Methods for mitigating the vigilance decrement in an auditory sonar monitoring task: A research synthesis
Mots-clés :
Audio acoustics, Military operations, Signal detection, Target tracking, Ambient noise, Auditory sonar monitoring task, Operator vigilance, Vigilance decrementRésumé
Il est nécessaire que l’opérateur fasse preuve d’une attention ou d’une vigilance soutenues pour détecter les signaux critiques qui se produisent peu fréquemment et à des intervalles irréguliers sur une période prolongée. Le présent document examine certaines des méthodes permettant d’atténuer la baisse de vigilance durant une tâche auditive de surveillance sonar. Ces méthodes mettent en évidence des cibles sonar dans des situations où l’opérateur doit surveiller plusieurs affichages et prêter l’oreille à des sources sonores conflictuelles alors qu’il est exposé à des distractions et à du bruit ambiant. La mise en évidence des cibles devrait aider à maintenir l’efficacité de l’opérateur en augmentant le taux de détection et en diminuant la latence de détection des cibles sonar durant une tâche auditive. Il devrait en résulter une supériorité tactique de l’opérateur sonar dans la menace permanente de la guerre sous-marine.
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