Maduf06 Statistical Multiplexing Using Svc Marc Jacobs
Transcript of Maduf06 Statistical Multiplexing Using Svc Marc Jacobs
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MADUF WP4.2 Statistical Multiplexing Using SVC
VUB-ETRO UGent-MMLab
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Presentation Overview
Problem Solution: Statistical Multiplexing Scalable Video Coding Components of the Statistical Multiplexer Objective Results Perceptual Results Demo Questions
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Problem
Classical video multiplexing approach Each video channel same bandwidth
However Different content characteristics per channel
=> different quality between channels Content characteristics change in time
=> quality varies in time
Result Bad user experience
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Solution: Statistical Multiplexing
Dynamic joint rate allocation in function of content characteristics
New issues Encoding? Relevant content characteristics? Joint rate allocation? Bitrate adaptation?
Answers WP4.2
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Scalable Video Coding
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Components of the Statistical Multiplexer (1)
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Components of the Statistical Multiplexer (2)
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Objective Results
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Perceptual results
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Demo
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Questions
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Acknowledgement
We especially would like to thank the people from Nokia Siemens Networks for giving us the opportunity to test our prototype on their DVB-H infrastructure.