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Paper Abstract and Keywords
Presentation 2009-11-12 10:05
A High Quality Speech Transmission System for Relay Broadcasting
Kei Kikuiri, Kosuke Tsujino, Nobuhiko Naka (NTT DOCOMO) MoMuC2009-41
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes the outline and the characterization test results of a high quality speech transmission system which the authors have developed for the relay broadcasting. This system utilizes the VoIP (Voice over Internet Protocol) technology over cellular networks to transmit super-wideband speech signal sampled at 22.05 kHz. Its characterization test results over several kinds of communication channels shows that the system achieved the end-to-end delay of 400-500 ms by selecting appropriate communication channels. The system enables a live broadcasting anywhere because of a small, lightweight equipment and the use of existing mobile phone networks. These features can realize such applications of emergency news report and simple live remote.
Keyword (in Japanese) (See Japanese page) 
(in English) Speech Transmission for Relay Broadcasting / Super-Wideband Speech / VoIP / End-toEnd Delay / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, Nov. 2009.
Paper #  
Date of Issue 2009-11-05 (MoMuC) 
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 MoMuC2009-41

Conference Information
Committee MoNA IN  
Conference Date 2009-11-12 - 2009-11-13 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukuoka Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Home Network, Ubiquitous Network, Context Aware, E-Commerce, etc. 
Paper Information
Registration To MoNA 
Conference Code 2009-11-MoMuC-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A High Quality Speech Transmission System for Relay Broadcasting 
Sub Title (in English)  
Keyword(1) Speech Transmission for Relay Broadcasting  
Keyword(2) Super-Wideband Speech  
Keyword(3) VoIP  
Keyword(4) End-toEnd Delay  
Keyword(5)  
Keyword(6)  
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Keyword(8)  
1st Author's Name Kei Kikuiri  
1st Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
2nd Author's Name Kosuke Tsujino  
2nd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
3rd Author's Name Nobuhiko Naka  
3rd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
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Speaker Author-1 
Date Time 2009-11-12 10:05:00 
Presentation Time 25 minutes 
Registration for MoNA 
Paper # MoMuC2009-41 
Volume (vol) vol.109 
Number (no) no.277 
Page pp.13-16 
#Pages 4 
Date of Issue 2009-11-05 (MoMuC) 

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