A Bone Conduction Based Spatial Auditory Display as Part of a Wearable Hybrid Interface
Helton, William S.
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Attention redirection trials were carried out using a wearable interface incorporating auditory and visual cues. Visual cues were delivered via the screen on the Recon Jet - a wearable computer resembling a pair of glasses - while auditory cues were delivered over a bone conduction headset. Cueing conditions included the delivery of individual cues, both auditory and visual, and in combination with each other. Results indicate that the use of an auditory cue drastically decreases target acquisition times. This is true especially for targets that fall outside the visual field of view. While auditory cues showed no difference when paired with any of the visual cueing conditions for targets within the field of view of the user, for those outside the field of view a significant improvement in performance was observed. The static visual cue paired with the binaurally spatialised, dynamic auditory cue appeared to provide the best performance in comparison to any other cueing conditions. In the absence of a visual cue, the binaurally spatialised, dynamic auditory cue performed the best.