Virtual Visual and Auditory Display Aids for a Peg Insertion Task

Abstract

Effects of visual and auditory display enhancements to a pick-and-place task performed in an immersive virtual environment were evaluated to determine whether the enhancements may replace depth information provided by stereoscopic visual displays. Participants used a commercial head-mounted display, spatial trackers on the head and hand, and a control wand. Independent variables included biocular or stereo viewing, movement amplitude, target diameter, and audio or visual enhancements. Dependent variables were movement time and number of discrete movements required to complete the task. Results indicated the stereo display and the display enhancements provided no performance advantages over the biocular display for the easier task conditions. Further, visual and auditory enhancements to the biocular display were found that resulted in performance that was not different from using stereoscopic displays. Implications of the results are discussed.

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