| 视频点播系统中客户端的缓存管理和码率控制策略研究 |
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| 引用本文： | 史翠竹,余松煜,苏鹏程.视频点播系统中客户端的缓存管理和码率控制策略研究[J].计算机工程与应用,2004,40(7):126-129. |
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| 作者姓名： | 史翠竹 余松煜 苏鹏程 |
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| 作者单位： | 上海交通大学图像通信与信息处理研究所,上海,200030 |
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| 基金项目： | 上海市科委项目“IP网上MPEG-4宽带流媒体应用研究”(项目号:025115018) |
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| 摘 要： | 在视频点播(VideoOnDemand,VOD)系统中,由于网络延时和抖动的影响,使得接收到的数据包存在延迟和失序的问题;同时作为实时交互系统,还存在系统两端速率的匹配问题。文中针对VOD系统实现中的这两个问题,讨论了可行的解决方案:客户端的缓存管理和基于客户端的码率控制策略。在实验系统上的运行结果证实了笔者提出的方案的有效性。
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| 关 键 词： | VOD 缓存管理 码率控制 |
| 文章编号： | 1002-8331-(2004)07-0126-04 |
Buffer Management and Rate Control Strategy on the Client Side in a VOD System |
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| Shi,Cuizhu Yu,Songyu Su Pengcheng.Buffer Management and Rate Control Strategy on the Client Side in a VOD System[J].Computer Engineering and Applications,2004,40(7):126-129. |
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| Authors: | Shi Cuizhu Yu Songyu Su Pengcheng |
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| Abstract: | Due to delay and fluctuation of the network in a VOD system,there are two issues relating the receiving of data packets,i.e.,delay and misorder.Meanwhile,as a realtime interactive system,a VOD system has another issue to be concerned,that is,rate harmonization on two sides of the system.Feasible schemes have been discussed about these two issues in this thesis-buffer management and rate control strategy on the client side in a VOD system.The feasibility of the proposed strategy has been verified by the experimental results of the actual system. |
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| Keywords: | Video on Demand(VOD) Buffer management Rate control |
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