摘要
为了分析当前IPTV(交互式网络电视)的服务质量,在承载IPTV视频流的TS流(transport stream)中识别出I帧、B帧以及P帧,探讨了视频流在网络传输过程中丢失数据包的分布情况。结合丢失数据包的数量和丢失数据包的分布情况,对当前网络以及画面的情况提出了一种IPTV服务质量评估分析方法。
To analyze the service quality of IPTV. I frame, B frame and P frame were identified from TS stream that overloads video stream of IPTV. The distribution of lost packets was analyzed through the internet communication. An assessment of the video quality was made by the quantity and distribution of lost packet.
出处
《武汉理工大学学报(信息与管理工程版)》
CAS
2008年第6期886-888,892,共4页
Journal of Wuhan University of Technology:Information & Management Engineering
基金
国家自然科学基金资助项目(60475031)
关键词
IPTV技术
TS流
帧
technology of IPTV
TS ( transport stream)
frame