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Paper Abstract and Keywords
Presentation 2021-03-03 14:05
[Poster Presentation] Comparison of speech intelligibility results between laboratory and crowd-sourcing experiments
Ayako Yamamoto, Toshio Irino (Wakayama Univ.), Kenichi Arai, Shoko Araki, Atunori Ogawa, Keisuke Kinoshita, Tomohiro Nakatani (NTT) EA2020-73 SIP2020-104 SP2020-38
Abstract (in Japanese) (See Japanese page) 
(in English) Many subjective experiments have been performed to develop objective speech intelligibility measure. But COVID-19 has made it extremely difficult to conduct experiments in a laboratory. One of solutions is to perform remote testing by using crowd sourcing. It is not, however, clear whether the results are entirely reliable because we cannot control their listening conditions. In this study, we compared speech intelligibility results obtained by remote testing and two laboratory experiments. The results showed that the average and the standard deviation of speech reception threshold (SRT) of the remote testing were greater than those of the laboratory experiments. But the variation of the SRTs across the speech enhancement conditions were very similar between them. It implies that results of remote testing may be usable to develop the objective measure as well as those of laboratory experiments. We also show data reduction based on the practice score slightly improves the SRT values. The SRT prediction using the stepwise approximation with the generalized linear model extracted the practice score as solely correlated explanatory variable. It seems a good criterion for data selection although other factors should be investigated more.
Keyword (in Japanese) (See Japanese page) 
(in English) speech Intelligibility / subjective evaluation / objective index / remote testing / crowd sourcing / reliability / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 399, SP2020-38, pp. 79-84, March 2021.
Paper # SP2020-38 
Date of Issue 2021-02-24 (EA, SIP, SP) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 EA2020-73 SIP2020-104 SP2020-38

Conference Information
Committee EA US SP SIP IPSJ-SLP  
Conference Date 2021-03-03 - 2021-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Speech, Engineering/Electro Acoustics, Signal Processing, Ultrasonics, and Related Topics 
Paper Information
Registration To SP 
Conference Code 2021-03-EA-US-SP-SIP-SLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Comparison of speech intelligibility results between laboratory and crowd-sourcing experiments 
Sub Title (in English)  
Keyword(1) speech Intelligibility  
Keyword(2) subjective evaluation  
Keyword(3) objective index  
Keyword(4) remote testing  
Keyword(5) crowd sourcing  
Keyword(6) reliability  
Keyword(7)  
Keyword(8)  
1st Author's Name Ayako Yamamoto  
1st Author's Affiliation Wakayama University (Wakayama Univ.)
2nd Author's Name Toshio Irino  
2nd Author's Affiliation Wakayama University (Wakayama Univ.)
3rd Author's Name Kenichi Arai  
3rd Author's Affiliation NTT communication science laboratory (NTT)
4th Author's Name Shoko Araki  
4th Author's Affiliation NTT communication science laboratory (NTT)
5th Author's Name Atunori Ogawa  
5th Author's Affiliation NTT communication science laboratory (NTT)
6th Author's Name Keisuke Kinoshita  
6th Author's Affiliation NTT communication science laboratory (NTT)
7th Author's Name Tomohiro Nakatani  
7th Author's Affiliation NTT communication science laboratory (NTT)
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Speaker Author-1 
Date Time 2021-03-03 14:05:00 
Presentation Time 90 minutes 
Registration for SP 
Paper # EA2020-73, SIP2020-104, SP2020-38 
Volume (vol) vol.120 
Number (no) no.397(EA), no.398(SIP), no.399(SP) 
Page pp.79-84 
#Pages 6 
Date of Issue 2021-02-24 (EA, SIP, SP) 

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