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Paper Abstract and Keywords
Presentation 2017-12-21 12:50
[Poster Presentation] An Evaluation of Speech Waveform Modification Methods towards Improvement of Speech Intelligibility in Noisy Environment
Tomohiro Takeyama, Kazuhiro Kobayashi, Tomoki Toda, Kazuya Takeda (Nagoya Univ.) SP2017-57
Abstract (in Japanese) (See Japanese page) 
(in English) In this research, in order to improve speech intelligibility for a listener under the noisy environment, we propose a technique to modify source speech based on a speech processing.
To improve the speech intelligibility, spectral shaping and dynamic range compression (SSDRC) has been proposed.
Although this technique makes it possible to significantly improve the speech intelligibility of the speech in the noisy environment, various problems such as low flexibility of the spectral control and causing bad effect of voice timbre still remains.
In this research, we focus on the lombard speech, has higher speech intelligibility compared to normal speech.
We propose a technique to convert the normal speech into the lombard speech based on voice conversion based on direct waveform modification.
Subjective experimental evaluation demonstrated that the proposed method is superior to the conventional method in speaker similarity, though the proposed method is inferior to the conventional method in terms of the speech quality and speech intelligibility.
Keyword (in Japanese) (See Japanese page) 
(in English) Speech intelligibility / Lombard speech / Statistical Waveform Conversion / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 368, SP2017-57, pp. 11-16, Dec. 2017.
Paper # SP2017-57 
Date of Issue 2017-12-14 (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)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF SP2017-57

Conference Information
Committee NLC IPSJ-NL SP IPSJ-SLP  
Conference Date 2017-12-20 - 2017-12-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Waseda Univ. Green Computing Systems Research Organization 
Topics (in Japanese) (See Japanese page) 
Topics (in English) The 4th Natural Language Processing Symposium & The 19th Spoken Language Symposium 
Paper Information
Registration To SP 
Conference Code 2017-12-NLC-NL-SP-SLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Evaluation of Speech Waveform Modification Methods towards Improvement of Speech Intelligibility in Noisy Environment 
Sub Title (in English)  
Keyword(1) Speech intelligibility  
Keyword(2) Lombard speech  
Keyword(3) Statistical Waveform Conversion  
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1st Author's Name Tomohiro Takeyama  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Kazuhiro Kobayashi  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Tomoki Toda  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Kazuya Takeda  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2017-12-21 12:50:00 
Presentation Time 90 minutes 
Registration for SP 
Paper # SP2017-57 
Volume (vol) vol.117 
Number (no) no.368 
Page pp.11-16 
#Pages
Date of Issue 2017-12-14 (SP) 


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