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TCP视频传输质量监控模型的研究 被引量:2

Research on TCP Streaming Media Quality Monitoring Model
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摘要 目前的网络视频传输质量监控模型大多是针对UDP的,而TCP视频传输质量监控模型的建立仍是一个待解决的问题。在基于MDI算法的UDP视频传输质量监控模型基础上,提出了能有效实时反应TCP视频传输质量的八个评估指标,并创建对应的监控模型进行实时指标计算。实验结果证明了该模型的可靠性和实用性。 The present network streaming media quality monitoring models are mostly only applicable to UDP streaming media, while TCP streaming media quality Monitoring Model building is still an unsolved problem. Through the study of the present UDP streaming media quality Monitoring Model based on MDI algorithm, This paper introduces eight indexes which can rcflect the present TCP streaming media quality effectively, and the model is built to calculate the indexes. Experiment shows that the model is reliable and can be used widely.
作者 丁蕾
出处 《计算机与数字工程》 2009年第4期141-143,154,共4页 Computer & Digital Engineering
关键词 媒体传输质量指标 延迟因素 媒体丢包速率 丢包间距 丢包次数 传送流乱序次数 媒体码率 MDI( media delivery indcx) ,DF(Delay Factor) ,MLR(Mcdia Loss Total), LDE(Loss Distance Errors),LPE(Loss Period Errors),TS CC errors(transport stream continuity counter errors), media stream rate
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参考文献8

  • 1黎致斌.IPTV视频传输质量测试标准-RFC4445MDI(MDI)媒体传输质量指标详解[M].IneoQuest公司
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  • 8ISO/IEC DIS 13818--2. Generic coding of moving Pictures and associated audio inofrmation. 1994

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