Multimodal 'Eyes-Free' Interaction Techniques for Wearable Devices (2003)
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BibTeX
@INPROCEEDINGS{Brewster03multimodal'eyes-free',
author = {Stephen Brewster and Joanna Lumsden and Marek Bell and Malcolm Hall and Stuart Tasker},
title = {Multimodal 'Eyes-Free' Interaction Techniques for Wearable Devices},
booktitle = {},
year = {2003},
pages = {473--480},
publisher = {ACM Press}
}
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Abstract
www.dcs.gla.ac.uk/~stephen Mobile and wearable computers present input/output problems due to limited screen space and interaction techniques. When mobile, users typically focus their visual attention on navigating their environment- making visually demanding interface designs hard to operate. This paper presents two multimodal interaction techniques designed to overcome these problems and allow truly mobile, ‘eyes-free ’ device use. The first is a 3D audio radial pie menu that uses head gestures for selecting items. An evaluation of a range of different audio designs showed that egocentric sounds reduced task completion time, perceived annoyance, and allowed users to walk closer to their preferred walking speed. The second is a sonically enhanced 2D gesture recognition system for use on a belt-mounted PDA. An evaluation of the system with and without audio feedback showed users ’ gestures were more accurate when dynamically guided by audio-feedback. These novel interaction techniques demonstrate effective alternatives to visual-centric interface designs on mobile devices.
