Methods for mitigating the vigilance decrement in an auditory sonar monitoring task: A research synthesis

Authors

  • G. Robert Arrabito Individual Readiness Section, Defence R and D Canada - Toronto, 1133 Sheppard Avenue West, Toronto, ON M3M 3B9, Canada
  • Sharon M. Abel Individual Readiness Section, Defence R and D Canada - Toronto, 1133 Sheppard Avenue West, Toronto, ON M3M 3B9, Canada
  • Katie Lam Individual Readiness Section, Defence R and D Canada - Toronto, 1133 Sheppard Avenue West, Toronto, ON M3M 3B9, Canada

Keywords:

Audio acoustics, Military operations, Signal detection, Target tracking, Ambient noise, Auditory sonar monitoring task, Operator vigilance, Vigilance decrement

Abstract

Sustained attention or operator vigilance is required in the detection of critical signals that occur infrequently and at irregular intervals over a prolonged period. In this paper, we review some methods for mitigating the vigilance decrement for an auditory sonar monitoring task. These methods pertain to enhancing the saliency of sonar targets for situations when the operator may be required to monitor multiple displays, listen to competing sound sources, attend to distractions, and cope with ambient noise. Enhanced target saliency is expected to assist in maintaining operator efficiency via increasing detection rate and decreasing detection latency of auditory sonar targets. This should lead to tactical superiority of sonar operators in the continuing threat of underwater warfare.

Additional Files

Published

2007-12-01

How to Cite

1.
Robert Arrabito G, Abel SM, Lam K. Methods for mitigating the vigilance decrement in an auditory sonar monitoring task: A research synthesis. Canadian Acoustics [Internet]. 2007 Dec. 1 [cited 2024 Sep. 11];35(4):15-23. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1976

Issue

Vol. 35 No. 4 (2007)

Section

Technical Articles

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