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27 July 2001 Helping to understand the impact of media compression in QoS networks
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Proceedings Volume 4524, Quality of Service over Next-Generation Data Networks; (2001)
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States
This paper discusses a technique which allows conversion of a variable-bit-rate MPEG stream at an input bit rate to a constant-bit-rate MPEG video at a specified target bit rate. This allows researchers to use real compressed VBR data to pseudo-generate a CBR stream without having the over-head of re-capturing the video sequence. Thus, using our technique researchers can use a relatively inexpensive video capture board to digitize video data and then statistically generate a variety of frame pattern and bit-rates for CBR streams. Our results will show that one can capture the long-term behavior of the video data while generating a CBR stream at a specified bit-rate. We will show experiments of our approach when applied to bandwidth smoothing and autocorrelation functions.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Darshan Garimella and Wu-chi Feng "Helping to understand the impact of media compression in QoS networks", Proc. SPIE 4524, Quality of Service over Next-Generation Data Networks, (27 July 2001);


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