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Updated: May 6, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
In-situ Audiometry Compared to Conventional Audiometry for Hearing Aid Fitting.
Maaike Van Eeckhoutte1,2, Bettina Skjold Jasper1,2, Erik Finn Kjærbøl2
1Hearing Systems, Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark.
In-situ audiometry, a simpler method for hearing aid fitting, shows accurate hearing threshold measurements comparable to conventional methods. This validates its use in remote hearing care, especially with open-fit hearing aids.
Area of Science:
- Audiology
- Hearing Science
- Medical Devices
Background:
- In-situ audiometry offers a resource-efficient alternative to conventional audiometry for hearing aid fitting.
- Previous studies raised concerns about its accuracy, particularly with open-fit hearing aids due to potential low-frequency leakage.
Purpose of the Study:
- To investigate the validity of in-situ audiometry for hearing aid fitting.
- To assess the accuracy of in-situ measurements compared to conventional methods across different hearing aid configurations.
Main Methods:
- Evaluated six receiver-in-canal hearing aids across three experiments.
- Measured hearing aid gain, recorded in-situ stimuli, and compared hearing thresholds using both in-situ and conventional audiometry in patients with open-fit hearing aids.
Main Results:
- Hearing aid gain was unaffected by the measurement method for open-fit devices.
- In-situ stimuli were adjusted below 1000 Hz for most open-fit hearing aids, suggesting the need for closed domes.
- Mean interparticipant threshold differences were within 5 dB for frequencies between 250 and 6000 Hz.
Conclusions:
- Modern in-situ audiometry thresholds closely align with conventional measurements.
- In-situ audiometry is a valid and promising tool for remote hearing care and hearing aid fitting.
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