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| Presentation | 2010-03-05 10:00 A vocal fold model including acoustic effects of the supra- and subglottal systems Hironori Takemoto (NICT), Seiji Adachi (Fraunhofer institute), Yosuke Tanabe (Hitatchi)  SP2009-159 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Vocal fold vibration is influenced not only by acoustic characteristics of the supraglottal system (vocal tract) but also by the subglottal system (trachea, bronchi, and lungs). The glottal flow, calculated in discrete time steps in computer simulation, is reflected from the supra- and subglottal systems, causing the pressure to change just above and below the glottis, and these pressure changes are necessary for calculating the glottal flow at subsequent time steps. In this article, we formulated and described how the glottal flow and pressure changes in the two-mass and two-dimensional models are calculated by using the reflection function obtained from the input impedance of the system. When the subglottal system was incorporated for the vowel /a/, the subglottal pressure varied by more than 500 Pa, and the volume flow reduced by 17 % | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | reflection function / vocal fold model / vocal tract / speech production / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 451, SP2009-159, pp. 63-68, March 2010. | |
| Paper # | SP2009-159 | |
| Date of Issue | 2010-02-25 (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 | SP2009-159 |
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| Conference Information | |
| Committee | SP |
| Conference Date | 2010-03-04 - 2010-03-05 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Shibaura Inst. of Tech. (Toyosu Campus) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Hearing, speech, language and their disorders, and others |
| Paper Information | |
| Registration To | SP |
| Conference Code | 2010-03-SP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A vocal fold model including acoustic effects of the supra- and subglottal systems |
| Sub Title (in English) | |
| Keyword(1) | reflection function |
| Keyword(2) | vocal fold model |
| Keyword(3) | vocal tract |
| Keyword(4) | speech production |
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| 1st Author's Name | Hironori Takemoto |
| 1st Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 2nd Author's Name | Seiji Adachi |
| 2nd Author's Affiliation | Fraunhofer institute (Fraunhofer institute) |
| 3rd Author's Name | Yosuke Tanabe |
| 3rd Author's Affiliation | Hitachi (Hitatchi) |
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| Speaker | Author-1 |
| Date Time | 2010-03-05 10:00:00 |
| Presentation Time | 30 minutes |
| Registration for | SP |
| Paper # | SP2009-159 |
| Volume (vol) | vol.109 |
| Number (no) | no.451 |
| Page | pp.63-68 |
| #Pages | 6 |
| Date of Issue | 2010-02-25 (SP) |
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