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Paper Abstract and Keywords
Presentation 2015-08-04 13:15
An Estimation Method for Two-to-One Forced Selection Intelligibility using the Articulation Index Band Correlation
Kazuhiro Kondo (Yamagata Univ.) EA2015-21
Abstract (in Japanese) (See Japanese page) 
(in English) We proposed and evaluated an estimation method for the forced selection Japanese Diagnostic Rhyme Test (DRT). The proposed measure takes into account the forced selection manner of the DRT from a pair of rhyming words. The objective distance measure used was based on the Articulation index Band Correlation (ABC). In this measure, the correlation of time-frequency patterns between the test word and the template word speech of the two words in the candidate word pair is calculated. The word with the higher correlation is chosen as the likely candidate word. The ratio of AI bands where higher correlation is shown for the candidate word vs. the total number of bands is calculated to quantify how well the test word matches the candidate word in the word pair. We estimated a logistic mapping function from this ratio to intelligibility scores using speech mixed with known noise. The trained mapping function was then used to estimate the intelligibility of speech mixed with unknown noise. This estimation was compared to estimation using the frequency-weighed segmental SNR, and was proven to be more accurate, with the correlation between estimated and estimated intelligibility over 0.93, and the root mean square below 0.14. Thus, we believe it will be possible to screen" the intelligibility in many of the noise conditions to be tested, and cut down on the scale of the subjective test needed.
Keyword (in Japanese) (See Japanese page) 
(in English) Speech intelligibility / Objective estimation / Diagnostic Rhyme Test / Articulation Band Index Correlation / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 169, EA2015-21, pp. 65-70, Aug. 2015.
Paper # EA2015-21 
Date of Issue 2015-07-27 (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)
Download PDF EA2015-21

Conference Information
Committee EA ASJ-H  
Conference Date 2015-08-03 - 2015-08-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ., Research Inst. of Electrical Communication 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Engineering/Electro Acoustics, Psychological and Physiological Acoustics, and Related Topics 
Paper Information
Registration To EA 
Conference Code 2015-08-EA-H 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Estimation Method for Two-to-One Forced Selection Intelligibility using the Articulation Index Band Correlation 
Sub Title (in English)  
Keyword(1) Speech intelligibility  
Keyword(2) Objective estimation  
Keyword(3) Diagnostic Rhyme Test  
Keyword(4) Articulation Band Index Correlation  
1st Author's Name Kazuhiro Kondo  
1st Author's Affiliation Yamagata University (Yamagata Univ.)
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Date Time 2015-08-04 13:15:00 
Presentation Time 30 
Registration for EA 
Paper # IEICE-EA2015-21 
Volume (vol) IEICE-115 
Number (no) no.169 
Page pp.65-70 
#Pages IEICE-6 
Date of Issue IEICE-EA-2015-07-27 

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