Paper Abstract and Keywords |
Presentation |
2021-10-14 10:25
Performance Evaluation of All-Pass Fractional Delay Digital Filters under Coefficient Quantization Shunsuke Koshita (Hachinohe Inst. of Tech.) CAS2021-18 NLP2021-16 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
In this paper, performance of IIR fractional delay digital filters given by all-pass transfer functions is evaluated in consideration of quantization effects of filter coefficients. In digital filters, characteristic degradation caused by coefficient quantization depends on filter structures. Hence, in this paper, fractional delay digital filters are realized using standard filter structures such as direct-form structure and lattice structure, and each filter coefficient is quantized to finite bit precision. Performance of fractional delay digital filters given in this way is evaluated in terms of magnitude response and group delay response. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
fractional delay digital filter / all-pass / group delay / coefficient quantization / filter structure / / / |
Reference Info. |
IEICE Tech. Rep., vol. 121, no. 196, CAS2021-18, pp. 7-11, Oct. 2021. |
Paper # |
CAS2021-18 |
Date of Issue |
2021-10-07 (CAS, NLP) |
ISSN |
Online edition: ISSN 2432-6380 |
Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
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CAS2021-18 NLP2021-16 |
Conference Information |
Committee |
CAS NLP |
Conference Date |
2021-10-14 - 2021-10-15 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Online |
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(See Japanese page) |
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Paper Information |
Registration To |
CAS |
Conference Code |
2021-10-CAS-NLP |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Performance Evaluation of All-Pass Fractional Delay Digital Filters under Coefficient Quantization |
Sub Title (in English) |
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Keyword(1) |
fractional delay digital filter |
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all-pass |
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group delay |
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coefficient quantization |
Keyword(5) |
filter structure |
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1st Author's Name |
Shunsuke Koshita |
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Hachinohe Institute of Technology (Hachinohe Inst. of Tech.) |
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Speaker |
Author-1 |
Date Time |
2021-10-14 10:25:00 |
Presentation Time |
25 minutes |
Registration for |
CAS |
Paper # |
CAS2021-18, NLP2021-16 |
Volume (vol) |
vol.121 |
Number (no) |
no.196(CAS), no.197(NLP) |
Page |
pp.7-11 |
#Pages |
5 |
Date of Issue |
2021-10-07 (CAS, NLP) |
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