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| Presentation | 2019-01-22 14:00 [Poster Presentation] A study of improving method for nonstationary noise contained in a measured impulse response Wataru Kinoshita, Yutaka Kaneda (TDU)  EA2018-93 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The impulse response is an important system characteristic from which the frequency response and reverberation time of an acoustic system are derived. The impulse response is measured using measurement signals such as swept sine and pseudo-noise signals, which effectively reduce stationary noise. However, if nonstationary noise is included during the measurement, the impulse response deteriorates severely and remeasurement should be performed. In this study, we propose a method of reducing the nonstationary noise in a short time that involves three steps: (1) detect the time when nonstationary noise contaminates the impulse response, (2) remeasure the signal of the detected time, (3) replacing the original response containing the nonstationary noise by the remeasured response. The effectiveness of the proposed method is confirmed by an experiment in an actual sound field. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | swept sign signal / pseudo noise signal / impulse response / nonstationary noise / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 410, EA2018-93, pp. 1-6, Jan. 2019. | |
| Paper # | EA2018-93 | |
| Date of Issue | 2019-01-15 (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 | EA2018-93 |
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| Conference Information | |
| Committee | EA US |
| Conference Date | 2019-01-22 - 2019-01-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Doshisha Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonics, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2019-01-EA-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study of improving method for nonstationary noise contained in a measured impulse response |
| Sub Title (in English) | |
| Keyword(1) | swept sign signal |
| Keyword(2) | pseudo noise signal |
| Keyword(3) | impulse response |
| Keyword(4) | nonstationary noise |
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| Keyword(8) | |
| 1st Author's Name | Wataru Kinoshita |
| 1st Author's Affiliation | Tokyo Denki University (TDU) |
| 2nd Author's Name | Yutaka Kaneda |
| 2nd Author's Affiliation | Tokyo Denki University (TDU) |
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| Speaker | Author-1 |
| Date Time | 2019-01-22 14:00:00 |
| Presentation Time | 120 minutes |
| Registration for | EA |
| Paper # | EA2018-93 |
| Volume (vol) | vol.118 |
| Number (no) | no.410 |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2019-01-15 (EA) |
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