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| Presentation | 2010-12-21 16:40 Non-negative matrix factorization of segmental STRAIGHT speech spectrograms Makoto Koseki, Kazunori Mano (Shibaura Inst. of Tech.)  NLC2010-27 SP2010-100 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we propose a new framework of non-negative matrix factorization (NMF) applied to segmental speech for spectrogram compression in STRAIGHT. Non-negative matrix factorization is a matrix decomposition method using non-negative constraints, and it is possible to extract various characteristic features as the form of decomposed matrix by controlling the initial values and the constraints of optimization measures. If an NMF is applied to a whole sentence, higher levels of some specific phoneme spectra would be involuntarily biased. In this case, although the higher-level spectra can be well approximated, the lower-level spectra may not be well approximated. The proposed method performs NMF based on the characteristics of speech segments. It is shown that the obtained spectrogram model provides better basis spectra for each cluster than normal NMF and mel-cepstral representations. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | STRAIGHT / Non-negative Matrix Factorization / speech segment / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 357, SP2010-100, pp. 183-188, Dec. 2010. | |
| Paper # | SP2010-100 | |
| Date of Issue | 2010-12-13 (NLC, 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 | NLC2010-27 SP2010-100 |
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| Conference Information | |
| Committee | NLC SP |
| Conference Date | 2010-12-20 - 2010-12-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | National Olympics Memorial Youth Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Information Access, Speech and Language Processing, etc. |
| Paper Information | |
| Registration To | SP |
| Conference Code | 2010-12-NLC-SP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Non-negative matrix factorization of segmental STRAIGHT speech spectrograms |
| Sub Title (in English) | |
| Keyword(1) | STRAIGHT |
| Keyword(2) | Non-negative Matrix Factorization |
| Keyword(3) | speech segment |
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| 1st Author's Name | Makoto Koseki |
| 1st Author's Affiliation | Shibaura Institute of Technology (Shibaura Inst. of Tech.) |
| 2nd Author's Name | Kazunori Mano |
| 2nd Author's Affiliation | Shibaura Institute of Technology (Shibaura Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2010-12-21 16:40:00 |
| Presentation Time | 90 minutes |
| Registration for | SP |
| Paper # | NLC2010-27, SP2010-100 |
| Volume (vol) | vol.110 |
| Number (no) | no.356(NLC), no.357(SP) |
| Page | pp.183-188 |
| #Pages | 6 |
| Date of Issue | 2010-12-13 (NLC, SP) |
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