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Proceedings Paper

Aurally aided visual search performance in a dynamic environment
Author(s): John P. McIntire; Paul R. Havig; Scott N. J. Watamaniuk; Robert H. Gilkey
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Paper Abstract

Previous research has repeatedly shown that people can find a visual target significantly faster if spatial (3D) auditory displays direct attention to the corresponding spatial location. However, previous research has only examined searches for static (non-moving) targets in static visual environments. Since motion has been shown to affect visual acuity, auditory acuity, and visual search performance, it is important to characterize aurally-aided search performance in environments that contain dynamic (moving) stimuli. In the present study, visual search performance in both static and dynamic environments is investigated with and without 3D auditory cues. Eight participants searched for a single visual target hidden among 15 distracting stimuli. In the baseline audio condition, no auditory cues were provided. In the 3D audio condition, a virtual 3D sound cue originated from the same spatial location as the target. In the static search condition, the target and distractors did not move. In the dynamic search condition, all stimuli moved on various trajectories at 10 deg/s. The results showed a clear benefit of 3D audio that was present in both static and dynamic environments, suggesting that spatial auditory displays continue to be an attractive option for a variety of aircraft, motor vehicle, and command & control applications.

Paper Details

Date Published: 18 April 2008
PDF: 10 pages
Proc. SPIE 6955, Head- and Helmet-Mounted Displays XIII: Design and Applications, 69550I (18 April 2008); doi: 10.1117/12.773367
Show Author Affiliations
John P. McIntire, General Dynamics Advanced Information Systems (United States)
Paul R. Havig, Air Force Research Lab. (United States)
Scott N. J. Watamaniuk, Wright State Univ. (United States)
Robert H. Gilkey, Wright State Univ. (United States)


Published in SPIE Proceedings Vol. 6955:
Head- and Helmet-Mounted Displays XIII: Design and Applications
Randall W. Brown; Peter L. Marasco; Thomas H. Harding; Sion A. Jennings, Editor(s)

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