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| Presentation | 2008-12-10 10:45 Aperiodicity extraction based on linear prediction and temporal axis warping using fundamental frequency information Hideki Kawahara (Wakayama Univ.), Masanori Morise (Kwansei Univ.), Toru Takahashi (Kyoto Univ.), Hideki Banno (Meijo Univ.), Ryuichi Nisimura, Toshio Irino (Wakayama Univ.)  NLC2008-38 SP2008-93 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A reliable aperiodicity extractor is crucial for high-quality speech manipulation systems. This article proposes a new extractor based on a critical review on conventional methods (mainly on our previous proposals) and fundamental issues. The proposed method uses forward and backward linear predictors with lags around fundamental period and consists of an instantaneous fundamental frequency-based temporal axis warping. The extractor also consists of Quadrature Mirror Filter for frequency band division to control TB (time-bandwidth) product for reliable estimates. Combination of multiple clues extracted using the original and the manipulated time axes yields reliable and efficient estimates of aperiodicity spectrogram. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | speech analysis / speech synthesis / voice quality / prediction residuals / temporal axis warping / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 338, SP2008-93, pp. 85-90, Dec. 2008. | |
| Paper # | SP2008-93 | |
| Date of Issue | 2008-12-02 (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 | NLC2008-38 SP2008-93 |
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| Conference Information | |
| Committee | SP NLC |
| Conference Date | 2008-12-09 - 2008-12-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Waseda Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SP |
| Conference Code | 2008-12-SP-NLC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Aperiodicity extraction based on linear prediction and temporal axis warping using fundamental frequency information |
| Sub Title (in English) | |
| Keyword(1) | speech analysis |
| Keyword(2) | speech synthesis |
| Keyword(3) | voice quality |
| Keyword(4) | prediction residuals |
| Keyword(5) | temporal axis warping |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hideki Kawahara |
| 1st Author's Affiliation | Wakayama University (Wakayama Univ.) |
| 2nd Author's Name | Masanori Morise |
| 2nd Author's Affiliation | Kwansei Gakuin University (Kwansei Univ.) |
| 3rd Author's Name | Toru Takahashi |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 4th Author's Name | Hideki Banno |
| 4th Author's Affiliation | Meijo University (Meijo Univ.) |
| 5th Author's Name | Ryuichi Nisimura |
| 5th Author's Affiliation | Wakayama University (Wakayama Univ.) |
| 6th Author's Name | Toshio Irino |
| 6th Author's Affiliation | Wakayama University (Wakayama Univ.) |
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| Speaker | Author-1 |
| Date Time | 2008-12-10 10:45:00 |
| Presentation Time | 25 minutes |
| Registration for | SP |
| Paper # | NLC2008-38, SP2008-93 |
| Volume (vol) | vol.108 |
| Number (no) | no.337(NLC), no.338(SP) |
| Page | pp.85-90 |
| #Pages | 6 |
| Date of Issue | 2008-12-02 (NLC, SP) |
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