Abstract
Investigations of the physiological psychological responses to impulsive acoustic stimuli and to sonic booms at the intensities anticipated from commercial supersonic aircraft have been conducted in the laboratory. Studies of interest include those concerned with (a) the relative subjective noisiness and loudness of booms having different wavefronts; (b) the reactions of people to booms as an auditory experience (subjective rating of booms versus other acoustical stimuli); (c) startle reactions to acoustic stimuli; and (d) arousal from sleep by acoustic stimuli. The methods and results of pertinent laboratory experiments are discussed.

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