SNOUT: one-handed use of capacitive touch devices

  • Authors:
  • Adam Zarek;Daniel Wigdor;Karan Singh

  • Affiliations:
  • University of Toronto;University of Toronto;University of Toronto

  • Venue:
  • Proceedings of the International Working Conference on Advanced Visual Interfaces
  • Year:
  • 2012

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Abstract

SNOUT is a novel interface overlay designed for occasional no-hand or one-handed use of handheld capacitive touch devices. Inspired by the desire to use these devices in scenarios where visually focused bimanual input is awkward, we performed a pair of studies intended to evaluate the potential of the nose to provide touch input. These studies influenced our design principles, resulting in the construction of a 'nose mode' which enables object selection, continuous parameter control, and speech-based text entry. Selection is accomplished via a nose tap, using a colour overlay and peripheral colour feedback to correct mistakes. The other two techniques are activated by a nose tap, but use the accelerometer to control parameters and speech-to-text for text entry. An evaluation of SNOUT shows it to effectively render handheld capacitive touch devices operational in scenarios where they are presently unusable.