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The Development and Evaluation of an Eyes-Free Interaction Model for Mobile Reading Devices

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3 Author(s)
Keefer, R. ; Wright State Univ., Dayton, OH, USA ; Yan Liu ; Bourbakis, N.

Research into eyes-free mobile reading devices has grown in recent years. This research has focused mainly on the image processing required by such a device, with a lower emphasis on the user interaction. In this paper, a model of a voice user interface (VUI) for a mobile reading device is presented. Three field studies with blind participants were conducted to develop and refine the model. A formal grammar is used to describe the VUI, and a stochastic Petri net was developed to model the complete user-device interaction. Evaluation and analysis of the user testing of a prototype led to empirically derived probabilities of grammar token usage for the commands that comprise the VUI.

Published in:

Human-Machine Systems, IEEE Transactions on  (Volume:43 ,  Issue: 1 )

Date of Publication:

Jan. 2013

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