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Proceedings Paper

Power consumption analysis for video coding algorithms in embedded multimedia systems
Author(s): Yu Hu; Qing Li; C.-C. Jay Kuo
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Paper Abstract

The power consumption for the battery-supplied DSP-embedded multimedia systems based on a test platform, i.e. TI C64x, is analyzed in this research. We focus on the behavior of some frequently used compress/decompress functional modules. In particular, a MPEG-4 simple-profile decoder consisting of these modules is evaluated at the highest compiler optimization level so as to understand power allocation in embedded multimedia systems. Two DCT schemes are examined to find out a better power behavior. The integer DCT can reach 47% power saving as compared with an implementation of the float DCT. Overall, our studies provide a better understanding of the system-level power modeling and consumption estimation for embedded multimedia applications, and suggest some optimization methods.

Paper Details

Date Published: 25 October 2004
PDF: 12 pages
Proc. SPIE 5600, Multimedia Systems and Applications VII, (25 October 2004); doi: 10.1117/12.570710
Show Author Affiliations
Yu Hu, Univ. of Southern California (United States)
Qing Li, Univ. of Southern California (United States)
C.-C. Jay Kuo, Univ. of Southern California (United States)


Published in SPIE Proceedings Vol. 5600:
Multimedia Systems and Applications VII
Chang Wen Chen; C.-C. Jay Kuo; Anthony Vetro, Editor(s)

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