There is provided a method of determining a three-dimensional shape of an insert for insertion into an ear. The method includes receiving image data corresponding to a two-dimensional image of an ear, processing the image data to measure at least one biometric feature of the ear, the at least one biometric feature being indicative of a three-dimensional shape of at least part of the ear, and determining a three-dimensional shape of an insert for insertion into the ear by matching said at least one biometric feature with one of a plurality of pre-stored three-dimensional shapes. Each pre-stored three-dimensional shape corresponds to a respective ear.

A wearable acoustic device with a microphone is provided. The wearable acoustic device includes a first housing forming a first acoustic emission path, a second housing combined with the first housing in a first direction that is substantially parallel to the first acoustic emission path, an acoustic component part arranged within the second housing and emitting sound through the first acoustic emission path, and at least one microphone arranged adjacent to the first acoustic emission path within the first housing.

A hearing aid assembly comprising a receiver comprising a front chamber and a back chamber being acoustically coupled to respective front and back chamber openings, and acoustical guiding means for guiding air from at least one of the front and back chamber openings to an air mixing zone for mixing air from the front and back chamber openings. The mixing of air from the front and back chambers enhances the low-frequency response of the hearing aid assembly.

Examples of retaining seal assemblies for acoustically sealing and retaining a canal hearing device or an earpiece within the ear canal are disclosed. The retaining seal assembly may include one or more flanges and a clip element. The flanges may include elongate trenches along an exterior surface of one or more of the flanges. The elongate trenches may allow the flange to conform to the shape of the ear canal and distribute concentric compressive forces when the seal assembly is inserted in the ear canal. The clip element may be formed of a relatively rigid material and may include one or more locking tabs. The conforming flanges may be concentrically positioned over the clip element. The seal assembly may include a debris barrier to provide protection for a sound outlet of the canal hearing device or the earpiece.

A hearing aid electrical contact structure and a hearing aid are provided. The hearing aid electrical contact structure includes: a housing, wherein the housing includes a front section and a rear section connected to each other; the rear section is used for accommodating a battery and at least a part of a flexible circuit board; an outer side surface of the rear section has at least two side holes; a conductive contact sheet is assembled in each of the at least two side holes, and the conductive contact sheet is electrically connected to a pad of the flexible circuit board; an outer surface of the conductive contact sheet realizes a transition with the outer side surface of the rear section. The hearing aid electrical contact structure has a smooth surface without any groove structure or convex structure.

The application relates to a hearing device, e.g. a hearing aid, comprising a first part for being inserted in an ear canal or fully or partially implanted in the head of a user, the first part comprising at least one electrode unit, termed a PR-electrode unit, for making contact to skin or tissue of a user when mounted or implanted in an operational condition, the at least one PR-electrode unit being configured to pick up a physiological response from the user, and wherein the at least one PR-electrode unit comprises an electrically conductive material, e.g. a shape memory alloy. The first part may comprise an implanted part, e.g. in combination with an external part adapted for being located in an ear canal, wherein both parts comprise one or more PR-electrode units. The invention may e.g. be used hearing aids, headsets, ear phones, active ear protection systems, or combinations thereof, e.g. to control processing of the hearing device or to monitor a condition of the user wearing the hearing device.

A method of making a mold, the mold having an interior cavity for containing a first material and a second material, wherein the mold comprises a first port configured to receive the first material, a second port configured to receive the second material, and a first channel for directing the second material to within the first material, the method includes: determining an electronic file having data representing a shape of an ear; processing the electronic file to create an electronic model of the mold, the electronic model of the mold having sprue features; and creating the mold based on the electronic model of the mold.

An ear tip for use with an earphone is filled with a UV-curable polymer or other material that hardens when energy is applied, fitted to a user's ear, and exposed to UV light or other appropriate energy, curing or otherwise hardening the material and forming a custom-fit ear tip.

Various embodiments of an acoustic tube and a hearing device system that includes an acoustic tube are disclosed. The acoustic tube includes a body, a lumen disposed within the body that extends along a lumen axis between a first end and a second end of the body, and a magnetic coupler disposed adjacent to the first end and adapted to connect the acoustic tube to a housing of a hearing device. The acoustic tube further includes an outlet disposed adjacent to the first end and acoustically connected to the lumen, where the outlet is adapted to be acoustically connected to a microphone of the hearing device; and an inlet disposed adjacent to the second end and acoustically connected to the lumen. The acoustic tube is adapted to direct acoustic energy received by the inlet through the lumen and the outlet to the microphone of the hearing device.

Described is a human-ear-wearable apparatus having a housing, which contains electronic and auditory components for conveying sound into a human hear. An inflatable mounting system is configured to secure the housing to the human ear. The mounting system includes an elastomeric bladder configured to inflate into a customizable counterpart shape of portions of the user's Concha and Meatus areas of a particular user's ear. A pump, coupled to the housing, is configured to pass air through an opening in the housing to the elastomeric bladder. Inflation of the bladder, via the pump, is controllable by a user to form a customized fit of the mounting system's bladder to the Concha and Meatus areas of the user's ear. One or more speakers may be encased in the elastomeric bladder. For example, a dual-hybrid speaker arrangement is described with a cone speaker and a balanced-armature driver embedded in the bladder.