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Paper Abstract and Keywords
Presentation 2023-03-02 15:40
Sound Quality Improvement of Source Separation Signal by Binary Mask
Taiga Saito, Kenji Suyama (Tokyo Denki Univ.) CAS2022-122 CS2022-99
Abstract (in Japanese) (See Japanese page) 
(in English) A two-microphone source separation method using multiple complex weighted sum circuits (WSCs) has been proposed. However, it is difficult to completely suppress noise due to the substantial loss of nulls. Therefore, an adaptive filtering method has been proposed to remove residual noise in the separated signals by applying adaptive filtering at the latter stage of the WSC. In this study, we focus on the sparsity of speech energy in the "time-frequency" domain and apply a binary mask (BM) after WSC to improve sound quality. The effectiveness of the proposed method is verified through real-world experiments.
Keyword (in Japanese) (See Japanese page) 
(in English) microphone array / sound source separation / weighted sum circuit / sparsity / binary mask / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 396, CAS2022-122, pp. 150-154, March 2023.
Paper # CAS2022-122 
Date of Issue 2023-02-22 (CAS, CS) 
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 CAS2022-122 CS2022-99

Conference Information
Committee CAS CS  
Conference Date 2023-03-01 - 2023-03-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Kitakyushu International Conference Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network processor, Signal processing and circuits for communications, Wireless LAN / PAN, etc. 
Paper Information
Registration To CAS 
Conference Code 2023-03-CAS-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Sound Quality Improvement of Source Separation Signal by Binary Mask 
Sub Title (in English)  
Keyword(1) microphone array  
Keyword(2) sound source separation  
Keyword(3) weighted sum circuit  
Keyword(4) sparsity  
Keyword(5) binary mask  
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Keyword(7)  
Keyword(8)  
1st Author's Name Taiga Saito  
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 2023-03-02 15:40:00 
Presentation Time 25 minutes 
Registration for CAS 
Paper # CAS2022-122, CS2022-99 
Volume (vol) vol.122 
Number (no) no.396(CAS), no.397(CS) 
Page pp.150-154 
#Pages 5 
Date of Issue 2023-02-22 (CAS, CS) 

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