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| Presentation | 2012-08-27 17:20 [Invited Talk] Nonlinear Dynamics of Voice Production -- From voice pathology, singing voice to bioacoustics -- Isao Tokuda (Ritsumeikan Univ.)  LOIS2012-20 IE2012-52 EMM2012-43 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | oice production is mainly composed of two parts: (a) laryngeal source produced by vocal fold vibrations and (b) acoustic filtering produced by supraglottal vocal tract. Since acoustic property of the vocal tract filter can be well described by a linear predictive model, the voice production is often considered as a linear system. The vocal folds vibrations are, however, an inherently nonlinear process, which gives rise to subharmonics, quasi-periodic oscillations, chaos, and variety of bifurcation phenomena under some conditions. For standard speech analysis, it is usually that the source and filter are mutually independent. However, in an extreme condition, e.g., in singing voice, such independence is broken and various levels of source-filter interaction can be observed. In the present talk, we start from the fundamentals of voice production and overview the nonlinear phenomena arise in the voice production. As applications, voice instability in pathological voice, bifurcations in register transition, and source-filter interaction in bioacoustics are described. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Voice Production / Nonlinear Dynamics / Vocal Folds Vibration / Chaos / Bifurcations / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 190, EMM2012-43, pp. 49-49, Aug. 2012. | |
| Paper # | EMM2012-43 | |
| Date of Issue | 2012-08-20 (LOIS, IE, EMM) | |
| 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 | LOIS2012-20 IE2012-52 EMM2012-43 |
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| Conference Information | |
| Committee | EMM IE LOIS ITE-ME IEE-CMN |
| Conference Date | 2012-08-27 - 2012-08-28 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EMM |
| Conference Code | 2012-08-EMM-IE-LOIS-ME-CMN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Nonlinear Dynamics of Voice Production |
| Sub Title (in English) | From voice pathology, singing voice to bioacoustics |
| Keyword(1) | Voice Production |
| Keyword(2) | Nonlinear Dynamics |
| Keyword(3) | Vocal Folds Vibration |
| Keyword(4) | Chaos |
| Keyword(5) | Bifurcations |
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| 1st Author's Name | Isao Tokuda |
| 1st Author's Affiliation | Ritsumeikan University (Ritsumeikan Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-08-27 17:20:00 |
| Presentation Time | 50 minutes |
| Registration for | EMM |
| Paper # | LOIS2012-20, IE2012-52, EMM2012-43 |
| Volume (vol) | vol.112 |
| Number (no) | no.188(LOIS), no.189(IE), no.190(EMM) |
| Page | p.49 |
| #Pages | 1 |
| Date of Issue | 2012-08-20 (LOIS, IE, EMM) |
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