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Paper Abstract and Keywords
Presentation
A Study on the legibility of braille with wider interdot spaces than the standard
Tetsuya Watanabe, Susumu Oouchi (NISE) WIT2007-30
Abstract (in Japanese) (See Japanese page) 
(in English) Persons who acquired visual disability late in life sometimes find it easier to read enlarged braille rather than the standard-sized braille. Thus, we developed software which can print braille with variable interdot spaces. By using this software, we printed braille sheets with five kinds of interdot spaces and conducted an experiment to explore the relationship between the interdot spaces and legibility of braille with beginners in braille as subjects. Both objective and subjective data showed that (1) braille with wider interdot spaces than the Japanese standard-sized braille was easier to read, but (2) braille with too wide interdot spaces, such as Jumbo Braille, was difficult to read, therefore (3) the Japanese L-sized braille and braille with its neighboring sizes were appropriate for the beginners.
Keyword (in Japanese) (See Japanese page) 
(in English) Blind Persons / Braille / Interdot Spaces / Mental Workload / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 273, WIT2007-30, pp. 13-16, Oct. 2007.
Paper # WIT2007-30 
Date of Issue  
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 WIT2007-30

Conference Information
Committee WIT  
Conference Date 2007-10-19 - 2007-10-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To WIT 
Conference Code 2007-10-WIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on the legibility of braille with wider interdot spaces than the standard 
Sub Title (in English)  
Keyword(1) Blind Persons  
Keyword(2) Braille  
Keyword(3) Interdot Spaces  
Keyword(4) Mental Workload  
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1st Author's Name Tetsuya Watanabe  
1st Author's Affiliation National Institute of Special Needs Education (NISE)
2nd Author's Name Susumu Oouchi  
2nd Author's Affiliation National Institute of Special Needs Education (NISE)
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Speaker Author-1 
Date Time  
Presentation Time minutes 
Registration for WIT 
Paper # WIT2007-30 
Volume (vol) vol.107 
Number (no) no.273 
Page pp.13-16 
#Pages 4 
Date of Issue  

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