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AUDIO WARNING SIGNALS FOR AIR FORCE WEAPON SYSTEMS
BOLT BERANEK AND NEWMAN INC CAMBRIDGE MASS
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This report presents technical information on the design, selection, and use of audio warning signals. It describes a procedure for specifying the acoustical characteristics of warning signals required to meet the exigencies and conditions expected for a given Air Force system, whether it be ground-based, airborne, or spaceborne. The procedure brings together the several applicable design criteria, the constraints imposed by the system, and the conditions under which the system must operate. The procedure then sets those considerations into interaction with characteristics of human sensation, perception, and reaction and from that interaction determines the acoustical specifications of the warning signals. A magnetic tape recording illustrates the procedure and provides an auditory display of the dimensional system in terms of which the warning signals are specified. Author
APPROVED FOR PUBLIC RELEASE