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A VLSI implementation of dual AC-3 and MPEG-2 audio decoder

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5 Author(s)
Woo-Suk Ko ; Dept. of Electron. Eng., Yonsei Univ., Seoul, South Korea ; Sun-Kook Yoo ; Sung-Wook Park ; Joon-Seok Kim
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This paper presents a dual AC-3 and MPEG-2 audio decoder which can decode both bit-streams. MPEG-2 synthesis filtering is modified by the 32-point FFT to share the common data path with the AC-3's. The architecture of the decoder consists of a programmable DSP core and a hardwired common synthesis filter. The DSP core was designed suitable for audio processing. The common filter design adopts the suggested MPEG-2 modified synthesis filtering. The proposed system was synthesized with 0.6 μm technology and proven to be cost-effective

Published in:

IEEE Transactions on Consumer Electronics  (Volume:44 ,  Issue: 3 )