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Paper Abstract and Keywords
Presentation 2013-06-13 14:45
A Hybrid Approach to Electrolaryngeal Speech Enhancement Based on Spectral Compensation and Statistical Source Excitation Generation
Kou Tanaka, Tomoki Toda, Graham Neubig, Sakriani Sakti, Satoshi Nakamura (NAIST) SP2013-37 WIT2013-7
Abstract (in Japanese) (See Japanese page) 
(in English) We present a hybrid approach to improving naturalness of electrolaryngeal (EL) speech while minimizing degradation in listenability. An electrolarynx is a device that artificially generates excitation sounds to enable laryngectomees to produce EL speech. Although proficient laryngectomees can produce quite intelligible EL speech, it sounds very unnatural due to the mechanical excitation produced by the device. Moreover, the excitation sounds produced by the device often leak outside, adding noise to EL speech. To address these issues, we propose a hybrid method using the noise reduction method for enhancing spectral parameters and voice conversion method for predicting excitation parameters. The experimental results demonstrate the proposed method yields significant improvements in naturalness compared with EL speech while keeping listenability high enough.
Keyword (in Japanese) (See Japanese page) 
(in English) speaking-aid / electrolaryngeal speech / spectral subtraction / voice conversion / hybrid approach / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 76, SP2013-37, pp. 37-42, June 2013.
Paper # SP2013-37 
Date of Issue 2013-06-06 (SP, WIT) 
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 SP2013-37 WIT2013-7

Conference Information
Committee SP WIT  
Conference Date 2013-06-13 - 2013-06-14 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SP 
Conference Code 2013-06-SP-WIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Hybrid Approach to Electrolaryngeal Speech Enhancement Based on Spectral Compensation and Statistical Source Excitation Generation 
Sub Title (in English)  
Keyword(1) speaking-aid  
Keyword(2) electrolaryngeal speech  
Keyword(3) spectral subtraction  
Keyword(4) voice conversion  
Keyword(5) hybrid approach  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kou Tanaka  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Tomoki Toda  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Graham Neubig  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
4th Author's Name Sakriani Sakti  
4th Author's Affiliation Nara Institute of Science and Technology (NAIST)
5th Author's Name Satoshi Nakamura  
5th Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Speaker Author-1 
Date Time 2013-06-13 14:45:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # SP2013-37, WIT2013-7 
Volume (vol) vol.113 
Number (no) no.76(SP), no.77(WIT) 
Page pp.37-42 
#Pages 6 
Date of Issue 2013-06-06 (SP, WIT) 

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