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A study on the method to reduce data transfer in multi-quality VOD service

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2 Author(s)
S. Suzuki ; Inf. Media Centre, Hiroshima Univ., Japan ; M. Kodama

In the VOD service, the low resolution video data is expected for content searching, and the high resolution video data is expected for browsing. We have presented the effect of spatial video scalability encoding in cache utilization. In this study, we report comprehensive experiments on cases of various updating procedures, and the effects of differential data transferring. As a result, if a time-cycle of downloading, transcoding and browsing is too short for all clients to download contents within, the scalability encoding method can improve the quality of service, in both of data size and consumed time.

Published in:

Circuits and Systems, 2004. MWSCAS '04. The 2004 47th Midwest Symposium on  (Volume:1 )

Date of Conference:

25-28 July 2004