Low power techniques for MP3 audio decoder using subband cut-off approach

Tsung Han Tsai, Chun Kai Wang, Chun Nan Liu

研究成果: 書貢獻/報告類型會議論文篇章同行評審

2 引文 斯高帕斯(Scopus)

摘要

In this paper low power techniques for MP3 audio decoder are used based on a phenomenon of zero-filled subbands. By our analysis, large part of subbands contains useless zero-valued data, which can be cut-off. We propose an effective architecture to gain incremental improvements in power consumption and computation complexity. In DWIMDCT block, the computational complexity can be reduced to 34% when we combine the subband cut-off technique and our proposed fast algorithm. In SIMDCT block of Synthesis filterbank, the same technique can be applied and the computational complexity can be reduced to 17%. This subband cut-off approach is simple and can be easily integrated with other designs.

原文???core.languages.en_GB???
主出版物標題SiPS 2005
主出版物子標題IEEE Workshop on Signal Processing Systems - Design and Implementation, Proceedings
頁面268-271
頁數4
DOIs
出版狀態已出版 - 2005
事件SiPS 2005: IEEE Workshop on Signal Processing Systems - Design and Implementation - Athens, Greece
持續時間: 2 11月 20054 11月 2005

出版系列

名字IEEE Workshop on Signal Processing Systems, SiPS: Design and Implementation
2005
ISSN(列印)1520-6130

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???event.eventtypes.event.conference???SiPS 2005: IEEE Workshop on Signal Processing Systems - Design and Implementation
國家/地區Greece
城市Athens
期間2/11/054/11/05

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