Memory Access Estimation of Filter Bank Implementation on Different DSP Architectures
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概要
- 論文の詳細を見る
A unified polyphase representation of analysis and synthesis filter banks is introduced in this paper, and then the efficient implementation on digital signal processors (DSP) is investigated. Especially, the number of memory accesses, power consumption, processing accuracy and the required instruction cycles are discussed. Firstly, a unified representation is given, and then two types of procedures, SIMO system-based and MISO system-based procedures, are shown, where SIMO and MISO are abbreviations for single-input/multiple-output and multiple-input/single-output, respectively. These procedures are compared to each other. It is shown that the number of data load in SIMO system-based procedure is a half of that in MISO system-based procedure for two-channel filter banks. The implementation of M-channel filter banks is also discussed.
- 2001-08-01
著者
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Muramatsu S
Department Of Electrical And Electronic Engineering Niigata University
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Muramatsu Shogo
Niigata Univ. Niigata Jpn
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MIZUTANI Naoki
Kodak Digital Product Center, Japan Ltd.
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Mizutani Naoki
The Authors Are With The Department Of Electrical Engineering Niigata University
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Kikuchi Hisakazu
Dept. Of Electrical And Electronic Eng. Niigata University
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Kikuchi Hisakazu
The Author Is With The Faculty Of Engineering Niigata University
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MURAMATSU Shogo
The authors are with the Department of Electrical Engineering, Niigata University
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