Interacoustics Affinity2.0 Quick Manuals page 73

UCLs
Dynamic Range
Normal Hearing in SPL
Item No. 8105092 – 12/2013
Adaptive feature example 2: Demonstrating
Noise Reduction.

Red Curve: Unaided and Aided with
Noise Reduction feature OFF.

Blue Curve: Unaided and Aided with
Noise Reduction feature set to MAX.
Dynamic range.

The dynamic range is the range
between the softest sound the ear can
detect and the loudest sound the ear
can tolerate (thresholds and UCLs).

Use the Speech Mapping graph to
explain the consequences and
limitations of narrowed dynamic ranges.

Demonstrate the difference between a
Hearing Loss, normal dynamic range (normal hearing
reversed, and
to UCL) and a narrowed dynamic range
converted to
(hearing loss to UCL).
dB SPL
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