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Paper Abstract and Keywords
Presentation 2018-10-27 16:25
Investigation of a hearing aid processing based on an adaptive compression of audible spectral peaks.
Takehiro Ueda, Takasuke Kinoshita, Tadashi Sakata, Akira Watanabe, Yuichi Ueda (Kumamoto Univ.) SP2018-37 WIT2018-25
Abstract (in Japanese) (See Japanese page) 
(in English) If the transmission of formant information in speech signal is disturbed by hearing loss, speech articulation decreases. Therefore, we proposed a formant decomposition type of hearing aid method, which selectively amplifies speech formants into his/her audible range using the extracted formant frequencies. However, this method is limited to speech signal with formant. In this study, we propose a new hearing aid method based on an adaptive compression of audible spectral peaks, which extends the idea of selective compression of higher-level bands like formants to non-speech signal. In this paper, we explain the principle of the proposed spectral compression method and then show compression examples using this method using some kinds of signals. We confirmed that the proposed method is able to compress harmonic components of musical tones as well as speech formants and to produce speech with less sound quality degradation.
Keyword (in Japanese) (See Japanese page) 
(in English) Hearing aid / Formant / Spectrum compression / Least Squares Approximation / Weighted spectrum / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 269, SP2018-37, pp. 25-30, Oct. 2018.
Paper # SP2018-37 
Date of Issue 2018-10-20 (SP, WIT) 
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)
Download PDF SP2018-37 WIT2018-25

Conference Information
Committee WIT SP  
Conference Date 2018-10-27 - 2018-10-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Institute of Technology(Kitakyushu) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SP 
Conference Code 2018-10-WIT-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation of a hearing aid processing based on an adaptive compression of audible spectral peaks. 
Sub Title (in English)  
Keyword(1) Hearing aid  
Keyword(2) Formant  
Keyword(3) Spectrum compression  
Keyword(4) Least Squares Approximation  
Keyword(5) Weighted spectrum  
1st Author's Name Takehiro Ueda  
1st Author's Affiliation Kumamoto University (Kumamoto Univ.)
2nd Author's Name Takasuke Kinoshita  
2nd Author's Affiliation Kumamoto University (Kumamoto Univ.)
3rd Author's Name Tadashi Sakata  
3rd Author's Affiliation Kumamoto University (Kumamoto Univ.)
4th Author's Name Akira Watanabe  
4th Author's Affiliation Kumamoto University (Kumamoto Univ.)
5th Author's Name Yuichi Ueda  
5th Author's Affiliation Kumamoto University (Kumamoto Univ.)
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Date Time 2018-10-27 16:25:00 
Presentation Time 25 
Registration for SP 
Paper # IEICE-SP2018-37,IEICE-WIT2018-25 
Volume (vol) IEICE-118 
Number (no) no.269(SP), no.270(WIT) 
Page pp.25-30 
#Pages IEICE-6 
Date of Issue IEICE-SP-2018-10-20,IEICE-WIT-2018-10-20 

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