Abstract: The invention is directed to a method of generating and measuring transiently evoked otoacoustic emissions (TEOAE) acoustic signals generated in the cochlea using a scheme of stimulating both inner ears simultaneously, left ear alone, and right ears alone with at least two different first and second averaging buffers per ear in a switching scheme with automated detection of contralateral suppression of TEOAE via statistical analysis of the differences of suppressed and unsuppressed responses.

Abstract: A method and apparatus is disclosed that performs a measurement of the acoustic reflex. In contrast to prior art, more than one probe tone is used simultaneously to detect the acoustic reflex and separate the reflex response from artifacts. In a preferred configuration, at least one probe tone frequency is selected to be higher than the middle ear resonance frequency.

Abstract: A method of generating and measuring transiently evoked otoacoustic emissions (TEOAE) acoustic signals generated in the cochlea using a scheme of stimulating both ears simultaneously and one of each ears in a switching scheme with automated detection of contralateral suppression of TEOAE via statistical analysis of suppressed and unsuppressed responses.

Abstract: A method to reduce DPOAE fine structure in the measurement of DPOAE acoustic signals generated in the cochlea in response to two primary tones.

Abstract: A method of generating and measuring transiently evoked otoacoustic emissions (TEOAE) acoustic signals generated in the cochlea using automated detection to determine contralateral suppression of TEOAE via statistical analysis of suppressed and unsuppressed responses.

Abstract: A reversible electric motor driven pump mounted within a housing with one end in communication and seals with the ear canal when inserted therein has a drive shall employing pump controls operably associated with the electric motor to selectively control the start, stop, operating speed, position and direction of the drive shaft in either a clockwise or counterclockwise direction to drive a rotating gear with lever structure configured to reciprocate when driven by the drive shaft to selectively compress the bellows and piston forcing air through a port to create positive pressure is the ear canal in one mode, and expand the bellows and harmonic piston to withdraw air from the ear canal and create negative pressure therein in another mode.

Abstract: A method to reduce DPOAE fine structure in the measurement of DPOAE acoustic signals generated in the cochlea in response to two primary tones.

Abstract: An illuminated acoustical stimulation ear probe with outer ear illumination and a probe-fit status indicator.

Abstract: An illuminated acoustical stimulation ear probe with outer ear illumination and a probe-fit status indicator.