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首页> 外文会议>2010 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB 2010) >Robust peer-to-peer video streaming based on multiple description coding
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Robust peer-to-peer video streaming based on multiple description coding

机译：基于多描述编码的健壮对等视频流

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摘要

Peer-to-peer media streaming is a very attractive approach since the bandwidth available to serve content scales with demand. A challenge key, however, is making content distribution robust to peer transience. Multiple description coding (MDC) has proven to be very effective in problems related to packet loss, since it generates several descriptions that allow the reconstruction of the original information with any number of descriptions that can reach the decoder. In this way, multiple description may be effective for robust peer-to-peer streaming. This paper investigates the influence of MDC on the robustness of peer-to-peer video streaming. It is shown that not only MDC can really be effective for robust peer-to-peer video streaming, but also that varying the redundancy level of description on the fly lead to a better performance regarding an existent system where this parameter is fix.
机译：对等媒体流是一种非常有吸引力的方法，因为可用于服务内容的带宽随需求而扩展。但是，挑战的关键是使内容分发对同等瞬态来说很健壮。多描述编码（MDC）已证明在与数据包丢失有关的问题中非常有效，因为它会生成多个描述，这些描述允许使用可以到达解码器的任意数量的描述来重建原始信息。以这种方式，多个描述对于健壮的对等流传输可能是有效的。本文研究了MDC对点对点视频流的鲁棒性的影响。结果表明，不仅MDC确实对于健壮的对等视频流有效，而且即时更改描述的冗余级别也可以使此参数固定的现有系统具有更好的性能。

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