Laryngeal electromyography (EMG)
Otoacoustic emission test (for screening and diagnostics) or Transient Evoked Otoacoustic Emissions (TEOAE)
Performing auditory evoked potential test, and complete or limited auditory brainstem response (ABR) test
Providing electrodiagnosis examinations (EMG and NCS)
Removing dense cerumen out of ear canal
Tympanic measurement (Impedance test)
