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Paper Abstract and Keywords
Presentation 2022-01-25 13:55
Acoustic measurement around the pinna in the ultrasonic region using a dummy head
Koki Harusawa (KAIT), Yumi Inamura (SPIC Co.,Ltd.), Masaaki Hiroe (Kobayasi Inst. of Phys. Res.), Hideyuki Hasegawa (Toyama Univ.), Kentaro Nakamura (Tokyo Tech), Sho Kanzaki (Keio Univ.), Shogo Kiryu (TCU), Mari Ueda (KAIT) US2021-62
Abstract (in Japanese) (See Japanese page) 
(in English) In the measurement of hearing thresholds at very high frequency region used a loudspeaker, the measured data may contain some errors because sound pressure level reaching the ear are seriously affected by a small movement of the head. To provide assurance for the accuracy of hearing threshold, it makes clear the relationship between the SPL and turning of the head. Therefore, we measured the SPL close to pinna at all horizontal angles in the frequency range from 10 kHz to 22 kHz. We used two kinds of HATS (Dummy Head) with different shapes of head and ear in the measurement. From comparisons between the results on two kinds of HATS, we confirmed that the SPL reaching the ear was not only affected by incidence direction of sound, but also head and ear shapes.
Keyword (in Japanese) (See Japanese page) 
(in English) VHF Sounds / Dummy head / Sound pressure distribution / Hearing threshold measurement / / HRTF / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 348, US2021-62, pp. 22-27, Jan. 2022.
Paper # US2021-62 
Date of Issue 2022-01-18 (US) 
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)
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Conference Information
Committee US  
Conference Date 2022-01-25 - 2022-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) High-intensity ultrasound, Ultrasonics, etc. 
Paper Information
Registration To US 
Conference Code 2022-01-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Acoustic measurement around the pinna in the ultrasonic region using a dummy head 
Sub Title (in English)  
Keyword(1) VHF Sounds  
Keyword(2) Dummy head  
Keyword(3) Sound pressure distribution  
Keyword(4) Hearing threshold measurement  
Keyword(6) HRTF  
1st Author's Name Koki Harusawa  
1st Author's Affiliation Kanagawa Institute of Technology (KAIT)
2nd Author's Name Yumi Inamura  
2nd Author's Affiliation SPIC Company, Limited (SPIC Co.,Ltd.)
3rd Author's Name Masaaki Hiroe  
3rd Author's Affiliation Kobayasi Institute of Physical Research (Kobayasi Inst. of Phys. Res.)
4th Author's Name Hideyuki Hasegawa  
4th Author's Affiliation University of Toyama (Toyama Univ.)
5th Author's Name Kentaro Nakamura  
5th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
6th Author's Name Sho Kanzaki  
6th Author's Affiliation Keio University (Keio Univ.)
7th Author's Name Shogo Kiryu  
7th Author's Affiliation Tokyo City University (TCU)
8th Author's Name Mari Ueda  
8th Author's Affiliation Kanagawa Institute of Technology (KAIT)
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Speaker Author-1 
Date Time 2022-01-25 13:55:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2021-62 
Volume (vol) vol.121 
Number (no) no.348 
Page pp.22-27 
Date of Issue 2022-01-18 (US) 

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