Telling Time by Vibration

Authors:
Sampo Töyssy;Jukka Raisamo;Roope Raisamo
Affiliations:
Tampere Unit for Computer-Human Interaction (TAUCHI) Department of Computer Sciences, University of Tampere, Finland FIN-33014;Tampere Unit for Computer-Human Interaction (TAUCHI) Department of Computer Sciences, University of Tampere, Finland FIN-33014;Tampere Unit for Computer-Human Interaction (TAUCHI) Department of Computer Sciences, University of Tampere, Finland FIN-33014
Venue:
EuroHaptics '08 Proceedings of the 6th international conference on Haptics: Perception, Devices and Scenarios
Year:
2008

Citing 2
Cited 2

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WHC '05 Proceedings of the First Joint Eurohaptics Conference and Symposium on Haptic Interfaces for Virtual Environment and Teleoperator Systems
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CHI '06 Extended Abstracts on Human Factors in Computing Systems

Psychophysical model for vibrotactile rendering in mobile devices

Presence: Teleoperators and Virtual Environments
The design and field observation of a haptic notification system for timing awareness during oral presentations

Proceedings of the SIGCHI Conference on Human Factors in Computing Systems

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Abstract

Touch is acknowledged as an important and often underutilized sense in human-computer interaction. In this study a method to present time with vibrotactile pulse sequences was developed and tested. The study answers two questions, namely how to communicate the time with vibrotactile signals only, and how can people understand the signals with and without training? Two experiments were conducted to reveal how accurately people can read time from simple sequences of vibration, and how training affects the recognition rate. It was found that the average recognition rate for untrained participants was 80% while a short training increased it to 88%. Generally, minute part in the vibrotactile sequence caused most errors both with and without practice compared to hour part.