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Paper Abstract and Keywords
Presentation 2017-01-25 10:30
[Poster Presentation] A Investigation of Effect of Pinna Shape on Sound Field in Ear Canal under Ultrasonic Exposure
Masahito Takatsuka, Ayumu Osumi, Youichi Ito (Nihon Univ.) US2016-78
Abstract (in Japanese) (See Japanese page) 
(in English) In basic study of ultrasonic exposure, we have studied the sound filed distribution in a pseudo ear canal set up a mannequin head under the ultrasonic irradiation at the frequency 20 kHz – 40 kHz to estimate the sound pressure around the eardrum. Previous studies using dummy heads have revealed that there is a possibility of estimating the sound pressure in the vicinity of the ear drum from the peak value of the standing wave sound field formed in the ear canal. On the other hand, in order to put this estimation method into practical use, it is necessary to study the influence of individual differences in auricle shape on sound pressure near the ear drum.
In this report, we investigate the effect of individual difference of auricular shape on the sound pressure near ear drum using the silicone pseudo auricle made based on the actual auricle shape.
Keyword (in Japanese) (See Japanese page) 
(in English) Pseudo pinna / Pseudo ear canal / Exposure of ultrasound wave / Mannequin head / Ultrasonic wave / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 419, US2016-78, pp. 35-38, Jan. 2017.
Paper # US2016-78 
Date of Issue 2017-01-18 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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 US2016-78

Conference Information
Committee EA US  
Conference Date 2017-01-25 - 2017-01-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Doshisha Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonic and Underwater Acoustics, and Related Topics 
Paper Information
Registration To US 
Conference Code 2017-01-EA-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Investigation of Effect of Pinna Shape on Sound Field in Ear Canal under Ultrasonic Exposure 
Sub Title (in English)  
Keyword(1) Pseudo pinna  
Keyword(2) Pseudo ear canal  
Keyword(3) Exposure of ultrasound wave  
Keyword(4) Mannequin head  
Keyword(5) Ultrasonic wave  
Keyword(6)  
Keyword(7)  
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1st Author's Name Masahito Takatsuka  
1st Author's Affiliation Nihon University (Nihon Univ.)
2nd Author's Name Ayumu Osumi  
2nd Author's Affiliation Nihon University (Nihon Univ.)
3rd Author's Name Youichi Ito  
3rd Author's Affiliation Nihon University (Nihon Univ.)
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Speaker Author-1 
Date Time 2017-01-25 10:30:00 
Presentation Time 90 minutes 
Registration for US 
Paper # US2016-78 
Volume (vol) vol.116 
Number (no) no.419 
Page pp.35-38 
#Pages 4 
Date of Issue 2017-01-18 (US) 

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