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Speech-Based Controls in Simulated Air Battle Management

This experiment evaluated speech-based controls as an aid for Airborne Warning and Control System (AWACS) operators performing simulated Battle Management Command and Control tasks. Twelve AWACS operators were required to track a package of fighter aircraft, receive verbal target changes, and pass the verbal changes to the lead fighter aircraft in a simulated battlefield air interdiction environment. The availability of speech controls for selected human-machine interface manipulation tasks was varied. The participants' mission performance, mental workload, opinions, and real-time control modality preferences were recorded. The results strongly supported the application of speech-based controls in the AWACS interface.