A touch sensitive user interface approach on smartphones for visually impaired and blind persons

Authors:
Elmar Krajnc;Mathias Knoll;Johannes Feiner;Mario Traar
Affiliations:
FH JOANNEUM, Internet Technology, Kapfenberg, Austria;FH JOANNEUM, Internet Technology, Kapfenberg, Austria;FH JOANNEUM, Internet Technology, Kapfenberg, Austria;FH JOANNEUM, Internet Technology, Kapfenberg, Austria
Venue:
USAB'11 Proceedings of the 7th conference on Workgroup Human-Computer Interaction and Usability Engineering of the Austrian Computer Society: information Quality in e-Health
Year:
2011

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Abstract

This paper presents a user interface concept for touch screens which enables visually impaired or blind people to control applications. More and more people tend to switch to advanced smart phones with touch screen technology. So do blind people in order to have a powerful computer in their hands to support them. Unfortunately, a touch interface is not as easy to control as classical hardware buttons with a fixed location and haptic feedback. With advanced frameworks it should be possible to modify applications in a way to support the usage of touch screens for the visually impaired. The suggested new solution for Android mobile phones is to provide specialised ”talking touch” views, such as a ”talking touch list”, which allow fast input with audio feedback. An early prototype version showed an already promising positive response on first usability studies with the target group.