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Paper Abstract and Keywords
Presentation 2010-07-16 17:00
Speech Enhancement for Hearing Aids Motivated by Auditory Scene Analysis
Masahiro Sunohara, Kiyoaki Terada, Takatoshi Okuno, Takashi Iwakura (RION)
Abstract (in Japanese) (See Japanese page) 
(in English) Hearing-impaired people have difficulties communicating with others even if they wear their hearing aids, especially in a noisy environment. In contrast, normal hearing people have an instinct ability to segregate complexly-mixed sound naturally. The ability has been summarized as the basis of psychoacoustical knowledges called Auditory Scene Analysis (ASA). According to the theory of ASA, fundamental frequency (F0) and its harmonic components are one of the most significant cues to segregate any mixed sound. In this report, a method of speech enhancement for hearing aids is proposed, which is motivated by the concept of the ASA. The method consists of an extraction of F0 from voiced sound and a flexible time-variant comb filter. The results of evaluation showed that the word intelligibility scores were slightly improved under noisy conditions.
Keyword (in Japanese) (See Japanese page) 
(in English) hearing impairment / auditory scene analysis / speech enhancement / F0 / comb filter / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 131, EA2010-42, pp. 25-30, July 2010.
Paper # EA2010-42 
Date of Issue 2010-07-09 (EA) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee EA  
Conference Date 2010-07-16 - 2010-07-16 
Place (in Japanese) (See Japanese page) 
Place (in English) RION Co., Ltd. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General Topics 
Paper Information
Registration To EA 
Conference Code 2010-07-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Speech Enhancement for Hearing Aids Motivated by Auditory Scene Analysis 
Sub Title (in English)  
Keyword(1) hearing impairment  
Keyword(2) auditory scene analysis  
Keyword(3) speech enhancement  
Keyword(4) F0  
Keyword(5) comb filter  
1st Author's Name Masahiro Sunohara  
1st Author's Affiliation RION CO., LTD. (RION)
2nd Author's Name Kiyoaki Terada  
2nd Author's Affiliation RION CO., LTD. (RION)
3rd Author's Name Takatoshi Okuno  
3rd Author's Affiliation RION CO., LTD. (RION)
4th Author's Name Takashi Iwakura  
4th Author's Affiliation RION CO., LTD. (RION)
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Date Time 2010-07-16 17:00:00 
Presentation Time 30 
Registration for EA 
Paper # IEICE-EA2010-42 
Volume (vol) IEICE-110 
Number (no) no.131 
Page pp.25-30 
#Pages IEICE-6 
Date of Issue IEICE-EA-2010-07-09 

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