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| Presentation | 2017-03-02 09:00 [Poster Presentation] Study of room acoustic characteristics calculation from an impulse response measured at high sound pressure Ryo Takebayashi, Yutaka Kaneda (Tokyo Denki Univ.)  EA2016-116 SIP2016-171 SP2016-111 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | When measuring an impulse response, it is possible to reduce the effect of ambient noise by measuring at a high sound pressure. However, the nonlinear distortion of a loudspeaker occurs during measurement at a high sound pressure. In this study, we first measured the nonlinear distortion of an impulse response at a high sound pressure that exceeded the rating of the measuring equipment. Harmonic distortion and fundamental wave distortion were observed as nonlinear distortion. However, we showed that it is possible to calculate room acoustic characteristics while avoiding the effect of distortion by using a signal, such as Log-SS, that can separate harmonic distortion. We also examined the possible problems occurring in measurement at a high sound pressure. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | impulse response / harmonic distortion / high sound pressure / swept sine signal / loudspeaker / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 475, EA2016-116, pp. 195-200, March 2017. | |
| Paper # | EA2016-116 | |
| Date of Issue | 2017-02-22 (EA, SIP, SP) | |
| 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 | EA2016-116 SIP2016-171 SP2016-111 |
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| Conference Information | |
| Committee | SP SIP EA |
| Conference Date | 2017-03-01 - 2017-03-02 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Industry Support Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Speech, Engineering/Electro Acoustics, Signal Processing, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2017-03-SP-SIP-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study of room acoustic characteristics calculation from an impulse response measured at high sound pressure |
| Sub Title (in English) | |
| Keyword(1) | impulse response |
| Keyword(2) | harmonic distortion |
| Keyword(3) | high sound pressure |
| Keyword(4) | swept sine signal |
| Keyword(5) | loudspeaker |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Ryo Takebayashi |
| 1st Author's Affiliation | Tokyo Denki University (Tokyo Denki Univ.) |
| 2nd Author's Name | Yutaka Kaneda |
| 2nd Author's Affiliation | Tokyo Denki University (Tokyo Denki Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-03-02 09:00:00 |
| Presentation Time | 90 minutes |
| Registration for | EA |
| Paper # | EA2016-116, SIP2016-171, SP2016-111 |
| Volume (vol) | vol.116 |
| Number (no) | no.475(EA), no.476(SIP), no.477(SP) |
| Page | pp.195-200 |
| #Pages | 6 |
| Date of Issue | 2017-02-22 (EA, SIP, SP) |
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