宋靳锞，张 远，王 博
（中国传媒大学，中国 北京 100024）
摘要：分析了HTTP自适应流媒体直播系统中对终端用户体验质量（QoE）产生影响的各类因素及其相互之间的作用关系，对基于服务器端、网络传输以及客户端的QoE优化策略进行总结。认为HTTP自适应流媒体直播系统的QoE优化重点在于降低延时，提出结合网络层和应用层影响因素来降低时延并提升用户QoE的建议。
关键词：流媒体直播；自适应流媒体；用户体验质量；优化策略
QoE Optimization in HTTP Adaptive Live Streaming System
SONG Jinke, ZHANG Yuan, WANG Bo
（Communication University of China，Beijing 100024，China）
Abstract: The influence factors on the users’ quality of experience (QoE) in a hypertext transport protocol (HTTP) adaptive streaming system and the interaction between these factors are studied. Then the QoE optimization strategies from the aspects of the server, network transmission and client side are summarized. The QoE optimization of HTTP adaptive live streaming system focuses on reducing delay, and combination with network layer and application layer factors can reduce delay and improve user QoE.
Keywords: Live Streaming; Adaptive Streaming; QoE; Optimization Strategy
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