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This paper proposes a specialized DSP architecture and their instructions, which efficiently support MPEG-2/4 AAC high-quality audio algorithms. The proposed architecture is specially designed and optimized for the IMDCT (inverse modified discrete cosine transform), Huffman decoding, etc. Performance comparisons show significant improvement compared with(More)
This paper proposes a bit manipulation accelerator (BMA) having application specific instructions, which efficiently supports scrambling, convolutional encoding, puncturing, and interleaving. Conventional DSPs cannot effectively perform bit manipulation functions since they have multiply accumulate (MAC) oriented data paths and word-based functions.(More)
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