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Paper Abstract and Keywords
Presentation 2009-01-16 16:00
Study on Relationship between Tolerances of Presentation Delay and Screen Transition Methods
Ai Nakane, Kiyoshi Tanaka, Shunichi Yonemura, Suguru Higashino, Yoko Asano (NTT Cyber Solutions Lab.) CQ2008-71
Abstract (in Japanese) (See Japanese page) 
(in English) IPTV, and indeed digital TV, suffers from perceptible delays when the channel is switched (zapped). This paper tackles the user's discomfort caused by this waiting time. We start with a psychological evaluation of user reaction to the delay and follow that with the development of a method of interim screen alteration to minimize the subjective delay.
An extensive experiment in the laboratory examined the impact of various screen effects on the subjective delay as recorded by 20 subjects. The experiment showed that users were most comfortable when the screen display exhibited a noticeable change upon zapping followed by the display of a text description of the contents of the next program. The desired channel is shown when it is received and decoded. In addition, experimental results suggested that the amount of text information presented ahead of the desired channel should be reflected the time for which it is shown to the user.
Keyword (in Japanese) (See Japanese page) 
(in English) Zapping / Waiting Time / IPTV / Digital TV / Discomfort / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 378, CQ2008-71, pp. 63-68, Jan. 2009.
Paper # CQ2008-71 
Date of Issue 2009-01-08 (CQ) 
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)
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Conference Information
Committee MVE CQ  
Conference Date 2009-01-15 - 2009-01-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyazaki Seagaia Resort 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Multimodal Quality, Communication Design in Virtual World, etc. 
Paper Information
Registration To CQ 
Conference Code 2009-01-MVE-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Relationship between Tolerances of Presentation Delay and Screen Transition Methods 
Sub Title (in English)  
Keyword(1) Zapping  
Keyword(2) Waiting Time  
Keyword(3) IPTV  
Keyword(4) Digital TV  
Keyword(5) Discomfort  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Ai Nakane  
1st Author's Affiliation NTT Cyber Solutions Laboratories (NTT Cyber Solutions Lab.)
2nd Author's Name Kiyoshi Tanaka  
2nd Author's Affiliation NTT Cyber Solutions Laboratories (NTT Cyber Solutions Lab.)
3rd Author's Name Shunichi Yonemura  
3rd Author's Affiliation NTT Cyber Solutions Laboratories (NTT Cyber Solutions Lab.)
4th Author's Name Suguru Higashino  
4th Author's Affiliation NTT Cyber Solutions Laboratories (NTT Cyber Solutions Lab.)
5th Author's Name Yoko Asano  
5th Author's Affiliation NTT Cyber Solutions Laboratories (NTT Cyber Solutions Lab.)
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Speaker Author-1 
Date Time 2009-01-16 16:00:00 
Presentation Time 30 minutes 
Registration for CQ 
Paper # CQ2008-71 
Volume (vol) vol.108 
Number (no) no.378 
Page pp.63-68 
#Pages 6 
Date of Issue 2009-01-08 (CQ) 

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