Interacoustics AD629 - Speech - Ch2 On; Speech in Noise

D-0133833-A – 2022/09
AD629 - Instructions for Use - EN Page 20
Speech – CH2On
This test screen is the same as for speech. When in Speech – Ch2On, the speech material is presented
binaurally.
Speech in noise
This test screen is the same as for speech. When in Speech in noise, the speech material and speech in
noise is presented in the same ear.
Hughson-Westlake test
Hughson Westlake is an automatic pure tone test procedure. The threshold of hearing is defined as 2 out
of 3 (or 3 out of 5) correct responses at a certain level in a 5dB increase and a 10dB decrease test
procedure.
Function key
Description
10
Show traces
11
Select other 20y.
12
Test high frequencies.
15
Single Freq test.
16
Start test. Tests all frequencies.
17
Stop test.