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Paper Abstract and Keywords
Presentation 2015-05-19 14:40
Effects of voice loopback on real-time speech rate converted conversations
Hiroto Saito, Hiroko Tokunaga, Eriko Hashimoto, Naoki Mukawa (Tokyo Denki Univ.) HCS2015-9 HIP2015-9
Abstract (in Japanese) (See Japanese page) 
(in English) For second language learners and elderly people who are hard of hearing, slower reproduced utterances can improve intelligibility taking advantage of longer cognitive time for them. Speech rate conversion that maintains vocal pitch is one of the promising techniques for supporting impaired hearings. However, problems still remains in real-time conversations such as utterance overlaps and unintentional silences occur particularly at turn-takings. These troubles are caused by the difficulty for speakers for estimating hearer’s actual listening end time and next speaker’s utterance begins due to the delay from speaker’s utterance end time. In order to solve the problems, we propose an insertion of speaker’s loopback voice for him/her in speech rate converting conversation system that enable the speaker to recognize hearer’s listening end time. From observations of three-party conversation experiments it was found that the speaker who had his/her own loopback voice made pauses prior his/her next speech and organizes his/her utterance style. Finally, we will discuss possible interface design methods of speech rate converted conversation based on the observed results.
Keyword (in Japanese) (See Japanese page) 
(in English) speech rate conversion / turn taking / three party conversation / / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 35, HCS2015-9, pp. 67-72, May 2015.
Paper # HCS2015-9 
Date of Issue 2015-05-12 (HCS, HIP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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)
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Conference Information
Committee HCS HIP HI-SIGCOASTER  
Conference Date 2015-05-19 - 2015-05-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Industry Support Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication Enhancing, Human Communications, and Human Information Processing 
Paper Information
Registration To HCS 
Conference Code 2015-05-HCS-HIP-SIGCE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effects of voice loopback on real-time speech rate converted conversations 
Sub Title (in English)  
Keyword(1) speech rate conversion  
Keyword(2) turn taking  
Keyword(3) three party conversation  
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1st Author's Name Hiroto Saito  
1st Author's Affiliation Tokyo Denki University (Tokyo Denki Univ.)
2nd Author's Name Hiroko Tokunaga  
2nd Author's Affiliation Tokyo Denki University (Tokyo Denki Univ.)
3rd Author's Name Eriko Hashimoto  
3rd Author's Affiliation Tokyo Denki University (Tokyo Denki Univ.)
4th Author's Name Naoki Mukawa  
4th Author's Affiliation Tokyo Denki University (Tokyo Denki Univ.)
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Speaker Author-1 
Date Time 2015-05-19 14:40:00 
Presentation Time 25 minutes 
Registration for HCS 
Paper # HCS2015-9, HIP2015-9 
Volume (vol) vol.115 
Number (no) no.35(HCS), no.36(HIP) 
Page pp.67-72 
#Pages
Date of Issue 2015-05-12 (HCS, HIP) 


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