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Paper Abstract and Keywords
Presentation 2018-02-15 14:30
The influence that a quality change of the steady noise environment gives for Lombard effect
Wataru Saito, Masanori Akita, Yoichi Midorikawa (Oita Univ.) EA2017-93
Abstract (in Japanese) (See Japanese page) 
(in English) We measured the shift of the formant frequencies of Japanese 5 vowels under the noisy environment to detect the quantity of the Lombard effect. We report the relation between Lombard effect and quality of the noise or level of the noise. Former experiments showed that not only the volume of the noise but also quality of the noisy environment affect the quantity of the Lombard effect. Previous paper showed only the results of the limited examinee and noisy environment. In this report, we increased examinees and a kind of the noise environment and carried out an additional experiment. We obtained the pentagon by the distribution of the first formant and the second formant. And we define the quantity of the Lombard effect using the centroid of this pentagon. Experimental results of the change of the Lombard effect by the change of environment are shown.
Keyword (in Japanese) (See Japanese page) 
(in English) Noisy environment / Colored noise / Lombard effect / Formant / Emotional changes / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 430, EA2017-93, pp. 1-6, Feb. 2018.
Paper # EA2017-93 
Date of Issue 2018-02-08 (EA) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 EA  
Conference Date 2018-02-15 - 2018-02-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Pref. Univ. Hiroshima 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General topics 
Paper Information
Registration To EA 
Conference Code 2018-02-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The influence that a quality change of the steady noise environment gives for Lombard effect 
Sub Title (in English)  
Keyword(1) Noisy environment  
Keyword(2) Colored noise  
Keyword(3) Lombard effect  
Keyword(4) Formant  
Keyword(5) Emotional changes  
1st Author's Name Wataru Saito  
1st Author's Affiliation Oita University (Oita Univ.)
2nd Author's Name Masanori Akita  
2nd Author's Affiliation Oita University (Oita Univ.)
3rd Author's Name Yoichi Midorikawa  
3rd Author's Affiliation Oita University (Oita Univ.)
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Date Time 2018-02-15 14:30:00 
Presentation Time 30 
Registration for EA 
Paper # IEICE-EA2017-93 
Volume (vol) IEICE-117 
Number (no) no.430 
Page pp.1-6 
#Pages IEICE-6 
Date of Issue IEICE-EA-2018-02-08 

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