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Predicting Real-World Remote Microphone Speech Perception Performance Through Simulated Electroacoustic Verification.

Mohamed Rahme¹, Grace Moir¹, Vahid Ashkanichenarlogh¹

¹National Centre for Audiology, Western University, London, Ontario, Canada.

American Journal of Audiology

|April 30, 2026

Summary

This summary is machine-generated.

Remote microphones significantly improve hearing aid speech perception in real-world settings. Electroacoustic verification using maximum audible output frequency (MAOF) effectively predicts performance, optimizing outcomes for hearing aid users.

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Area of Science:

Audiology
Hearing Science
Speech-Language Pathology

Background:

Remote microphones enhance hearing aid functionality in noisy environments.
Optimizing speech perception is crucial for hearing aid users' quality of life.

Purpose of the Study:

To evaluate remote microphone performance across three hearing aid brands.
To assess various electroacoustic verification methods for optimizing speech perception.
To determine real-world effectiveness in simulated environments.

Main Methods:

Used manikin recordings in a simulated gymnasium with varying azimuth angles.
Simulated mild, sloping hearing loss with receiver-in-canal hearing aids and proprietary remote microphones.
Verified remote microphones electroacoustically for transparency and maximum audible output frequency (MAOF).

Main Results:

MAOF verification strongly predicted real-world remote microphone performance.
Remote microphones consistently improved speech perception scores compared to hearing aids alone.
Performance benefits were observed across all tested brands and azimuth angles.

Conclusions:

MAOF verification, with a transparency approach, supports optimal remote microphone performance.
Further behavioral studies with hearing-impaired individuals are warranted.
Remote microphones offer a significant advantage for speech understanding in challenging listening situations.