and the influence of fast forward/backward on the server, a packaging and indexing format of streaming media file optimized for fast forward/backward is proposed. Based on block-level media storage technology, it designs frame type storage strategy. Performance evaluation experiments demonstrate that IPTV server can work more efficiently with the format under fast forward/backward.
作者 王国权 李弋 叶德建
机构地区 复旦大学软件学院宽带网络与互动多媒体实验室
出处 《计算机工程》 CAS CSCD 北大核心 2010年第6期218-220,共3页 Computer Engineering
基金 国家自然科学基金资助项目(60503044) 上海市科技启明星人才计划基金资助项目(06QA14008)
关键词 网络电视 快进快退 媒体封装 磁盘I/O Internet Protocol Television（IPTV） fast forward/backward media packaging disk I/O
分类号 TP37 [自动化与计算机技术—计算机系统结构]
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参考文献5

  • 1Wu Dapeng, Hou Yiwei, Zhu Wenwu, et al. Streaming Video over the Internet: Approaches and Directions[J]. IEEE Transactions on Circuits and Systems for Video Technology, 2001, 11(3): 282-300.
  • 2叶德建,孙潞峻,张佐.大并发流媒体实时传送的方法:中国,200510025785.9[P].2005-10-26.
  • 3王荣生.VoD系统性能的综合研究[J].计算机工程,2005,31(4):11-13. 被引量：6
  • 4ISO/IEC 13818-2 Information Technology-Generic Coding of Moving Pictures and Associated Audio Information: Video[S]. 2000.
  • 5Huan Chen, Zhu Chenjie, Li Yi, et al. Dedicated Disk I/O Strategies for IPTV Live Streaming Servers Supporting Timeshift Functions[C]//Proc. of IEEE International Conference on Computer and Information Technology. Fukushima, Japan: IEEE Press, 2007: 333-338.

二级参考文献2

  • 1Li X, Ammar M. Bandwidth Control for Replicated-stream Multicast Video Distribution[C]. In Proceedings of the Fifth IEEE InternationalSymposium on High Performance Distributed Computing, Syracuse, NY, 1996-08:45-56
  • 2Wolf J L, Yu P S, Shachnai H. Disk Load Balancing for Video-onDemand Systems[J]. Multimedia Systems, 1997, 5:358-370

共引文献5

同被引文献16

  • 1Dan A, Sitaram D. Generalized interval caching policy for mixed interactive and long video workloads [ C ]//Electronic Ima- ging: Science & Technology. International Society for Optics and Photonics. 1996: 344-351.
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  • 9Belady L A. A study of replacement algorithms for a virtual-storage computer[ J]. IBM systems journal, 1966, 5 (2) : 78-101.
  • 10Fiat A, Karlin A R. Randomized and multipointer paging with locality of reference [ C ]//Proceedings of the twenty-seventh an- nual ACM symposium on Theory of computing. 1995 : 626-634.

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计算机工程
2010年 第6期

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