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The authors propose a general quality-power adaptation framework that controls the perceived video quality and the length of viewing time on battery-powered video receivers. The framework can be used for standalone video devices (e.g., DVD players and notebooks) as well as mobile receivers obtaining video signals from wireless networks (e.g., mobile TV and video streaming over WiMAX). Furthermore, the framework supports both live streams (e.g., live TV shows) and pre-encoded video streams (e.g., DVD movies).
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