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| Presentation | 2013-07-18 11:00 Frequency-proportional dilation and compression in singing voice spectra and contributing factors Makoto Sakaguchi, Mayuko Kobayashi, Toshio Irino, Ryuichi Nisimura, Hideki Kawahara (Wakayama Univ.)  EA2013-35 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A new estimation method of relative vocal tract length was proposed based on short time Fourier analysis and demonstrated its high reproducibility. The proposed method is based on an interference-free power spectral representation of periodic signals. The interference-free envelope spectrum is preprocessed by removing global spectral shape, which is dependent on the glottal source waveform and the radiation characteristic from mouth opening. It also preprocessed by smoothing excessive spectral details such as; differences of formant peak bandwidths, spectral dips caused by vocal tract branching, existence of closing phase of vocal fold and three dimensional vocal tract shape. Spectral distance calculation of preprocessed spectra using only relevant frequency region is introduced to alleviate disturbing factors other than vocal tract length differences. This article reports application of the proposed method on singing voices for investigating effects of singers' individual differences and voice pitch on the estimated relative vocal tract lengths. It also discusses possible application to computer assisted voice training. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | singing voices / voice training / vocal tract length / individual differences / fundamental frequency / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 134, EA2013-35, pp. 9-14, July 2013. | |
| Paper # | EA2013-35 | |
| Date of Issue | 2013-07-11 (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 | EA2013-35 |
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| Conference Information | |
| Committee | EA |
| Conference Date | 2013-07-18 - 2013-07-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Health Sci. Univ. of Hokkaido |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Engineering/Electro Acoustics, Musical Acoustics, Psychological and Physiological Acoustics, and Related Topics |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2013-07-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Frequency-proportional dilation and compression in singing voice spectra and contributing factors |
| Sub Title (in English) | |
| Keyword(1) | singing voices |
| Keyword(2) | voice training |
| Keyword(3) | vocal tract length |
| Keyword(4) | individual differences |
| Keyword(5) | fundamental frequency |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Makoto Sakaguchi |
| 1st Author's Affiliation | Wakayama University (Wakayama Univ.) |
| 2nd Author's Name | Mayuko Kobayashi |
| 2nd Author's Affiliation | Wakayama University (Wakayama Univ.) |
| 3rd Author's Name | Toshio Irino |
| 3rd Author's Affiliation | Wakayama University (Wakayama Univ.) |
| 4th Author's Name | Ryuichi Nisimura |
| 4th Author's Affiliation | Wakayama University (Wakayama Univ.) |
| 5th Author's Name | Hideki Kawahara |
| 5th Author's Affiliation | Wakayama University (Wakayama Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-07-18 11:00:00 |
| Presentation Time | 30 minutes |
| Registration for | EA |
| Paper # | EA2013-35 |
| Volume (vol) | vol.113 |
| Number (no) | no.134 |
| Page | pp.9-14 |
| #Pages | 6 |
| Date of Issue | 2013-07-11 (EA) |
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