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Paper Abstract and Keywords
Presentation
Evaluation of speaker verification with NAM segments using unknown speakers
Hideki Okamoto, Mariko Kojima (NAIST), Tomoko Matsui (ISM), Hiromichi Kawanami, Hiroshi Saruwatari, Kiyohiro Shikano (NAIST) SP2007-37
Abstract (in Japanese) (See Japanese page) 
(in English) We investigated a speaker verification method that uses non-audible murmur (NAM) segments using newly collected data and obtained several findings that will be useful when speaker verification systems are made in practice. NAM is recorded using a special microphone placed on the surface of the body, so it includes almost no external noise and is hard for other people to hear. By utilizing these properties, we have already reported a text-dependent method using NAM segments that can use a keyword phrase safely. This paper extends the examination with newly collected data consisting of NAM uttered by 18 male and 9 female imposter speakers and by 18 male and 10 female customer speakers. Experiments with various numbers of training utterances and sessions show that it is effective to use data recorded in multiple sessions. We also investigated the minimum number of training utterances needed in our method.
Keyword (in Japanese) (See Japanese page) 
(in English) speaker recognition / speaker verification / non-audible murmur / support vector machine / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 165, SP2007-37, pp. 79-84, July 2007.
Paper # SP2007-37 
Date of Issue  
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)
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Conference Information
Committee SP  
Conference Date 2007-07-26 - 2007-07-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Toyama Prefectural University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Speech Production, Speech Perception, Hearing and Speech, etc. 
Paper Information
Registration To SP 
Conference Code 2007-07-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of speaker verification with NAM segments using unknown speakers 
Sub Title (in English)  
Keyword(1) speaker recognition  
Keyword(2) speaker verification  
Keyword(3) non-audible murmur  
Keyword(4) support vector machine  
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1st Author's Name Hideki Okamoto  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Mariko Kojima  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Tomoko Matsui  
3rd Author's Affiliation The Institute of Statistical Mathematics (ISM)
4th Author's Name Hiromichi Kawanami  
4th Author's Affiliation Nara Institute of Science and Technology (NAIST)
5th Author's Name Hiroshi Saruwatari  
5th Author's Affiliation Nara Institute of Science and Technology (NAIST)
6th Author's Name Kiyohiro Shikano  
6th Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Date Time  
Presentation Time minutes 
Registration for SP 
Paper # SP2007-37 
Volume (vol) vol.107 
Number (no) no.165 
Page pp.79-84 
#Pages 6 
Date of Issue  

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