Using the FONIX 7000 to Verify Coupler and Real-Ear Performance ...
Using the FONIX 7000 to Verify Coupler and Real-Ear Performance ...
Using the FONIX 7000 to Verify Coupler and Real-Ear Performance ...
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<strong>Coupler</strong> Measurements 9<br />
Figure 8 – Illustration of an open hearing aid coupled <strong>to</strong> <strong>the</strong> open coupler.<br />
Curve 1 Open<br />
Curve 2 HA-1<br />
Curve 3 HA-2<br />
Curve 4 KEMAR<br />
Figure 9 – Frequency response curves of <strong>the</strong> open hearing aid coupled <strong>to</strong><br />
an open coupler (Curve 1), HA-1 coupler (Curve 2), HA-2 coupler (Curve<br />
3) <strong>and</strong> unaided KEMAR.
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