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Paper Abstract and Keywords
Presentation 2015-08-04 14:15
Quality assessment of bootstrap masker for speech masking systems
Yosuke Kobayashi (NIT, Miyakonojo), Kazuhiro Kondo (Yamagata Univ.) EA2015-23
Abstract (in Japanese) (See Japanese page) 
(in English) Currently, speech masking systems make use of pre-recorded speech signals to generate maskers. We have applied the bootstrap method used in machine learning techniques, and generated a masker as if many speech samples from a small amount of speech is available. We tested the proposed masker using two subjective indexes. We compared the bootstrap type online masker (BS), the ring buffer addition type online masker (AD) and 3 types of pre-recorded maskers. BS masker was found to be significantly higher than others, especially at the Target to Masker Ratio (TMR) of 5 dB. Next, we compared the BS and AD masker for speech intelligibility. As a result, the intelligibility reduction of the BS type masker was 0.39 points lower than the AD type masker at TMR 0 dB.
Keyword (in Japanese) (See Japanese page) 
(in English) speech privacy / masker generation / listening difficulty / annoyance / intelligibility / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 169, EA2015-23, pp. 77-82, Aug. 2015.
Paper # EA2015-23 
Date of Issue 2015-07-27 (EA) 
ISSN Print edition: ISSN 0913-5685    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 EA2015-23

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) Quality assessment of bootstrap masker for speech masking systems 
Sub Title (in English)  
Keyword(1) speech privacy  
Keyword(2) masker generation  
Keyword(3) listening difficulty  
Keyword(4) annoyance  
Keyword(5) intelligibility  
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1st Author's Name Yosuke Kobayashi  
1st Author's Affiliation National Institute of Technoligy, Miyakonojo College (NIT, Miyakonojo)
2nd Author's Name Kazuhiro Kondo  
2nd Author's Affiliation Yamagata University (Yamagata Univ.)
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Speaker Author-1 
Date Time 2015-08-04 14:15:00 
Presentation Time 30 minutes 
Registration for EA 
Paper # EA2015-23 
Volume (vol) vol.115 
Number (no) no.169 
Page pp.77-82 
#Pages
Date of Issue 2015-07-27 (EA) 


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