Audio or tactile feedback: which modality when?

Hoggan, E., Crossan, A., Brewster, S.A. and Kaaresoja, T. (2009) Audio or tactile feedback: which modality when? In: 27th International Conference on Human Factors in Computing Systems (CHI 09), Boston, USA, 4-9 Apr 2009, ISBN 9781605582467 (doi:10.1145/1518701.1519045)

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When designing interfaces for mobile devices it is import-ant to take into account the variety of contexts of use. We present a study that examines how changing noise and dis-turbance in the environment affects user performance in a touchscreen typing task with the interface being presented through visual only, visual and tactile, or visual and audio feedback. The aim of the study is to show at what exact environmental levels audio or tactile feedback become inef-fective. The results show significant decreases in perform-ance for audio feedback at levels of 94dB and above as well as decreases in performance for tactile feedback at vibration levels of 9.18g/s. These results suggest that at these levels, feedback should be presented by a different modality. These findings will allow designers to take advantage of sensor enabled mobile devices to adapt the provided feed-back to the user's current context.

Item Type:Conference Proceedings
Glasgow Author(s) Enlighten ID:Brewster, Professor Stephen and Crossan, Dr Andrew
Authors: Hoggan, E., Crossan, A., Brewster, S.A., and Kaaresoja, T.
Subjects:Q Science > QA Mathematics > QA75 Electronic computers. Computer science
College/School:College of Science and Engineering > School of Computing Science
Publisher:ACM Press

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
457653GAIME-gestural and audio interactions for mobile environmentsStephen BrewsterEngineering & Physical Sciences Research Council (EPSRC)EP/F023405/1Computing Science