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| Presentation | 2017-08-10 14:50 Comparison of the theoretical model and optical measurement of diaphragm vibration for the laboratory standard microphone Jae Gap Suh (Tohoku Univ.), Wan-Ho Cho (KRISS), Hack Yoon Kim (Cheongju Univ., Korea), Yoiti Suzuki (Tohoku Univ.)  EA2017-42 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | As a method to measure the sensitivity of a microphone, a reciprocity calibration method using three microphones was proposed as a with highly standard measurement method (IEC 61094-2) which precision.However,this method requires three microphones to establish measurement and it is impossible to measure with single microphone sensitivity. This method also has problems with low SN ratio and long measurement time. Here a novel method is proposed determine to estimate the acoustic volume velocity from the estimated volum velocity with the measured by diaphragm vibration of the microphone by a laser Doppler vibrometer The proposed method gives the relationship between diaphragm motion and acoustic volume velocity as an experimental model for the measured volume velocity relative to the resonance frequency of the microphone, and when measuring the sensitivity of each microphone, vibration of only the diaphragm center point is measured. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | / / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 170, EA2017-42, pp. 91-96, Aug. 2017. | |
| Paper # | EA2017-42 | |
| Date of Issue | 2017-08-02 (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 | EA2017-42 |
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| Conference Information | |
| Committee | EA ASJ-H |
| Conference Date | 2017-08-09 - 2017-08-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ., R. I. E. C. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Ultra-Realistic Acoustics, Engineering/Electro Acoustics, Psychological and Physiological Acoustics, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2017-08-EA-H |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Comparison of the theoretical model and optical measurement of diaphragm vibration for the laboratory standard microphone |
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| 1st Author's Name | Jae Gap Suh |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Wan-Ho Cho |
| 2nd Author's Affiliation | Korea Research Institute of Standards and Science (KRISS) |
| 3rd Author's Name | Hack Yoon Kim |
| 3rd Author's Affiliation | Cheongju University, Korea (Cheongju Univ., Korea) |
| 4th Author's Name | Yoiti Suzuki |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-08-10 14:50:00 |
| Presentation Time | 25 minutes |
| Registration for | EA |
| Paper # | EA2017-42 |
| Volume (vol) | vol.117 |
| Number (no) | no.170 |
| Page | pp.91-96 |
| #Pages | 6 |
| Date of Issue | 2017-08-02 (EA) |
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