Eclipse Additional Information Page 137
6.4.3 The Audiogram tab
This screen shows the Estimated Audiogram (Right - Red & Left - Blue) based on the ASSR recordings. The
grey lines with “A” marking are the ASSR recordings. The difference between the estimated audiogram and
the ASSR recording is the applied correction. The Audiogram can be viewed during and after a recording
and the estimated audiogram can be saved to NOAH for HA fitting.
6.4.3.1 Correction factors in Estimated Audiogram
Even though the system is optimized for detecting the Electrophysiological Hearing Threshold, minor correc-
tion factors may be needed in order to get as close as possible to the estimated psychoacoustic hearing
threshold.
This system holds the option to create or change correction factor tables and/or apply individual corrections
for each audiogram point.
Within the Audiogram screen the user can choose between different correction tables. By default the ASSR
system is delivered with the following correction factors.
None should be selected when testing with Headphone and Bone transducer.
The grey “A” indicates the Electro-physiological Threshold found by the ASSR test and the red ring indicates
the estimated audiogram, as shown below. The estimated audiogram is the one used for tuning a hearing
aid.
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