Audioscan Axiom User Manual download pdf (Page 71)

Axiom

User's Guide Version 1.8



May 2015

16 Insertion Gain

Insertion gain is the difference between aided and unaided ear canal SPL (REIG = REAG - REUG). It inherently

assumes a sound-field audiogram. For non-linear hearing aids, REIG is stimulus-dependent and the dependency

is specific to each hearing aid. Insertion gain fitting methods ignore these facts. Speechmap is recommended

for fitting all linear and non-linear hearing instruments.

Refer to On-Ear Measures - Setup and On-Ear Measures Screen Setup for terminology and information on

preparing the system for use and for proper positioning of the client and the probe tube.

Insertion gain in SPL

1. Click on . Click on [On-ear], then on [Insertion gain].

2. Click on the [Instrument] button to chose from BTE, ITE, ITC, CIC, CROS, Body. This changes the

CORFIG used for 2cc targets.

3. Click on the fitting method button to chose from NAL-NL1, FIG6, NAL-RP, POGO II, Berger, Libby, User,

None

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Audioscan Axiom User Manual Page 71