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Paper Abstract and Keywords
Presentation 2013-06-14 13:30
Combining perceptually-motivated spectral shaping with loudness and duration modification for intelligibility enhancement of HMM-based synthetic speech in noise
Cassia Valentini-Botinhao (Univ. of Edinburgh), Junichi Yamagishi (NII/Univ. of Edinburgh), Simon King (Univ. of Edinburgh), Yannis Stylianou (FORTH, Greece) SP2013-47 WIT2013-17
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents our entry to a speech-in-noise intelligibility enhancement evaluation: the Hurricane Challenge. The system consists of a Text-To-Speech voice manipulated through a combination of enhancement strategies, each of which is known to be individually successful: a perceptually-motivated spectral shaper based on the Glimpse Proportion measure, dynamic range compression, and adaptation to Lombard excitation and duration patterns. We achieved substantial intelligibility improvements relative to unmodified synthetic speech: 4.9dB in competing speaker and 4.1dB in speech-shaped noise. An analysis conducted across this and other two similar evaluations shows that the spectral shaper and the compressor (both of which are loudness boosters) contribute most under higher SNR conditions, particularly for speech-shaped noise. Duration and excitation Lombard-adapted changes are more beneficial in lower SNR conditions, and for competing speaker noise.
Keyword (in Japanese) (See Japanese page) 
(in English) ntelligibility of speech in noise / HMM-based speech synthesis / Lombard speech / / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 76, SP2013-47, pp. 95-100, June 2013.
Paper # SP2013-47 
Date of Issue 2013-06-06 (SP, WIT) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 SP WIT  
Conference Date 2013-06-13 - 2013-06-14 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To SP 
Conference Code 2013-06-SP-WIT 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Combining perceptually-motivated spectral shaping with loudness and duration modification for intelligibility enhancement of HMM-based synthetic speech in noise 
Sub Title (in English)  
Keyword(1) ntelligibility of speech in noise  
Keyword(2) HMM-based speech synthesis  
Keyword(3) Lombard speech  
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1st Author's Name Cassia Valentini-Botinhao  
1st Author's Affiliation University of Edinburgh (Univ. of Edinburgh)
2nd Author's Name Junichi Yamagishi  
2nd Author's Affiliation National Institute of Informatics/University of Edinburgh (NII/Univ. of Edinburgh)
3rd Author's Name Simon King  
3rd Author's Affiliation University of Edinburgh (Univ. of Edinburgh)
4th Author's Name Yannis Stylianou  
4th Author's Affiliation Foundation of Research and Technology Hellas, Greece (FORTH, Greece)
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Date Time 2013-06-14 13:30:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # SP2013-47, WIT2013-17 
Volume (vol) vol.113 
Number (no) no.76(SP), no.77(WIT) 
Page pp.95-100 
#Pages
Date of Issue 2013-06-06 (SP, WIT) 


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