Patent ID: 6974421

Claim:
An auditory screening device, comprising: a portable hand-held enclosure; a signal processor housed by said enclosure, said signal processor configured with a computer program operated on command by a user to produce one or more auditory tests and associated stimulus signals selected from a group comprising otoacoustic auditory emission test procedures, auditory brainstem response test procedures, tympanometry, and otoreflectance for a test subject; a memory module housed by said hand-held enclosure, said memory module operatively connected to said signal processor and configured to maintain at least one test subject record; a display device mounted to said enclosure, said display device being operatively connected to said signal processor for displaying results of a selected auditory test in real time; a probe connection point on said enclosure, said probe connection point being operatively connected to said signal processor; a power supply; and wherein said signal processor is configured to perform a time domain sum and average over time for detecting otoacoustic auditory emission signals using an offset frame overlap method.