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Paper Abstract and Keywords
Presentation 2010-10-22 10:45
A study on the incident direction of sound sources with a little influence of pinna shape.
Keisi Fukunaga, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. of Tech.), Kiyoshi Sugiyama (Shibaura Inst. of Tech.) EA2010-73
Abstract (in Japanese) (See Japanese page) 
(in English) Many researchers have used several kinds of earphones to study out–of–head sound localization. Several
studies address the use of insert earphones. Since these directly radiate the sound wave to the ear canal, insert
earphones minimize the influence of pinna shape. Therefore, they minimize the use of equalization in out–of–head
sound localization. Out–of–head sound localization with minimal equalization might be realized instead of the insert
earphones if the sound wave is directly radiated to the entrance of ear canal. This report focuses on the incident
direction of the sound source so as to minimize the influence of pinna shape. We perform numerical analyses using
a hard sphere–disk model and conduct PRTF measurements using five pinna models that replicate the human ear.
The results suggest that effect of pinna shape is decreased if pinna azimuth angle of the incident direction of the
sound source is similar to pinna inclination angle.
Keyword (in Japanese) (See Japanese page) 
(in English) pinna model / PRTF / incident direction of sound sources / oblate spheroid / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 239, EA2010-73, pp. 91-96, Oct. 2010.
Paper # EA2010-73 
Date of Issue 2010-10-14 (EA) 
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)
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Conference Information
Committee EA  
Conference Date 2010-10-21 - 2010-10-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa-city Omi-cho Koryu Plaza 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General Topics 
Paper Information
Registration To EA 
Conference Code 2010-10-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on the incident direction of sound sources with a little influence of pinna shape. 
Sub Title (in English)  
Keyword(1) pinna model  
Keyword(2) PRTF  
Keyword(3) incident direction of sound sources  
Keyword(4) oblate spheroid  
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Keyword(6)  
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Keyword(8)  
1st Author's Name Keisi Fukunaga  
1st Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
2nd Author's Name Haruhide Hokari  
2nd Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
3rd Author's Name Shoji Shimada  
3rd Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
4th Author's Name Kiyoshi Sugiyama  
4th Author's Affiliation Shibaura Institute of Technology (Shibaura Inst. of Tech.)
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Speaker Author-1 
Date Time 2010-10-22 10:45:00 
Presentation Time 25 minutes 
Registration for EA 
Paper # EA2010-73 
Volume (vol) vol.110 
Number (no) no.239 
Page pp.91-96 
#Pages 6 
Date of Issue 2010-10-14 (EA) 

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