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MPEG-4 simple profile video is being used as the video compression standard in mobile video communications. MPEG-4 video requires more computational power because of its high complexity. Currently, RISC cores are widely used in mobile applications because of their low power consumption. Design of fully standard-complaint MPEG-4 video encoder with real time performance on a RISC processor for embedded applications entails optimizations at all levels to the maximum extent possible. This paper describes in detail about the implementation of MPEG-4 simple profile video encoder on efficient RISC processor core requiring 50 Mega Cycles to encode QCIF resolution video at 15 frames per second with minimum processing power and memory requirements.
Date of Publication: Feb. 2003