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Perceptual video quality management system for streaming media distribution

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4 Author(s)
Nagafuchi, Y. ; NTT Inf. Sharing Platform Labs., NTT Corp., Tokyo, Japan ; Yanagimoto, K. ; Takagi, N. ; Kuribayashi, S.-i.

With the growth of high-speed access networks, we can copy video streaming services (both live streaming and video-on-demand) via the Internet at home. For higher perceptual video quality, it is necessary to monitor the video quality of each user flow in real time and control network source based on it. In this paper we propose a streaming quality management (SQM) system that estimates perceptual video quality of each user flow by capturing control messages of streaming protocol between server and client at server side. In addition, we equipped SQM system for Windows Media Technologies (WMT), Real System, and Mpeg2. The equipped SQM system has desirable characteristics; estimated streaming quality obtained from the system is almost the same as that from DMOS (Degradation Mean Opinion Score) defined by ITU-T [1] and the system has high scalability. Furthermore, we present network control schemes based on the streaming quality, and propose value-added services (ex. which part of content was viewed the most or how many times the content was viewed) using the streaming monitoring record each user, which could be collected by the SQM system.

Published in:

Communications, 2003. APCC 2003. The 9th Asia-Pacific Conference on  (Volume:2 )

Date of Conference:

21-24 Sept. 2003