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Verification of a Mobile Psychoacoustic Test System
Jordana C Soares1, Sangamanatha A Veeranna1,2, Vijay Parsa1,3,4
1National Centre for Audiology, Faculty of Health Sciences, Western University, London, ON N6G 1H1, Canada.
Audiology Research
|December 23, 2021
Summary
A new mobile system effectively assesses suprathreshold auditory encoding abilities, matching laboratory results for hearing tests like frequency discrimination and temporal gap detection in adults with normal hearing.
Area of Science:
- Audiology
- Psychoacoustics
- Auditory Neuroscience
Background:
- Hearing loss often involves more than just audibility issues.
- Suprathreshold deficits affect encoding of sound's spectral, temporal, and binaural aspects.
- Evaluating these deficits requires precise stimuli and psychometric methods.
Purpose of the Study:
- To compare a mobile system with a laboratory-based system for psychoacoustic assessment.
- To evaluate the mobile system's feasibility for assessing suprathreshold auditory encoding.
Main Methods:
- Adult listeners with normal hearing participated.
- Psychoacoustic tests included frequency discrimination, amplitude modulation detection, binaural encoding, and temporal gap detection.
- A laboratory system and a mobile system were used for data collection.
Main Results:
- The mobile system yielded results comparable to the laboratory-based system for most tests.
- Mobile system results were consistent with existing literature.
- No significant differences were found between the two systems for most assessments.
Conclusions:
- The mobile system demonstrates potential as a viable tool for evaluating suprathreshold auditory encoding.
- This technology could expand access to comprehensive hearing assessments.
- Further validation in diverse populations is warranted.
