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| Presentation | 2018-01-21 14:45 An investigation of multi-speaker WaveNet vocoder Tomoki Hayashi, Kazuhiro Kobayashi, Akira Tamamori, Kazuya Takeda, Tomoki Toda (Nagoya Univ.)  SP2017-81 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we investigate a multi-speaker WaveNet vocoder. In our previous work, we have demonstrated that our proposed speaker-dependent (SD) WaveNet vocoder, which is trained with a single speaker's speech data, is capable of modeling temporal waveform structure, such as phase information, and makes it possible to generate more natural sounding synthetic voices compared to the conventional high-quality vocoder, STRAIGHT. However, it is still difficult to generate synthetic voices of various speakers using the SD-WaveNet due to its speaker-dependent property. Towards the development of speaker-independent WaveNet vocoder, we update the auxiliary features, introduce the noise shaping technique, and apply multi-speaker training techniques to the WaveNet vocoder and investigate their effectiveness. Moreover, we investigate the effectiveness of the amount of training data. The experimental results demonstrate that 1) the multi-speaker WaveNet vocoder is comparable to SD WaveNet in generating known speakers' voices, but it is slightly worse in generating unknown speakers' voices, 2) the multi-speaker WaveNet vocoder outperforms STRAIGHT in generating both known and unknown speakers' voices, and 3) the scores of objective evaluation metrics are improved proportionally to the amount of training data. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | speech synthesis / vocoder / WaveNet / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 393, SP2017-81, pp. 81-86, Jan. 2018. | |
| Paper # | SP2017-81 | |
| Date of Issue | 2018-01-13 (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 | SP2017-81 |
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| Conference Information | |
| Committee | SP ASJ-H |
| Conference Date | 2018-01-20 - 2018-01-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | The University of Tokyo |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SP |
| Conference Code | 2018-01-SP-H |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An investigation of multi-speaker WaveNet vocoder |
| Sub Title (in English) | |
| Keyword(1) | speech synthesis |
| Keyword(2) | vocoder |
| Keyword(3) | WaveNet |
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| 1st Author's Name | Tomoki Hayashi |
| 1st Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 2nd Author's Name | Kazuhiro Kobayashi |
| 2nd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 3rd Author's Name | Akira Tamamori |
| 3rd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 4th Author's Name | Kazuya Takeda |
| 4th Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 5th Author's Name | Tomoki Toda |
| 5th Author's Affiliation | Nagoya University (Nagoya Univ.) |
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| Speaker | Author-1 |
| Date Time | 2018-01-21 14:45:00 |
| Presentation Time | 25 minutes |
| Registration for | SP |
| Paper # | SP2017-81 |
| Volume (vol) | vol.117 |
| Number (no) | no.393 |
| Page | pp.81-86 |
| #Pages | 6 |
| Date of Issue | 2018-01-13 (SP) |
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