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Paper Abstract and Keywords
Presentation 2018-03-19 13:00
[Poster Presentation] Intelligibility of speech with additive bubble noise and enhancement under hearing impairment simulation
Narumi Ohashi, Naoko Yomura, Katsuhiko Yamamoto (Wakayama Univ.), Shoko Araki, Keisuke Kinoshita, Tomohiro Nakatani (NTT), Toshio Irino (Wakayama Univ.) EA2017-116 SIP2017-125 SP2017-99
Abstract (in Japanese) (See Japanese page) 
(in English) Subjective experiments were performed to develop speech intelligibility (SI) prediction metrics for both hearing-impaired (HI) and normal hearing (NH) listeners. Listening test was performed with noisy speech sounds with additive bubble noise. Speech enhancement conditions were (1) unprocessed, (2) a spectral subtraction, and (3) a Wiener filtering. Normal hearing listeners participated in a set of experiments to listen either (1) direct sounds or (2) sounds processed by an HI simulator. Results showed that speech intelligibility with the HI-simulator condition was less than 20 percent even in the highest SNR. Confusion matrices revealed consonants with high-frequency components were largely confused with other consonants because the HI simulation reduced high-frequency components.
Keyword (in Japanese) (See Japanese page) 
(in English) speech enhancement / speech intelligibility / hearing impaired simulator / subjective evaluation / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 517, SP2017-99, pp. 87-92, March 2018.
Paper # SP2017-99 
Date of Issue 2018-03-12 (EA, SIP, SP) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EA2017-116 SIP2017-125 SP2017-99

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) Intelligibility of speech with additive bubble noise and enhancement under hearing impairment simulation 
Sub Title (in English)  
Keyword(1) speech enhancement  
Keyword(2) speech intelligibility  
Keyword(3) hearing impaired simulator  
Keyword(4) subjective evaluation  
1st Author's Name Narumi Ohashi  
1st Author's Affiliation Wakayama University (Wakayama Univ.)
2nd Author's Name Naoko Yomura  
2nd Author's Affiliation Wakayama University (Wakayama Univ.)
3rd Author's Name Katsuhiko Yamamoto  
3rd Author's Affiliation Wakayama University (Wakayama Univ.)
4th Author's Name Shoko Araki  
4th Author's Affiliation NTT Communication Science Laboratories (NTT)
5th Author's Name Keisuke Kinoshita  
5th Author's Affiliation NTT Communication Science Laboratories (NTT)
6th Author's Name Tomohiro Nakatani  
6th Author's Affiliation NTT Communication Science Laboratories (NTT)
7th Author's Name Toshio Irino  
7th Author's Affiliation Wakayama University (Wakayama Univ.)
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Date Time 2018-03-19 13:00:00 
Presentation Time 90 
Registration for SP 
Paper # IEICE-EA2017-116,IEICE-SIP2017-125,IEICE-SP2017-99 
Volume (vol) IEICE-117 
Number (no) no.515(EA), no.516(SIP), no.517(SP) 
Page pp.87-92 
#Pages IEICE-6 
Date of Issue IEICE-EA-2018-03-12,IEICE-SIP-2018-03-12,IEICE-SP-2018-03-12 

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