Adjustment Of Input For Speech - Interacoustics AD528 Instructions For Use Manual

1 SR/SD
2 Intensity scale
3 Input list
4 Phone norm curves
5 Maximum range
6 SRT
Function keys
Once the test is complete edit the score prior to storing.
Choose between SRT, MCL and UCL, WR1, WR2 or WR3.
The condition under which the speech test is done: none/aided/binaural/both.
Change the type of material used: numbers/multi numbers/words/sentences.
Change the list of material used for the speech test.
Press Shift + List to change the speech material.
Start playing the wave files.
Pause.
Play.
Stop playing the wave files.
3.4.3.1

Adjustment of input for speech

Speech testing can be done via pre-recorded wave files (Wave), an external input (AUX) or microphone
(MIC) and can be run in either graphical mode or table mode.
To change the output for channel 1 or 2 long press on 1 Speech 2 and use wheel 1 or 2 to adjust output of
channel 1 or 2, respectively.
To adjust the gain of the AUX or MIC ensure the output is set for AUX or MIC, and press shift + 1 Speech 2.
The VU meter is present on screen for the adjustment. Adjust the levels until you reach an average of
approximately 0 dB VU on the VU meter. If the speech and calibration signal are not at the same level, this
must be manually corrected.
The speech material can be presented to both ears at the same time. This requires a license and that the
material is indexed for it. Ensure channel 1 and 2 are set for Wave.
D-0121151-B – 2018/11
AD528 - Instructions for Use - EN
SR is the speech recognition in 0-100%
SD is the speech discrimination in 0-100%
The intensity scale ranging from -10 to 120 dB HL
Displays the material for the selected list. When the test is started the word
presented is framed.
Phone norm curves for the speech material; m for multi syllabic and s for single
syllabic. The phone norm curves can be set in the speech settings – norm curves.
The area indicates the intensity range that cannot be reached with the selected
transducer.
SRT refers to the level at which the patient can repeat 50% of the presented
words correctly, where the SRT value indicate the level of this relative to the norm
curve. The order of the displayed SRT values is phone WR 1, phone WR2, insert
WR1, insert WR 2.
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