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Paper Abstract and Keywords
Presentation 2014-12-19 14:50
A Study on Networked Multi-Channel Acoustic Echo Canceller
Atsushi Okada, Takayuki Nakachi, Satoru Emura, Tatsuya Fujii (NTT) SIS2014-90
Abstract (in Japanese) (See Japanese page) 
(in English) Multi-channel echo canceller is one of important ultra-realistic communication technologies to realize Network Supported Collaborative Work (NSCW). Previously, we proposed the multi-channel echo canceller to rapidly estimate echo paths from loudspeakers to microphones and evaluated its effectiveness via subjective evaluation. In this paper, we propose networked multi-channel acoustic echo canceller. The multi-channel acoustic echo canceller is worked on the cloud and only the input/output devices and AD/DA converter are required at the local sites. NSCW can be realized without additional specific software and hardware devices. However, in order to work stably, the problems such as jitter or delay caused by IP network need to be resolved. In this paper, we evaluate fundamental performance of the networked multi-channel acoustic echo canceller. Then we indicate issues to be solved and show its fundamental solutions.
Keyword (in Japanese) (See Japanese page) 
(in English) Network Supported Collaborative Work / Acoustic Echo Canceller / Ultra-Realistic Communication / Network / Cloud / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 370, SIS2014-90, pp. 131-136, Dec. 2014.
Paper # SIS2014-90 
Date of Issue 2014-12-11 (SIS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 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 SIS2014-90

Conference Information
Committee SIS  
Conference Date 2014-12-18 - 2014-12-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto Research Park (Kyoto City) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) System on Silicon, Short Distance Wireless Communication Application Systems, etc. 
Paper Information
Registration To SIS 
Conference Code 2014-12-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Networked Multi-Channel Acoustic Echo Canceller 
Sub Title (in English)  
Keyword(1) Network Supported Collaborative Work  
Keyword(2) Acoustic Echo Canceller  
Keyword(3) Ultra-Realistic Communication  
Keyword(4) Network  
Keyword(5) Cloud  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Atsushi Okada  
1st Author's Affiliation Nihon Telegraph and Telephone corporation (NTT)
2nd Author's Name Takayuki Nakachi  
2nd Author's Affiliation Nihon Telegraph and Telephone corporation (NTT)
3rd Author's Name Satoru Emura  
3rd Author's Affiliation Nihon Telegraph and Telephone corporation (NTT)
4th Author's Name Tatsuya Fujii  
4th Author's Affiliation Nihon Telegraph and Telephone corporation (NTT)
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Speaker Author-1 
Date Time 2014-12-19 14:50:00 
Presentation Time 30 minutes 
Registration for SIS 
Paper # SIS2014-90 
Volume (vol) vol.114 
Number (no) no.370 
Page pp.131-136 
#Pages 6 
Date of Issue 2014-12-11 (SIS) 

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