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Paper Abstract and Keywords
Presentation 2008-03-21 16:15
Improvement of real-time STRAIGHT and implementation of STRAIGHT library
Hideki Banno (Meijo Univ.), Masanori Morise, Toru Takahashi, Ryuichi Nisimura, Toshio Irino, Hideki Kawahara (Wakayama Univ.) SP2007-213
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes improvement of real-time STRAIGHT and implementation of STRAIGHT library.
STRAIGHT is a high quality speech analysis, modification and synthesis system
based on the VOCODER-type representation. STRAIGHT is currently finding wide
applications such as speech synthesis systems and tools for auditory
experiments. However, the current implementation of STRAIGHT by MATLAB does
not fit to real-time applications. Thus, we have been porting the language of the source
code to the C language, and finally have finished the porting from the MATLAB latest version to C
version. The real-time STRAIGHT using the ported functions was subjectively evaluated by
the mean opinion scores (MOS). The MOS of the improved real-time STRAIGHT is
approximately 0.7 point better than that of the previous version of the
real-time STRAIGHT. We have also implemented the STRAIGHT library including
STRAIGHT API for C language.
Keyword (in Japanese) (See Japanese page) 
(in English) speech analysis-synthesis system / speech modification / STRAIGHT / real-time / library / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 551, SP2007-213, pp. 157-162, March 2008.
Paper # SP2007-213 
Date of Issue 2008-03-13 (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 SP2007-213

Conference Information
Committee SP  
Conference Date 2008-03-20 - 2008-03-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. Tokyo 
Topics (in Japanese) (See Japanese page) 
Topics (in English) International Workshop (Mar 20), Speech Production, Speech Perception, Hearing and Speech, etc. (Mar 21) 
Paper Information
Registration To SP 
Conference Code 2008-03-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of real-time STRAIGHT and implementation of STRAIGHT library 
Sub Title (in English)  
Keyword(1) speech analysis-synthesis system  
Keyword(2) speech modification  
Keyword(3) STRAIGHT  
Keyword(4) real-time  
Keyword(5) library  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Hideki Banno  
1st Author's Affiliation Meijo University (Meijo Univ.)
2nd Author's Name Masanori Morise  
2nd Author's Affiliation Wakayama University (Wakayama Univ.)
3rd Author's Name Toru Takahashi  
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 2008-03-21 16:15:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # SP2007-213 
Volume (vol) vol.107 
Number (no) no.551 
Page pp.157-162 
#Pages 6 
Date of Issue 2008-03-13 (SP) 

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