Modified MPEG-2 audio decoding scheme based on it's low-cost fast algorithm and efficient data scheduling

Tsung Han Tsai; Liang Gee Chen; Hao Chieh Chang; Sheng Chieh Huang

Modified MPEG-2 audio decoding scheme based on it's low-cost fast algorithm and efficient data scheduling

Tsung Han Tsai, Liang Gee Chen, Hao Chieh Chang, Sheng Chieh Huang

電機工程學系

研究成果: 雜誌貢獻 › 會議論文 › 同行評審

摘要

Degrouping is the key component in MPEG Layer II audio decoding. It mainly contains the arithmetic operations of division and modulo, which requires lots of hardware and computation time. In this paper, we propose a novel degrouping algorithm with a low complexity design concept. By using mode selection and iterative decomposition, only the addition and subtraction are needed. The elimination of the multiplier, divider and ROM table can therefore extremely saves a lot of chip area, but still keeps the high efficiency without loss of any accuracy.

原文	???core.languages.en_GB???
頁（從 - 到）	V-530-V-533
期刊	Proceedings - IEEE International Symposium on Circuits and Systems
卷	5
出版狀態	已出版 - 1998
事件	Proceedings of the 1998 IEEE International Symposium on Circuits and Systems, ISCAS. Part 5 (of 6) - Monterey, CA, USA 持續時間: 31 5月 1998 → 3 6月 1998

引用此

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AU - Chang, Hao Chieh

AU - Huang, Sheng Chieh

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Y1 - 1998

N2 - Degrouping is the key component in MPEG Layer II audio decoding. It mainly contains the arithmetic operations of division and modulo, which requires lots of hardware and computation time. In this paper, we propose a novel degrouping algorithm with a low complexity design concept. By using mode selection and iterative decomposition, only the addition and subtraction are needed. The elimination of the multiplier, divider and ROM table can therefore extremely saves a lot of chip area, but still keeps the high efficiency without loss of any accuracy.

AB - Degrouping is the key component in MPEG Layer II audio decoding. It mainly contains the arithmetic operations of division and modulo, which requires lots of hardware and computation time. In this paper, we propose a novel degrouping algorithm with a low complexity design concept. By using mode selection and iterative decomposition, only the addition and subtraction are needed. The elimination of the multiplier, divider and ROM table can therefore extremely saves a lot of chip area, but still keeps the high efficiency without loss of any accuracy.

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JO - Proceedings - IEEE International Symposium on Circuits and Systems

JF - Proceedings - IEEE International Symposium on Circuits and Systems

T2 - Proceedings of the 1998 IEEE International Symposium on Circuits and Systems, ISCAS. Part 5 (of 6)

Y2 - 31 May 1998 through 3 June 1998

ER -

Modified MPEG-2 audio decoding scheme based on it's low-cost fast algorithm and efficient data scheduling

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