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Paper Abstract and Keywords
Presentation 2010-01-21 10:40
Performance evaluation of Voice Conversion Based on F0 Quantization and Non-parallel Training
Yuhei Ota, Takashi Nose, Takao Kobayashi (Tokyo Inst. of Tech.) CQ2009-60 PRMU2009-159 SP2009-100 MVE2009-82
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes the performance evaluation results of a context-dependent HMM-based voice conversion technique to show its effectiveness by comparing with a GMM-based one. In HMM-based conversion, first we extract the phonetic and prosodic information from input speech of a source speaker. Then, converted synthetic speech is generated from the pre-trained acoustic model of a target speaker. To appropriately model the pitch information, we use a roughly quantized F0 symbol sequence as the prosodic context instead of accent information obtained by manual labeling for training data. By using the phonetically and prosodically context-dependent HMMs, the speaker characteristics appearing in segmental and supra-segmental features can be also converted, which is difficult in conventional GMM-based techniques. Objective and subjective experimental results show that the naturalness and speaker individuality of converted speech are significantly improved by using HMM-based voice conversion.
Keyword (in Japanese) (See Japanese page) 
(in English) voice conversion / HMM-based speech synthesis / prosodic information / F0 quantization / GMM / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 375, SP2009-100, pp. 27-32, Jan. 2010.
Paper # SP2009-100 
Date of Issue 2010-01-14 (CQ, PRMU, SP, MVE) 
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 CQ2009-60 PRMU2009-159 SP2009-100 MVE2009-82

Conference Information
Committee PRMU SP MVE CQ  
Conference Date 2010-01-21 - 2010-01-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SP 
Conference Code 2010-01-PRMU-SP-MVE-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance evaluation of Voice Conversion Based on F0 Quantization and Non-parallel Training 
Sub Title (in English)  
Keyword(1) voice conversion  
Keyword(2) HMM-based speech synthesis  
Keyword(3) prosodic information  
Keyword(4) F0 quantization  
Keyword(5) GMM  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yuhei Ota  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
2nd Author's Name Takashi Nose  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
3rd Author's Name Takao Kobayashi  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
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Speaker Author-1 
Date Time 2010-01-21 10:40:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # CQ2009-60, PRMU2009-159, SP2009-100, MVE2009-82 
Volume (vol) vol.109 
Number (no) no.373(CQ), no.374(PRMU), no.375(SP), no.376(MVE) 
Page pp.27-32 
#Pages 6 
Date of Issue 2010-01-14 (CQ, PRMU, SP, MVE) 

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