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Using the FONIX 7000 to Verify Coupler and Real-Ear Performance ...

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<strong>Real</strong> <strong>Ear</strong> Measurements 32<br />

Figure 40 – <strong>Real</strong> ear unaided gain (REUG) of <strong>the</strong> open ear canal in <strong>the</strong> lower<br />

curve <strong>and</strong> <strong>the</strong> real ear insertion gain (REIG) target in <strong>the</strong> upper curve.<br />

2.2 Performing real-ear insertion gain (REIG) measurements <strong>to</strong> verify <strong>the</strong><br />

appropriateness of a hearing aid’s programming <strong>to</strong> <strong>the</strong> prescriptive target.<br />

REIG<br />

50<br />

65<br />

80<br />

REAG<br />

50<br />

65<br />

80<br />

REUG<br />

Figure 41 – <strong>Real</strong> <strong>Ear</strong> Insertion Gain screen

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