Journal Article

Determining the Efficacy of Multi-Parameter Tactons in the Presence of Real-world and Simulated Audio Distractors

Huimin Qian, Ravi Kuber, Andrew Sears and Elizabeth Stanwyck

in Interacting with Computers

Published on behalf of British Computer Society

Volume 26, issue 6, pages 572-594
Published in print November 2014 | ISSN: 0953-5438
Published online November 2013 | e-ISSN: 1873-7951 | DOI: https://dx.doi.org/10.1093/iwc/iwt054
Determining the Efficacy of Multi-Parameter Tactons in the Presence of Real-world and Simulated Audio Distractors

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This paper describes two studies that examine the ways in which parameters of touch can be manipulated to support human–mobile interaction, providing designers with greater awareness regarding the range of tactile icons (tactons) for integration with interfaces. The first study examined the efficacy of presenting tactons via low-cost eccentric rotating motor vibration technologies, often used in the design of wearable interfaces. Findings highlight the role of intensity in supporting tactile recognition as well as the impact of duration, interval, and intensity on task time. In our second study, we build on these results by comparing the impact of simulated and real-world auditory distractors on the perception of four parameter tactons. Findings indicate the negative effects of realistic ambient sounds on recognition accuracy, time taken and cognitive workload, but the results also indicate that some tactile designs (e.g. those encoded with stronger intensities) better resist the effects of these auditory distractions. Our research suggests that mobile devices should be evaluated under real-world scenarios to ensure that tactile feedback presented via a mobile device meets the needs of mobile users.

Keywords: haptic devices; mobile devices; empirical studies in accessibility; universal access

Journal Article.  12345 words.  Illustrated.

Subjects: Human-Computer Interaction

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