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Paper Abstract and Keywords
Presentation 2017-03-21 13:00
A communication system of bone conduction devices for improvement of acoustical environment in MRI examination
Kojiro Takahashi, Kenji Muto (Shibaura Inst. Tech), Kazuo Yagi (Tokyo Metro. Univ.) SSS2016-31
Abstract (in Japanese) (See Japanese page) 
(in English) Magnetic resonance imaging(MRI) device makes tomography for medical diagnosis. It generates a loud driving sound. A communication system using a bone conduction microphone and the speaker was proposed by us. The communication quality decreases because of two kinds of noise. One is acoustic echo by bone conduction speaker, and the other is vibration by MRI driving sound. We propose a quality improvement technique that an acoustic echo canceller considering fast velocity of vibration propagation and a shielding of the microphone. This paper showed that the communication quality of the bone conduction microphone improves by the proposal technique.
Keyword (in Japanese) (See Japanese page) 
(in English) MRI device / Driving sound / Bone conduction communication / Acoustic echo canceller / Noise control / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 530, SSS2016-31, pp. 1-4, March 2017.
Paper # SSS2016-31 
Date of Issue 2017-03-14 (SSS) 
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)
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Conference Information
Committee SSS  
Conference Date 2017-03-21 - 2017-03-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To SSS 
Conference Code 2017-03-SSS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A communication system of bone conduction devices for improvement of acoustical environment in MRI examination 
Sub Title (in English)  
Keyword(1) MRI device  
Keyword(2) Driving sound  
Keyword(3) Bone conduction communication  
Keyword(4) Acoustic echo canceller  
Keyword(5) Noise control  
1st Author's Name Kojiro Takahashi  
1st Author's Affiliation Shibaura Institute of Technology (Shibaura Inst. Tech)
2nd Author's Name Kenji Muto  
2nd Author's Affiliation Shibaura Institute of Technology (Shibaura Inst. Tech)
3rd Author's Name Kazuo Yagi  
3rd Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
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Speaker Author-1 
Date Time 2017-03-21 13:00:00 
Presentation Time 40 minutes 
Registration for SSS 
Paper # SSS2016-31 
Volume (vol) vol.116 
Number (no) no.530 
Page pp.1-4 
Date of Issue 2017-03-14 (SSS) 

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