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| Presentation | 2008-03-20 15:15 [Poster Presentation] A Context Clustering Technique for Improvement of Tone Intelligibility of Average-voice-based Thai Speech Synthesis Suphattharachai Chomphan, Takao Kobayashi (Tokyo Inst. of Tech.)  SP2007-194 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper describes a novel approach to the context clustering process in a speaker independent HMM-based Thai speech synthesis for improvement of the tone intelligibility of the average voice and also the speaker adapted voice. In our previous work, phrase intonation features extracted from a generative model were proposed to improve the tone intelligibility. In the present work, we propose a number of tonal features including tone-geometrical features and phrase intonation features to be exploited in the context clustering process of HMM training stage. In experiments, subjective evaluations of both average voice and adapted voice in terms of the intelligibility of tone are conducted. Effects on decision trees of the extracted features are also evaluated. By considering gender in training speech, two core experiments were conducted. The first experiment shows that the proposed tonal features can improve the tone intelligibility for female speech model above that of male speech model, while the second experiment shows that the proposed tonal features give the better improvement of the tone intelligibility for gender dependent model than for gender independent model. Both experimental results confirm that the tone correctness of the synthesized speech is significantly improved when using most of the extracted features. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | tone intelligibility / generative model / average voice / hidden Markov models / speech synthesis / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 551, SP2007-194, pp. 45-50, March 2008. | |
| Paper # | SP2007-194 | |
| Date of Issue | 2008-03-13 (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 | SP2007-194 |
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| Conference Information | |
| Committee | SP |
| Conference Date | 2008-03-20 - 2008-03-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Univ. Tokyo |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | International Workshop (Mar 20), Speech Production, Speech Perception, Hearing and Speech, etc. (Mar 21) |
| Paper Information | |
| Registration To | SP |
| Conference Code | 2008-03-SP |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Context Clustering Technique for Improvement of Tone Intelligibility of Average-voice-based Thai Speech Synthesis |
| Sub Title (in English) | |
| Keyword(1) | tone intelligibility |
| Keyword(2) | generative model |
| Keyword(3) | average voice |
| Keyword(4) | hidden Markov models |
| Keyword(5) | speech synthesis |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Suphattharachai Chomphan |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 2nd Author's Name | Takao Kobayashi |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2008-03-20 15:15:00 |
| Presentation Time | 90 minutes |
| Registration for | SP |
| Paper # | SP2007-194 |
| Volume (vol) | vol.107 |
| Number (no) | no.551 |
| Page | pp.45-50 |
| #Pages | 6 |
| Date of Issue | 2008-03-13 (SP) |
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