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A AAC-decoding, H.264 decoding, media processor with embedded forward-body-biasing and power-gating circuit in CMOS technology is proposed. Since all the components necessary for the scheme are simple MOS circuits requiring no extra supply voltages, they can be placed and routed by a commercial CAD tool. A data-mapping flip-flop was proposed as a high performance and low-power flip-flop. It is concluded that the power dissipation in H.264 720p 60fps decoding of 620mW at the process fast corner is the lowest among the processor-based solutions.