1 That population was intended to be a representative subset of individuals with mild-to-moderate sensorineural hearing loss from the NHANES database. For this study, we used the same 934 audiograms as in Jensen et al. This constraint simplifies the user interface and creates an experience that is similar to common controls like “volume” and “tone.”Ĭomputing coverage begins with the selection of a representative population of individuals with hearing loss. The mapping of wheel position to gain is strictly monotonic (always increasing/decreasing) at each frequency band. ![]() 2 Using these wheels, the wearer selects his/her own signal processing preferences using the two wheels which control the gain and compression in each frequency band. This app features two wheels-“World Volume” and “Treble/Bass”-to map to a wide range of target gain profiles that were derived from hearing loss databases ( Figure 1). In this article, we use the same method to compute coverage for Bose CustomTune™-the primary user interface in the Bose Hear mobile app which is compatible with Bose SoundControl Hearing Aids. ![]() In Jensen et al, coverage was estimated for interfaces with a wide range in the numbers of presets (ie, 1 to 20 preset frequency gain configurations designed to suit the individual’s amplification needs). Bose CustomTune features two user-adjusted wheels: World Volume and Treble/Bass. Related Article: Bose Announces First Self-fitting Hearing Aid: SoundControlįigure 1. This value is computed for a given user interface with limited options. At a high level, this value estimates the percentage of people with hearing loss that would be able to find a gain profile sufficiently similar to what would be prescribed for them. In 2020, Jensen et al 1 published a study that attempted to quantify this trade-off by computing a value they called population coverage. Enabling as many individuals with hearing loss as possible to find a gain profile that meets their auditory needs.Making the controls simple enough for a layperson to use, while also.One fundamental trade-off when designing such an interface is finding the balance between: Hearing aids sold directly to consumers must provide an interface that enables users to select their preferred gain profile. This article compares the population coverage-or the percentage of people who would be able to find a frequency gain profile similar to a NAL-NL2 prescription fit-of SoundControl to other self-fitting amplification devices which typically feature only 1 to 4 preset gain profiles.īy Andrew Sabin, PhD, Justin Jensen, AuD, Octav Chipara, PhD, and Yu-Hsiang Wu, PhD ![]() In the self-fitting process, the Bose Hear app uses the Bose CustomTune™ interface for mapping to a wide range of target gain profiles, derived from a hearing loss database. The self-fitting Bose SoundControl™ hearing aid is the first of its kind to gain FDA clearance.
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