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Paper Abstract and Keywords
Presentation 2023-03-01 11:20
A Study on Selective Fixed-Filter ANC Using 2D-CNN with Sliding DCT input
Kenya Doi, Yoshinobu Kajikawa (KU) EA2022-113 SIP2022-157 SP2022-77
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a Selective Fixed filter Active Noise Control (SFANC) system using 2 Dimension Convolutional Neural Network (2D-CNN) with Sliding Discrete Cosine Transform (Sliding DCT) input. The proposed method speed up the switching of noise control filters in SFANC systems by using sliding DCT as the input preprocessing of noise signals to the CNN. Since the sliding DCT can be recursively converted to a frequency domain representation, it is expected to be faster than the short-time Fourier transform (STFT), which has been used for signal preprocessing in acoustic class classification. A similar technique is the Sliding Discrete Fourier Transform (Sliding DFT), but compared to DCT, it requires an additional operation of taking absolute values to convert real numbers to complex numbers. The classification accuracy of the CNN with
sliding DCT is comparable to that with spectrogram, and the preprocessing time required for noise control filter selection is about 0.0058 ms for the sliding DCT input SFANC, which is about 1/240 of the spectrogram input SFANC.
Keyword (in Japanese) (See Japanese page) 
(in English) ANC system / Feedfoward ANC / Fixed filter ANC / SFANC / Filtered-x NLMS Algorithm / CNN / Sliding DCT /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 387, EA2022-113, pp. 227-231, Feb. 2023.
Paper # EA2022-113 
Date of Issue 2023-02-21 (EA, SIP, SP) 
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 EA2022-113 SIP2022-157 SP2022-77

Conference Information
Committee SP IPSJ-SLP EA SIP  
Conference Date 2023-02-28 - 2023-03-01 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EA 
Conference Code 2023-02-SP-SLP-EA-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Selective Fixed-Filter ANC Using 2D-CNN with Sliding DCT input 
Sub Title (in English)  
Keyword(1) ANC system  
Keyword(2) Feedfoward ANC  
Keyword(3) Fixed filter ANC  
Keyword(4) SFANC  
Keyword(5) Filtered-x NLMS Algorithm  
Keyword(6) CNN  
Keyword(7) Sliding DCT  
Keyword(8)  
1st Author's Name Kenya Doi  
1st Author's Affiliation Kansai University (KU)
2nd Author's Name Yoshinobu Kajikawa  
2nd Author's Affiliation Kansai University (KU)
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Speaker Author-1 
Date Time 2023-03-01 11:20:00 
Presentation Time 20 minutes 
Registration for EA 
Paper # EA2022-113, SIP2022-157, SP2022-77 
Volume (vol) vol.122 
Number (no) no.387(EA), no.388(SIP), no.389(SP) 
Page pp.227-231 
#Pages 5 
Date of Issue 2023-02-21 (EA, SIP, SP) 

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