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Paper Abstract and Keywords
Presentation 2009-06-25 11:15
Sound quality improvement based on vocal tract length normalization in simplified speech morphing
Yoshiki Asaka, Saori Nishida, Hayato Akagiri, Ryuichi Nisimura, Toshio Irino, Hideki Kawahara (Wakayama Univ) SP2009-35
Abstract (in Japanese) (See Japanese page) 
(in English) Need of careful manual placement of anchoring points is the major obstacle for application of current speech morphing based on STRAIGHT. This obstacle can be partially removed by normalizing vocal tract lengths (VTL) of speakers involved in morphing. Auditory inspired spectral distance measures are used to find the best normalizing ratio of VTLs.Preliminary subjective tests indicated that the proposed method improves perceptual quality of the morphed speech sounds.It was also suggested that introducing additional vocal tract shape parameter may be useful for improving quality further.
Keyword (in Japanese) (See Japanese page) 
(in English) speech morphing / STRAIGHT / vocal tract length / spectral distance / perceptual quality / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 99, SP2009-35, pp. 69-74, June 2009.
Paper # SP2009-35 
Date of Issue 2009-06-17 (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 SP2009-35

Conference Information
Committee SP  
Conference Date 2009-06-24 - 2009-06-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Clark Memorial Hall, Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) emotional speech, prosody, voice quality, speech production and perception, brain activity, etc. 
Paper Information
Registration To SP 
Conference Code 2009-06-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Sound quality improvement based on vocal tract length normalization in simplified speech morphing 
Sub Title (in English)  
Keyword(1) speech morphing  
Keyword(2) STRAIGHT  
Keyword(3) vocal tract length  
Keyword(4) spectral distance  
Keyword(5) perceptual quality  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yoshiki Asaka  
1st Author's Affiliation Wakayama University (Wakayama Univ)
2nd Author's Name Saori Nishida  
2nd Author's Affiliation Wakayama University (Wakayama Univ)
3rd Author's Name Hayato Akagiri  
3rd Author's Affiliation Wakayama University (Wakayama Univ)
4th Author's Name Ryuichi Nisimura  
4th Author's Affiliation Wakayama University (Wakayama Univ)
5th Author's Name Toshio Irino  
5th Author's Affiliation Wakayama University (Wakayama Univ)
6th Author's Name Hideki Kawahara  
6th Author's Affiliation Wakayama University (Wakayama Univ)
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Speaker Author-1 
Date Time 2009-06-25 11:15:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # SP2009-35 
Volume (vol) vol.109 
Number (no) no.99 
Page pp.69-74 
#Pages 6 
Date of Issue 2009-06-17 (SP) 

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