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| Presentation | 2007-10-19 13:30 Acoustic Analysis by Two-microphone Method at Three Points into the External Auditory Canal Makoto Shinohara, Kenji Furihata (Shinshu Univ)  EA2007-69 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this report, an small acoustic intensity probe microphone (an array of three microphones: the lengths among microphones are 6.3mm，10.4m，and 16.7mm, the diameter is 4mm) using two-microphone method is developed. In order to measure the sound pressure, transfer function and impedance at external auditory canal, the probe microphone placed in 0mm, 10.4mm and 16.7mm deep to the entrance of external auditory canal. The probe microphone can measure three points at same time. From the results, it can be found that the transfer function, impedance at external auditory canal and sound pressure at external auditory canal can measure from the sound pressures between each microphone in external auditory canal. Consequently, it can be said that this microphone probe is effective for the measurement of acoustic characteristic in the external auditory canal and the sound pressures measured in the entrance of external auditory canal show the effects of individual differences in the shape of ear. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Two-microphone method / Transfer function / Impedance at external auditory canal / Sound pressure at external auditory canal / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 269, EA2007-69, pp. 31-36, Oct. 2007. | |
| Paper # | EA2007-69 | |
| Date of Issue | 2007-10-12 (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) | |
| Download PDF | EA2007-69 |
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| Conference Information | |
| Committee | EA |
| Conference Date | 2007-10-18 - 2007-10-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Shinshu University Faculty of Engineering |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2007-10-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Acoustic Analysis by Two-microphone Method at Three Points into the External Auditory Canal |
| Sub Title (in English) | |
| Keyword(1) | Two-microphone method |
| Keyword(2) | Transfer function |
| Keyword(3) | Impedance at external auditory canal |
| Keyword(4) | Sound pressure at external auditory canal |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Makoto Shinohara |
| 1st Author's Affiliation | Shinshu University (Shinshu Univ) |
| 2nd Author's Name | Kenji Furihata |
| 2nd Author's Affiliation | Shinshu University (Shinshu Univ) |
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| Speaker | Author-1 |
| Date Time | 2007-10-19 13:30:00 |
| Presentation Time | 30 minutes |
| Registration for | EA |
| Paper # | EA2007-69 |
| Volume (vol) | vol.107 |
| Number (no) | no.269 |
| Page | pp.31-36 |
| #Pages | 6 |
| Date of Issue | 2007-10-12 (EA) |
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