Abstract
The assessment of the ability of a talker to communicate with other persons, under given conditions, is normally accomplished by means of speech intelligibility testing. The resultant scores, however, do not provide any quantification of how well the communicating individuals performed the task at hand. An experiment was conducted in which professional military crews operated a tank simulator at five levels of speech intelligibility ranging from very good to extremely poor. Measures such as time to drive to an engagement location, number of targets hit, time to perform the entire mission, etc., were obtained. The results of this study will serve as a first step for establishing more realistic acoustical limits for military systems, guide the design of improved communication systems, and assist operations analysts in better defining war gaming parameters.
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