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Paper Abstract and Keywords
Presentation 2017-05-23 10:25
On a wind noise countermeasure for bicycle Augmented Reality Audio systems
Toya Kitagawa, Kazuhiro Kondo (Yamagata Univ) IT2017-9 EMM2017-9
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a speech navigation system using augmented acoustic reality for bicycle. For that, an audio presentation device such as an earphone is necessary, but blocking the ears blocks the environmental sound. This leads to the risk of not being able to notice approaching cars and the like. Therefore, a microphone and a earphone are integrated in to a hear-through earphone which transparently presents ambient environmental sound. In using this, there is a problem that not only environmental sound but also wind noise is acquired, so it is difficult to hear navigation sounds and environmental sounds. On the other hand, wind noise reduction methods have been proposed in previous research. In this research, various noise reduction methods under conditions actually used in real time on the bicycle are systematically evaluated and compared, and the optimum wind noise countermeasure is examined. Therefore, the effect of wind noise reduction by the wind noise reduction method was evaluated in terms of the intelligibility of the augmented navigation voice. In addition, we evaluated the influence on the environmental sound by the wind noise reduction method based on the environmental sound direction perception accuracy. As a result, Wiener itaration filter was found to be the most effective for wind noise reduction, but the use of high pass filter and windshield is also a well-balanced method.
Keyword (in Japanese) (See Japanese page) 
(in English) Audio Augmented Reality / Wind noise / Environmental sound / Speech enhancement filter / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 40, EMM2017-9, pp. 49-54, May 2017.
Paper # EMM2017-9 
Date of Issue 2017-05-15 (IT, EMM) 
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)
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Conference Information
Committee EMM IT  
Conference Date 2017-05-22 - 2017-05-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Yamagata University(Yonezawa Campus) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Information Security, Information Theory, Information Hiding, etc. 
Paper Information
Registration To EMM 
Conference Code 2017-05-EMM-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On a wind noise countermeasure for bicycle Augmented Reality Audio systems 
Sub Title (in English)  
Keyword(1) Audio Augmented Reality  
Keyword(2) Wind noise  
Keyword(3) Environmental sound  
Keyword(4) Speech enhancement filter  
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1st Author's Name Toya Kitagawa  
1st Author's Affiliation Yamagata University (Yamagata Univ)
2nd Author's Name Kazuhiro Kondo  
2nd Author's Affiliation Yamagata University (Yamagata Univ)
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Speaker Author-1 
Date Time 2017-05-23 10:25:00 
Presentation Time 25 minutes 
Registration for EMM 
Paper # IT2017-9, EMM2017-9 
Volume (vol) vol.117 
Number (no) no.39(IT), no.40(EMM) 
Page pp.49-54 
#Pages
Date of Issue 2017-05-15 (IT, EMM) 


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