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Paper Abstract and Keywords
Presentation 2018-03-19 13:00
[Poster Presentation] Acoustic properties of vowel produced under environments with different reberberation time
Rieko Kubo, Masato Akagi (JAIST) EA2017-108 SIP2017-117 SP2017-91
Abstract (in Japanese) (See Japanese page) 
(in English) In order to investigate speech
modifications under reverberant environments, and relationships between the
modifications and speech intelligibility in reverberant environments, acoustic analyses were performed for vowel parts produced by a male speaker in 4 reverberant environments. The results showed that F1 and F2 frequencies shift in addition to decrease/increase speech level, lengthening of duration depending on the reverberant environments. The F1 and F2 shifting showed different pattern by vowel type. It indicates that acoustic/articulatory features of each vowel became clearer. It is suggested that speech produced under reverberant environments is hyper-articulated speech (i.e., clear speech) with less coarticulation and steeper formant transitions which can contribute to speech intelligibility in reverberant environments.
Keyword (in Japanese) (See Japanese page) 
(in English) Speech intelligibility / Reverberation time / Coarticulation / Formant transition / Clear speech / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 517, SP2017-91, pp. 39-44, March 2018.
Paper # SP2017-91 
Date of Issue 2018-03-12 (EA, SIP, 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)
Download PDF EA2017-108 SIP2017-117 SP2017-91

Conference Information
Committee SIP EA SP MI  
Conference Date 2018-03-19 - 2018-03-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Speech, Engineering/Electro Acoustics, Signal Processing, and Related Topics [SIP, EA, SP]/ Medical Image Engineering, Analysis, Recognition, etc. [MI] 
Paper Information
Registration To SP 
Conference Code 2018-03-SIP-EA-SP-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Acoustic properties of vowel produced under environments with different reberberation time 
Sub Title (in English)  
Keyword(1) Speech intelligibility  
Keyword(2) Reverberation time  
Keyword(3) Coarticulation  
Keyword(4) Formant transition  
Keyword(5) Clear speech  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Rieko Kubo  
1st Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
2nd Author's Name Masato Akagi  
2nd Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
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Speaker Author-1 
Date Time 2018-03-19 13:00:00 
Presentation Time 90 minutes 
Registration for SP 
Paper # EA2017-108, SIP2017-117, SP2017-91 
Volume (vol) vol.117 
Number (no) no.515(EA), no.516(SIP), no.517(SP) 
Page pp.39-44 
#Pages 6 
Date of Issue 2018-03-12 (EA, SIP, SP) 

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