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Paper Abstract and Keywords
Presentation 2013-05-17 10:10
An occlusion reduction method for hearing aids using adaptive filter
Masahiro Sunohara, Keisuke Watanuki, Makoto Tateno (Rion)
Abstract (in Japanese) (See Japanese page) 
(in English) The occlusion effect is one of the critical issues for hearing impaired persons wearing the hearing aids. Many people complain that they sound hollow or occluded feeling due to the occlusion effect. This phenomenon occurs when a hearing aid completely fills one's ear canal. The occlusion effects are usually reduced by using a small pipe in the hearing aid, which vents between inside the canal and external air. However, the risk for occurring oscillation due to acoustic feedback will be higher in proportion to the size of internal diameter of the pipe. In this report, a system based on the Active Noise Control technique in order to reduce the occlusion effect is proposed. From the results of the simulation, we found that the occluded sound is reduced about 15 to 20 dB at 300 Hz.
Keyword (in Japanese) (See Japanese page) 
(in English) hearing aids / hearing impared / occlusion / adaptive filter / ANC / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 27, EA2013-16, pp. 91-96, May 2013.
Paper # EA2013-16 
Date of Issue 2013-05-09 (EA, SIP, SP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee SP EA SIP  
Conference Date 2013-05-16 - 2013-05-17 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Speech and Acoustic Signal Processing, Speech, and Related Topics 
Paper Information
Registration To EA 
Conference Code 2013-05-SP-EA-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An occlusion reduction method for hearing aids using adaptive filter 
Sub Title (in English)  
Keyword(1) hearing aids  
Keyword(2) hearing impared  
Keyword(3) occlusion  
Keyword(4) adaptive filter  
Keyword(5) ANC  
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1st Author's Name Masahiro Sunohara  
1st Author's Affiliation Rion CO.,LTD. (Rion)
2nd Author's Name Keisuke Watanuki  
2nd Author's Affiliation Rion CO.,LTD. (Rion)
3rd Author's Name Makoto Tateno  
3rd Author's Affiliation Rion CO.,LTD. (Rion)
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Speaker
Date Time 2013-05-17 10:10:00 
Presentation Time 25 
Registration for EA 
Paper # IEICE-EA2013-16,IEICE-SIP2013-16,IEICE-SP2013-16 
Volume (vol) IEICE-113 
Number (no) no.27(EA), no.28(SIP), no.29(SP) 
Page pp.91-96 
#Pages IEICE-6 
Date of Issue IEICE-EA-2013-05-09,IEICE-SIP-2013-05-09,IEICE-SP-2013-05-09 


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