Detecting vibrations across the body in mobile contexts

Authors:
Idin Karuei;Karon E. MacLean;Zoltan Foley-Fisher;Russell MacKenzie;Sebastian Koch;Mohamed El-Zohairy
Affiliations:
University of British Columbia, Vancouver, British Columbia, Canada;University of British Columbia, Vancouver, British Columbia, Canada;University of British Columbia, Vancouver, British Columbia, Canada;University of British Columbia, Vancouver, British Columbia, Canada;Technische Universität Darmstadt, Darmstadt, Germany;University of British Columbia, Vancouver, British Columbia, Canada
Venue:
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Year:
2011

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Abstract

In this paper we explore the potential and limitations of vibrotactile displays in practical wearable applications, by comparing users' detection rate and response time to stimuli applied across the body in varied conditions. We examined which body locations are more sensitive to vibrations and more affected by movement; whether visual workload, expectation of location, or gender impact performance; and if users have subjective preferences to any of these conditions. In two experiments we compared these factors using five vibration intensities on up to 13 body locations. Our contributions are comparisons of tactile detection performance under conditions typifying mobile use, an experiment design that supports further investigation in vibrotactile communication, and guidelines for optimal display location given intended use.