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Paper Abstract and Keywords
Presentation 2008-07-24 13:00
Speech Noise Reduction System Using MDFT Pair -- Automatic setting of Noise Subtraction Coefficient --
Yuuki Minato, Isao Nakanishi (Tottori Univ.) SIP2008-68 WBS2008-6
Abstract (in Japanese) (See Japanese page) 
(in English) We have proposed the noise reduction system using MDFT pair. An input spectrum and a noise spectrum are detected in real-time and then noise reduction is achieved by subtracting the detected noise spectrum from the input one. This system requires the noise subtraction coefficient in order to reduce the difference between the detected noise level and its true one. In the conventional system, it was set constant empirically. In this paper, we propose an automatic setting method of the noise subtraction coefficient. The effectiveness of the proposed method is confirmed through computer simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) Speech Noise Reduction / Signal Level Detector / Noise Level Detector / Noise Subtraction Coefficient / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 163, SIP2008-68, pp. 1-6, July 2008.
Paper # SIP2008-68 
Date of Issue 2008-07-17 (SIP, WBS) 
ISSN Print edition: ISSN 0913-5685    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 SIP2008-68 WBS2008-6

Conference Information
Committee SIP WBS  
Conference Date 2008-07-24 - 2008-07-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIP 
Conference Code 2008-07-SIP-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Speech Noise Reduction System Using MDFT Pair 
Sub Title (in English) Automatic setting of Noise Subtraction Coefficient 
Keyword(1) Speech Noise Reduction  
Keyword(2) Signal Level Detector  
Keyword(3) Noise Level Detector  
Keyword(4) Noise Subtraction Coefficient  
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1st Author's Name Yuuki Minato  
1st Author's Affiliation Tottori University (Tottori Univ.)
2nd Author's Name Isao Nakanishi  
2nd Author's Affiliation Tottori University (Tottori Univ.)
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Speaker Author-1 
Date Time 2008-07-24 13:00:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # SIP2008-68, WBS2008-6 
Volume (vol) vol.108 
Number (no) no.163(SIP), no.165(WBS) 
Page pp.1-6 
#Pages 6 
Date of Issue 2008-07-17 (SIP, WBS) 

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