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Paper Abstract and Keywords
Presentation 2014-02-28 10:00
A proposal of close/distant talker discrimination based on kurtosis of linear prediction residual signals
Kohei Hayashida, Masato Nakayama, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.), Toshiharu Horiuchi, Tsuneo Kato (KDDI R&D Labs.) SP2013-107
Abstract (in Japanese) (See Japanese page) 
(in English) Desired/undesired speech discrimination is as important as speech/non-speech discrimination to achieve useful applications such as speech interfaces and teleconferencing systems. Conventional methods of voice activity detection utilize the directional information of sound sources to distinguish desired from undesired speech and have to utilize multiple microphones. Here, we assumed that the desired talkers would be close to the microphone, and we proposed a new method to discriminate close-talking speech from distant-talking speech with a single microphone based on the kurtosis of the linear prediction residual signals. The experimental results revealed that the proposed method could distinguish close-talking speech from distant-talking speech within a 10% equal error rate in ordinary reverberant environments with real-time processing.
Keyword (in Japanese) (See Japanese page) 
(in English) Close/distant talker discrimination / linear prediction residual signal / kurtosis / / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 452, SP2013-107, pp. 1-6, Feb. 2014.
Paper # SP2013-107 
Date of Issue 2014-02-21 (SP) 
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 2014-02-28 - 2014-02-28 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Tokushima 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Pattern recognition for time sequence, etc. 
Paper Information
Registration To SP 
Conference Code 2014-02-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A proposal of close/distant talker discrimination based on kurtosis of linear prediction residual signals 
Sub Title (in English)  
Keyword(1) Close/distant talker discrimination  
Keyword(2) linear prediction residual signal  
Keyword(3) kurtosis  
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1st Author's Name Kohei Hayashida  
1st Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
2nd Author's Name Masato Nakayama  
2nd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
3rd Author's Name Takanobu Nishiura  
3rd Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
4th Author's Name Yoichi Yamashita  
4th Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
5th Author's Name Toshiharu Horiuchi  
5th Author's Affiliation KDDI R&D Laboratories (KDDI R&D Labs.)
6th Author's Name Tsuneo Kato  
6th Author's Affiliation KDDI R&D Laboratories (KDDI R&D Labs.)
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Speaker Author-1 
Date Time 2014-02-28 10:00:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # SP2013-107 
Volume (vol) vol.113 
Number (no) no.452 
Page pp.1-6 
#Pages 6 
Date of Issue 2014-02-21 (SP) 

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