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VLSI implementation of portable MPEG-4 audio decoder

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5 Author(s)
Hashimoto, S. ; Dept. of Inf. & Comput. Sci., Osaka Univ., Japan ; Niwa, A. ; Okuhata, H. ; Onoye, T.
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VLSI implementation of an MPEG-4 audio decoder is described, which is dedicated to portable audio appliances. MPEG-4 audio surpasses conventional audio codec schemes in terms of sound quality and compression rate. Based on the results of sound quality evaluation, a low-power architecture is devised by means of frame-level pipeline and optimization of functional datapath. The proposed MPEG-4 audio decoder has been implemented with the use of 0.25 μm CMOS library, which integrates 30 k gates and dissipates 4.54 mW at 2.5 V supply

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ASIC/SOC Conference, 2000. Proceedings. 13th Annual IEEE International

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