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Related Experiment Video

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Smartphone Fundus Photography

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Extended High-Frequency Smartphone Audiometry: Validity and Reliability.

Martelle Bornman¹, De Wet Swanepoel^1,2,3, Leigh Biagio De Jager¹

¹Department of Speech-Language Pathology and Audiology, University of Pretoria, Pretoria, South Africa.

Journal of the American Academy of Audiology

|November 22, 2018

Summary

This summary is machine-generated.

Smartphone audiometry offers accurate and reliable extended high-frequency (EHF) hearing tests. This mobile approach provides an affordable solution for hearing care, especially in underserved areas.

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Area of Science:

Audiology
Mobile Health Technology
Hearing Science

Background:

Extended high-frequency (EHF) audiometry (8-16 kHz) is crucial for ototoxicity monitoring and understanding speech recognition.
Smartphone technologies offer potential for accessible and affordable EHF hearing tests, particularly in underserved regions.

Purpose of the Study:

To evaluate the accuracy and test-retest reliability of EHF audiometry using a smartphone application with calibrated headphones.

Main Methods:

A repeated-measures design compared air-conduction thresholds (8-16 kHz) and test-retest reproducibility between conventional audiometry (CA) and smartphone audiometry (SA).
Both standard audiometric and nonstandard supra-aural headphones were used.
Paired samples t-tests analyzed threshold correspondence and SA reproducibility.

Main Results:

Smartphone audiometry (SA) showed good correspondence with conventional audiometry (CA), with thresholds matching within 10 dB or less in over 80% of cases.
No significant differences were found between CA and SA using audiometric headphones across all frequencies (p > 0.05).
Smartphone test-retest thresholds demonstrated high reliability, with over 85% correspondence within 10 dB.

Conclusions:

EHF smartphone testing with calibrated headphones is an accurate and reliable method for mobile audiometry.
Further research should validate EHF smartphone testing outside sound booths for cost-effective, community-based high-frequency hearing loss detection.