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Paper Abstract and Keywords
Presentation 2024-02-29 16:20
Residual Noise Reduction Based on Sound Source Signal Independence
Kai Furusawa, Kenji Suyama (Tokyo Denki Univ.) EA2023-90 SIP2023-137 SP2023-72
Abstract (in Japanese) (See Japanese page) 
(in English) We have developed a method based on the multiplication of multiple weighted sum circuits output as a directionality forming circuit. This method has high suppression performance in real-world applications. However, a perfect suppression can not be confirmed because the sound source signal propagates in a spatially spread distribution. Therefore, we propose
to improve the suppression performance using post-processing of the directionality forming circuit. The proposed method is based on the statistical independence of the circuit outputs to reduce the residual noise. The effectiveness of the proposed method is demonstrated through real-world experimental results.
Keyword (in Japanese) (See Japanese page) 
(in English) spatial signal processing / directivity / weighted sum circuit / frequency domain ICA / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 401, EA2023-90, pp. 174-179, Feb. 2024.
Paper # EA2023-90 
Date of Issue 2024-02-22 (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 EA2023-90 SIP2023-137 SP2023-72

Conference Information
Committee SIP SP EA IPSJ-SLP  
Conference Date 2024-02-29 - 2024-03-01 
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 2024-02-SIP-SP-EA-SLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Residual Noise Reduction Based on Sound Source Signal Independence 
Sub Title (in English)  
Keyword(1) spatial signal processing  
Keyword(2) directivity  
Keyword(3) weighted sum circuit  
Keyword(4) frequency domain ICA  
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1st Author's Name Kai Furusawa  
1st Author's Affiliation Tokyo Denki University (Tokyo Denki Univ.)
2nd Author's Name Kenji Suyama  
2nd Author's Affiliation Tokyo Denki University (Tokyo Denki Univ.)
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Speaker Author-1 
Date Time 2024-02-29 16:20:00 
Presentation Time 60 minutes 
Registration for EA 
Paper # EA2023-90, SIP2023-137, SP2023-72 
Volume (vol) vol.123 
Number (no) no.401(EA), no.402(SIP), no.403(SP) 
Page pp.174-179 
#Pages 6 
Date of Issue 2024-02-22 (EA, SIP, SP) 

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