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Preferred settings in hearing devices

Lars Bramsløw

Principal Scientist

Eriksholm Research Centre

Preferred settings in hearing devices

Introduction

Modern hearing aids contain many advanced signal processing features to obtain the best possible end user benefits in all listening situations. These features are today adjusted for the individual via the fitting software, based on a dialog between the end-user and the hearing care professional, attempting to translate verbal feedback to hearing aid settings. This project will provide fundamental knowledge on the relation between hearing aid settings and preference for the individual, by performing pairwise comparisons of various settings to locate the optimal (preferred) setting.

Aims

The project aims at developing the best and most robust procedure to determine and understand individual best settings via a series of pairwise comparisons. The procedure will be evaluated with end users to determine reliability, precision, and time consumption. If a satisfactory compromise can be reached, the next aim is to move from simple settings and listening situations towards advanced settings and realistic complex listening situations, e.g. conversation in restaurant. The procedure can be performed in the clinic but in the future also in daily life via a smartphone app.

Methodology

The preferred settings procedure will be tested and refined, first by simulations on a computer and second in the laboratory with hearing aid users. The laboratory testing uses the Eriksholm anechoic chamber and a loudspeaker ring to simulate relevant real-life listening situations. The early concept verification will use simple settings and listening situations and then a series of user tests will be run to gradually move to more advanced settings and scenes. During development of the preference procedure, it must constantly be verified that the estimated individual preferred setting is superior to a default prescribed setting.

Team

Lars Bramsløw

Principal Scientist

Eriksholm Research Centre

Josefine Hjort

Research Audiologist

Eriksholm Research Centre

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  • DK-3070 Snekkersten
  • Denmark
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