Speech In Noise; Auto Testing; Bekesy; Hughson-Westlake - Interacoustics AD528 Instructions D'utilisation

3.4.3.2

Speech in noise

The speech material can be presented to the same ear. Select the Speech in noise from the test selection.
Thereby the speech and noise is routed to the same ear side. This also gives the opportunity to run a signal-
to-noise ratio test on one ear adjusting the level of channel 1 relative to channel 2.

Auto testing

3.4.4.1

Bekesy

Békésy is an automatic pure tone test. The Békésy test is a fixed frequency test assessing one frequency at
a time by presenting a continuous tone. The patient will press the patient response button as long as the
tone is heard and let go when the tone is not hear.
When activated, the patient can get familiarized with the testing procedure without data
being part of the recording.
Press the play button to start the test for all frequencies.
Pause
In addition multi pulse is available as a function that can be used during the Bekesy test.
Settings for the Bekesy test are found in Auto settings.
3.4.4.2

Hughson-Westlake

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 threshold level in a 5 dB increase and a 10 dB decrease test
procedure. The patient provides feedback by pressing the patient response when the tone is heard.
When activated, the patient can get familiarized with the testing procedure without data
being part of the recording.
Press the play button to start the test for all frequencies.
Pause
Settings for the Hughson-Westlake test are found in Auto settings.
D-0121151-B – 2018/11
AD528 - Instructions for Use - EN Page 25