About The Aa222 - Interacoustics AA222 Additional Information

AA222 Additional Information

1 About the AA222

The AA222 is a device combining audiometry and tympanometry. The target population for the AA222
covers all ages. The AA222 is designed to be used only by skilled personnel such as audiologists, ENT
surgeons, doctors, hearing healthcare professionals or personnel with a similar type and level of education.
The device should not be used without the necessary knowledge and training to understand its usage and
how results should be interpreted.
Availability of the tests listed below, or specific settings within these tests on the hardware or in the software,
depends on the license purchased.
The Audiometry module contains the following tests:
 Pure tone audiometry
 Weber
 Stenger
 Auto: Hughson-Westlake
 Alternate binaural loudness balancing (ABLB)
 Tone in noise (Langenbeck)
 Speech
 QuickSIN
 Short increment sensitivity index (SISI)
The Tympanometry module contains the following tests:
 Tympanometry 226, 678, 800 and 1000 Hz
 Ipsilateral reflexes
 Contralateral reflexes
 Reflex decay
 Reflex latency
 Eustachian tube function – non-perforated
 Eustachian tube function – perforated
 Eustachian tube function – patulous
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