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| Paper Abstract and Keywords | ||
| Presentation | 2019-10-29 13:25 Influence of Snow on Speech Intelligibility and its Compensation Filter Shuto Shibata, Kazuhiro Kondo (Yamagata Univ.)  EA2019-48 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | When it snows, it often sounds quiet outdoors. This is because snow inhibits sound transmission. Snowfall is known to make it difficult to hear the sound, especially mid-low tones. The above phenomenon is considered to have a great influence on the warning message of the disaster prevention radio broadcasting system. In the event of a disaster, the information from the warning system may cause a serious situation when it is disturbed by the effects of snow. Accordingly, In this study, we clarified how much the amount of snow accumulation, the amount of snowfall and the density, the major factors of snow, contribute to speech intelligibility and its compensation method was examined. In order to measure the transfer characteristics of the snow, an impulse response measurement experiment was performed 13 times under different conditions outdoors in the snow. The measured transfer characteristics were convoluted with the test speech, and the Japanese intelligibility test was performed using these samples. Multiple regression analysis was performed using speech intelligibility as the objective variable and snow factor as explanatory variables, and the contribution rate to intelligibility was analyzed. As a result, it was found that although there is some influence on the amount of snowfall and density, the influence of the amount of snowfall becomes dominant as the distance between the loudspeaker and the listener (microphone) becomes large. Furthermore, using the acquired transfer characteristics, we examined the compensation filter for snow attenuation. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Speech Intelligibility / Impulse Response / Snow / Compensation Filter / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 253, EA2019-48, pp. 77-82, Oct. 2019. | |
| Paper # | EA2019-48 | |
| Date of Issue | 2019-10-21 (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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | EA2019-48 |
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| Conference Information | |
| Committee | EA ASJ-H |
| Conference Date | 2019-10-28 - 2019-10-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | NHK Science&Technology Research Lab. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Engineering/Electro Acoustics, Psychological and Physiological Acoustics, High-Reality Audio, Spatial Audio, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2019-10-EA-H |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Influence of Snow on Speech Intelligibility and its Compensation Filter |
| Sub Title (in English) | |
| Keyword(1) | Speech Intelligibility |
| Keyword(2) | Impulse Response |
| Keyword(3) | Snow |
| Keyword(4) | Compensation Filter |
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| 1st Author's Name | Shuto Shibata |
| 1st Author's Affiliation | Yamagata University (Yamagata Univ.) |
| 2nd Author's Name | Kazuhiro Kondo |
| 2nd Author's Affiliation | Yamagata University (Yamagata Univ.) |
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| Speaker | 1 |
| Date Time | 2019-10-29 13:25:00 |
| Presentation Time | 25 |
| Registration for | EA |
| Paper # | IEICE-EA2019-48 |
| Volume (vol) | IEICE-119 |
| Number (no) | no.253 |
| Page | pp.77-82 |
| #Pages | IEICE-6 |
| Date of Issue | IEICE-EA-2019-10-21 |
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