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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

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Personalization of Hearing Aid Fitting Based on Adaptive Dynamic Range Optimization.

Aoxin Ni¹, Sara Akbarzadeh¹, Edward Lobarinas²

¹Department of Electrical and Computer Engineering, University of Texas at Dallas, Richardson, TX 75080-3021, USA.

Sensors (Basel, Switzerland)

|August 26, 2022

Summary

This summary is machine-generated.

Personalized adaptive dynamic range optimization (ADRO) significantly improved hearing aid user preference by 10 times compared to standard ADRO. This machine learning approach enhances the hearing experience without negatively impacting speech understanding.

Keywords:

adaptive dynamic range optimization maximum likelihood inverse reinforcement learning personalization of hearing aid fitting

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Area of Science:

Audiology
Machine Learning
Signal Processing

Background:

Adaptive Dynamic Range Optimization (ADRO) is a hearing aid fitting method adjusting frequency band gains based on sound level percentiles and user hearing thresholds.
Standard ADRO aims to balance audibility and comfort for individuals with hearing loss.

Purpose of the Study:

To personalize the ADRO fitting using a machine learning approach to enhance the hearing experience.
To compare the efficacy of personalized ADRO against standard ADRO in hearing aid users.

Main Methods:

A machine learning method, specifically maximum likelihood inverse reinforcement learning, was employed to create a user preference model for ADRO personalization.
Ten subjects with hearing loss participated in the study, evaluating both standard and personalized ADRO fittings.

Main Results:

Subjects preferred the personalized ADRO fitting over the standard ADRO by an average factor of approximately 10.
Word recognition tests demonstrated that personalized ADRO did not adversely affect speech understanding compared to standard ADRO.

Conclusions:

Personalized ADRO, utilizing machine learning, offers a significantly improved user experience for hearing aid fittings.
The personalized approach enhances hearing aid effectiveness without compromising speech comprehension, indicating a promising advancement in audiology.