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man's voice. When that happens, it is OK to guess; repeat anything you think you heard the
man say."
Test Procedure
•
Select BKB-SIN from the More Tests Menu.
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Select the proper transducer and intensity levels for each channel.
Select the appropriate age from the Navigation Menu
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Select the appropriate word list pair. Lists 1-8 are appropriate for all patients. List
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pairs 9-16 are appropriate for CI patients or those with significant hearing loss.
Using the Word Nav and front panel navigation buttons or an external mouse, select
•
the first sentence.
Press the present bar or click the first sentence.
•
•
Score the four/three key words highlighted in each sentence by pressing the
INCORRECT button for each word repeated incorrectly by the patient.
•
Complete the entire list pair (20 sentences) and press "store".
To interpret the SNR loss score for adults, see table below.
Refer to the BKB-SIN user manual for how to interpret test results for children.
SNR
Degree of SNR Loss
Loss
0-3 dB
Normal/near normal
3-7 dB
Mild SNR loss
7-15 dB
Moderate SNR loss
>15 dB
Severe SNR loss
D-0131088 Rev C, 2022-07
GSI AudioStar Pro Instructions for Use
Expected Improvement with Directional Mic
May hear better than normal hearing individuals
hear in noise
May hear almost as well as normal hearing
individuals hear in noise
Directional microphones help; consider array mic
Maximum SNR improvement is needed; consider
FM system
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