Show sound film in reverse eases report of shot ilow how the sensitivity of the human ear may be changed instantly and radically is demonstrated by a sound film recording of a revolver shot says colliers Collier ls when the film is run forward the loud report makes akes the ears insensitive to other sound waves that follow with decreasing intensity when the film is run in ih reverse only a soft swish is heard because these sound waves successively increase crease in intensity and so condition the ears in a split second that the report itself is not detectable |