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Demystifying hearing aid technology features through a novel iterative process in lexicon development
Paola Incerti1,2, Taegan Young1, Matthew Croteau1
1National Acoustic Laboratories, Sydney, Australia.
Abstract:
Lack of standardised information about hearing aid technologies presents a barrier to individuals seeking to understand and make informed choices about the hearing aid features they may benefit from.
Objectives:
(1) To identify features in contemporary hearing aids as described in publicly available materials. (2) To develop a lexicon of hearing aid features that informs consumers about available technologies.
Design:
A synthesis of published information on the features of contemporary hearing aids from six major manufacturers was conducted by a multidisciplinary research team. The analysis and categorisation of these findings was an iterative, agile process involving five distinct phases, Scoping, Extracting/Decoding, Mapping, Synthesising and Consulting.
Sample Size:
119 documents/publications were included in this review. These materials comprised 14 product guides and specification data sheets, and 105 white papers and technical articles.
Results:
We identified 253 unique features (e.g. Feedback Management) across 12 hearing aid devices (including both premium and entry-level models). This resulted in the development of a lexicon describing the core capabilities of modern hearing aids.
Conclusion:
Data synthesis identified key features of contemporary hearing aids across device models and manufacturers to inform the design of a lexicon for use by consumers.
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