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| Presentation | 2021-07-15 10:20 Substitution effect of frequency conversion method for filtered-x LMS algorithm applied to active sinusoidal noise control Kensaku Fujii (Kodaway Lab.), Mitsuji Muneyasu (Kansai Univ.), Yoshifumi Chisaki (CIT)  EA2021-3 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we verify the substitution effect of frequency conversion method for filtered-x LMS algorithm applied to active sinusoidal noise control. According to the first order filter expression of NLMS (Normalized Least Mean Square) algorithm, the filtered-x LMS (Least Mean Square) algorithm can be substituted by a kind of low pass filters. The frequency conversion method adjust the amplitudes of sine and cosine waves radiated from a loudspeaker, by using the outputs of the low pass filters to which the products of the error microphone output and the reference sine and cosine waves are applied. In this paper, we show the advantages of the frequency conversion method and then demonstrate using computer simulation that the frequency conversion method successfully works. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | sinusoidal noise / low pass filter / first order recursive type / frequency conversion / simultaneous equations / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 112, EA2021-3, pp. 10-17, July 2021. | |
| Paper # | EA2021-3 | |
| Date of Issue | 2021-07-08 (EA) | |
| 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) | |
| Download PDF | EA2021-3 |
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| Conference Information | |
| Committee | EA ASJ-H |
| Conference Date | 2021-07-15 - 2021-07-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Engineering/Electro Acoustics, Psychological and Physiological Acoustics, Speech, Musical Acoustics, Education in Acoustics, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2021-07-EA-H |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Substitution effect of frequency conversion method for filtered-x LMS algorithm applied to active sinusoidal noise control |
| Sub Title (in English) | |
| Keyword(1) | sinusoidal noise |
| Keyword(2) | low pass filter |
| Keyword(3) | first order recursive type |
| Keyword(4) | frequency conversion |
| Keyword(5) | simultaneous equations |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kensaku Fujii |
| 1st Author's Affiliation | Kodaway Laboratory (Kodaway Lab.) |
| 2nd Author's Name | Mitsuji Muneyasu |
| 2nd Author's Affiliation | Kansai University (Kansai Univ.) |
| 3rd Author's Name | Yoshifumi Chisaki |
| 3rd Author's Affiliation | Chiba Institute of Technology (CIT) |
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| Speaker | Author-1 |
| Date Time | 2021-07-15 10:20:00 |
| Presentation Time | 25 minutes |
| Registration for | EA |
| Paper # | EA2021-3 |
| Volume (vol) | vol.121 |
| Number (no) | no.112 |
| Page | pp.10-17 |
| #Pages | 8 |
| Date of Issue | 2021-07-08 (EA) |
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