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Paper Abstract and Keywords
Presentation 2018-03-20 09:00
[Poster Presentation] Perceptual influence of spectral envelope and aperiodicity quantization for encoding high-quality speech
Genta Miyashita, Masanori Morise (Univ. of Yamanashi) EA2017-145 SIP2017-154 SP2017-128
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we investigate the relationship between the degradation of sound quality and the parameter quantization in analysis/synthesis of full--band speech using vocoder.
We have verified the coding by speech parameters as an approach for high--quality speech coding.
A subjective evaluation by MUSHRA was carried out to verify the threshold that the listener cannot perceive the degradation.
Experimental results showed that the thresholds of spectral envelope and aperiodicity were 14 and 3 bit, respectively.
Since the proposed quantization was performed with a considerably wide range, the obtained thresholds are useful in all kinds of speech to synthesize speech without degradation.
Keyword (in Japanese) (See Japanese page) 
(in English) speech analysis/synthesis / quantization / sound quality / spectral envelope / aperiodicity / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 517, SP2017-128, pp. 241-244, March 2018.
Paper # SP2017-128 
Date of Issue 2018-03-12 (EA, SIP, SP) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EA2017-145 SIP2017-154 SP2017-128

Conference Information
Committee SIP EA SP MI  
Conference Date 2018-03-19 - 2018-03-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Speech, Engineering/Electro Acoustics, Signal Processing, and Related Topics [SIP, EA, SP]/ Medical Image Engineering, Analysis, Recognition, etc. [MI] 
Paper Information
Registration To SP 
Conference Code 2018-03-SIP-EA-SP-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Perceptual influence of spectral envelope and aperiodicity quantization for encoding high-quality speech 
Sub Title (in English)  
Keyword(1) speech analysis/synthesis  
Keyword(2) quantization  
Keyword(3) sound quality  
Keyword(4) spectral envelope  
Keyword(5) aperiodicity  
1st Author's Name Genta Miyashita  
1st Author's Affiliation University of Yamanashi (Univ. of Yamanashi)
2nd Author's Name Masanori Morise  
2nd Author's Affiliation University of Yamanashi (Univ. of Yamanashi)
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Date Time 2018-03-20 09:00:00 
Presentation Time 90 
Registration for SP 
Paper # IEICE-EA2017-145,IEICE-SIP2017-154,IEICE-SP2017-128 
Volume (vol) IEICE-117 
Number (no) no.515(EA), no.516(SIP), no.517(SP) 
Page pp.241-244 
#Pages IEICE-4 
Date of Issue IEICE-EA-2018-03-12,IEICE-SIP-2018-03-12,IEICE-SP-2018-03-12 

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