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Paper Abstract and Keywords
Presentation 2009-06-26 15:15
Representation of repetitive structures in speech and its application to F0 and aperiodicity extraction
Hanae Itagaki (Wakayama Univ.), Masanori Morise (Ritsumei. Univ.), Ryuichi Nisimura, Toshio Irino, Hideki Kawahara (Wakayama Univ.) EA2009-33
Abstract (in Japanese) (See Japanese page) 
(in English) A bottom up procedure for extracting repetitive structures in speech sounds is proposed based on atemporally stable representation of periodic sounds(TANDEM) and adaptive spectral smoothing for normalization STRAIGHT). The proposed method evaluates local periodic structure in the frequency domain for detecting repetition in the time domain. A group of dedicated periodicity detectors are combined to construct the proposed
procedure for repetitive structure extractor and called XSX (eXcitation Structure eXtractor). The proposed procedure is tested using a set of stylized test signals with artificial shimmer and jitter to investigate applicability for such aperiodic signals. The test results indicated that the proposed procedure outperformed in descriptive power of those complex excitation modes over existing F0 detectors. Finally, the proposed procedure is applied to analyze pathological voice examples to investigate feasibility of voice quality restoration applications.
Keyword (in Japanese) (See Japanese page) 
(in English) periodicity estimation / fundamental frequency / TANDEM / STRAIGHT / XSX / modulated signal / pathological voice /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 100, EA2009-33, pp. 91-96, June 2009.
Paper # EA2009-33 
Date of Issue 2009-06-18 (EA) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Committee EA  
Conference Date 2009-06-25 - 2009-06-26 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To EA 
Conference Code 2009-06-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Representation of repetitive structures in speech and its application to F0 and aperiodicity extraction 
Sub Title (in English)  
Keyword(1) periodicity estimation  
Keyword(2) fundamental frequency  
Keyword(3) TANDEM  
Keyword(4) STRAIGHT  
Keyword(5) XSX  
Keyword(6) modulated signal  
Keyword(7) pathological voice  
1st Author's Name Hanae Itagaki  
1st Author's Affiliation Wakayama University (Wakayama Univ.)
2nd Author's Name Masanori Morise  
2nd Author's Affiliation Ritsumeikan University (Ritsumei. Univ.)
3rd Author's Name Ryuichi Nisimura  
3rd Author's Affiliation Wakayama University (Wakayama Univ.)
4th Author's Name Toshio Irino  
4th Author's Affiliation Wakayama University (Wakayama Univ.)
5th Author's Name Hideki Kawahara  
5th Author's Affiliation Wakayama University (Wakayama Univ.)
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Date Time 2009-06-26 15:15:00 
Presentation Time 30 
Registration for EA 
Paper # IEICE-EA2009-33 
Volume (vol) IEICE-109 
Number (no) no.100 
Page pp.91-96 
#Pages IEICE-6 
Date of Issue IEICE-EA-2009-06-18 

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