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Low Power MPEG Video Player Using Dynamic Voltage Scaling

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Author(s): A.Rajalingam

Journal: Research Journal of Information Technology
ISSN 2041-3106

Volume: 1;
Issue: 1;
Start page: 17;
Date: 2009;
Original page

Keywords: DVS (Dynamic Voltage Scaling) | Low Power VLSI | MPEG.

ABSTRACT
In static voltage mechanism MPEG video player, takes more energy. In our paper dynamicvoltage/frequency scaling (DVS) mechanism is implemented and our player scales the voltage level for theframes of next interval based on decoding time prediction. The decoding time of a frame is predicted by thesize and the type of the frame. We implemented our mechanism by modifying a traditional MPEG1 decoder.Our experiments show that a significant amount of processor energy savings can be achieved while enhancingQoS of video playback.
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