Audioscan Axiom - Manual (Page 90)

Axiom ® User's Guide Version 1.8  May 2015
3. Click on to start this test. Once the test is started, click on the [Stimulus] list button to select the
stimulus type as Speech-std(1), Speech-std(2) or Speech-ISTS. Click on the [Level] list button and select a
stimulus level of 50 dB. The bar beside the
shows the SII for the unaided stimulus at 50 dB SPL (the
Unaided Audibar). To change the default stimulus type and level see Saving test setup.
4. While the passage is being presented, adjust the hearing instrument's frequency shaping and gain for soft
sounds so that the middle curve (the LTASS) falls within the target range, shown by the symbols,
especially between 500 - 4000 Hz. These target symbols are automatically adjusted for the stimulus level you
select.
5. Click on to signal average and store a complete passage. Repeat as necessary.
6. Click on to stop the test without recording any test data.
Upon completion of a test recording, a colored Aided Audibar beside the shows the SII for the aided soft
speech signal. The difference between the unaided and aided SII score (and the associated length of their
respective 'Audibars' ) visually quantifies the speech intelligibility improvement for soft speech likely provided
by the hearing instrument being fit. To further demonstrate the improvement, the unaided speech 'banana' may
be displayed by clicking
beside the Unaided Audibar.
Fitting to targets for average speech
See Speechmap screen choices for setup and audiometric data entry. See Using Speechmap.
1. Follow the instructions in Speechmap screen choices to enter audiometric data and select the fitting rule.
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