Abstract: An assembly for a hearing aid is disclosed. The hearing aid with the assembly includes an in the ear part and a behind the ear part and a part mechanically interconnecting the two parts. In the interconnection, a flexible substrate is arranged. The flexible substrate includes conductive paths. The conductive paths may be used for communication between the in the ear part and the behind the ear part, and/or for an antenna function.

Abstract: The present invention discloses a sound generating device, which comprises a housing, and a vibration system and a magnetic circuit system which are coupled to the housing, wherein the magnetic circuit system comprises a magnetic conductive yoke, the magnetic conductive yoke comprises a magnetic conductive body and a connecting flange, the magnetic conductive body faces a diaphragm of the vibration system, the connecting flange is formed by bending the magnetic conductive body towards a side where the diaphragm is located, and the connecting flange is provided with a plurality of ventilation holes; and wherein a leakage opening is formed between the housing and the magnetic conductive body, and the connecting flange completely covers the leakage opening. The technical solutions of the present invention can reduce the defective rate of products.

Abstract: A microelectromechanical system microphone includes a piezoelectric diaphragm, upper inner electrodes and upper outer electrodes disposed on an upper surface of the diaphragm, and lower inner electrodes and lower outer electrodes disposed on a lower surface of the diaphragm. The diaphragm is divided into a plurality of sectors, a first of the sectors including an inner and an outer upper electrode physically disconnected from an inner and an outer upper electrode on a second sector adjacent to the first sector, and an inner and an outer lower electrode physically disconnected from an inner and an outer lower electrode on the second sector. A first via extends between and electrically couples the upper and lower inner electrodes of the first sector and a first bond pad. A second via extends between and electrically couples the upper and lower outer electrodes of the second sector and a second bond pad.

Abstract: A compression driver includes a dome diaphragm having a convex surface and a concave surface and a phasing plug having a base portion with a first side and an opposed second side. The base portion first side is disposed adjacent the convex surface of the diaphragm and defines a compression chamber therebetween. The base portion includes a plurality of channels that extend therethrough from the first side to the second side for sound waves to travel through the base portion, the plurality of channels converging to form an annular exit of the compression driver.

Abstract: Presented herein are implantable sound sensors that include a non-uniform diaphragm mechanically coupled to a vibrating structure of a recipient's middle or inner ear. The non-uniform diaphragm includes a central region and a peripheral region, where the thickness of the central region is greater than the thickness of the peripheral region.

Abstract: A MEMS structure is provided. The MEMS structure includes a substrate having an opening portion and a backplate disposed on one side of the substrate and having acoustic holes. The MEMS structure also includes a diaphragm disposed between the substrate and the backplate and extending across the opening portion of the substrate. The diaphragm includes a ventilation hole, and an air gap is formed between the diaphragm and the backplate. The MEMS structure further includes a filler structure disposed on the diaphragm, and a portion of the filler structure is disposed in the ventilation hole.

Abstract: A method includes connecting a device to a charger and providing wireless charging in a state of charge by transferring energy wirelessly from a transmitter module of the charger to a reception module of the device. The device has a state of discharge in which energy is consumed. The device includes a charging connector, to which a charging input voltage adjustable by the charger is applied for charging. The device includes a switching connector for turning the device on and off. The device includes a switch connected to the switching connector and being switchable by the charging input voltage by setting the charging input voltage to an intermediate voltage. The charger sets the charging input voltage to the intermediate voltage for switching the switch and transitioning the device into an off state with the device turned off. A corresponding device and charger are also provided.

Abstract: Provided is an acoustic device having front and rear surfaces, and the front surface has sound outlet. The acoustic device includes: a metal enclosure housing; an acoustic component mounted in the housing, the acoustic component and the enclosure housing cooperate to form front and rear sound cavities, and the front sound cavity is communicated with the sound outlet; and an isolation component mounted in the rear sound cavity, and the isolation component and the enclosure housing enclose to define a filling cavity filled with sound-absorbing material. The isolation component closely fits outer surface of the acoustic component, the isolation component is provided with hollow portion to enable the outer surface of the acoustic component to be exposed to the filling cavity, and the hollow portion is filled with the sound-absorbing material. With the arrangement of the hollow portion, the acoustic device is filled with more sound-absorbing material, improving acoustic performance.

Abstract: Apparatus (20) for hearing assistance includes a spectacle frame (22), including a front piece (30) and temples (32), with one or more microphones (23) mounted at respective first locations on the front piece and configured to output electrical signals in response to first acoustic waves (64) that are incident on the microphones. A speaker (28) is mounted at a second location on one of the temples outputs second acoustic waves (66). Processing circuitry (26) generates a drive signal for the speaker by processing the electrical signals output by the microphones so as to cause the speaker to reproduce selected sounds occurring in the first acoustic waves with a delay that is equal within 20% to a transit time of the first acoustic waves from the first location to the second location, thereby engendering constructive interference between the first and second acoustic waves.

Abstract: An optical microphone assembly including a substrate, an interferometric arrangement, a light source, and at least one photo detector. The interferometric arrangement includes a membrane and at least one diffractive optical element spaced from the membrane. The diffractive optical element(s) include a plurality of lines formed in or disposed on a surface of the substrate and arranged in a first pattern. The substrate includes one or more holes extending fully therethrough, the hole(s) arranged in a second pattern that is different from the first pattern. The light source is arranged to provide light to the interferometric arrangement such that first and second portions of the light propagate along respective, different first and second optical paths via the interferometric arrangement. An optical path difference between the first and second optical paths depends on a distance between the membrane and the diffractive optical element(s).

Abstract: The present disclosure provides a mechanism to synchronously drive distributed speakers around a user based on localization outputs of ultra wideband (UWB) communication chips already existing in devices. Distances may be determined between a user device, such as a phone or wearable, and a plurality of distributed speakers or other devices. Based on an intersection point of such distances, the user's location can be identified. Such location can be used to modify how audio is played on each of the plurality of distributed speakers.

Abstract: An earphone includes a body part, a supporter, and a recess-projection engagement part. In particular, the earphone includes the body part, the supporter attached to the body part, and the recess-projection engagement part configured to allow the supporter to be engaged to the body part selectively at any of a plurality of positions defined in an extending direction of an axial line of the body part.

Abstract: A bone conduction speaker is built into a seat of a vehicle and faces the skull of an occupant seated in the seat. An acoustic control ECU individually selects sound to be output from the bone conduction speaker for each of the occupants in the vehicle, according to attribute information of the occupant recorded in a portable terminal device carried by the occupant, and causes the selected sound to be individually output from the bone conduction speaker to each of the occupants.

Abstract: A sound wave transducer is provided. The sound wave transducer includes a first board, a spacer layer and a second board over the first board and the spacer layer. The first board includes a carrier, a first substrate layer and a first metal layer. The carrier has a first opening formed in a central region. The first substrate layer is disposed on the carrier and over the first opening. The first metal layer is disposed on the first substrate layer. The spacer layer is disposed on the first board and surrounds the central region. The second board includes a second substrate layer, a second metal layer disposed on the spacer layer, and a plurality of second openings penetrating through the second substrate layer and the second metal layer.

Abstract: A hearing aid includes: a radio; and a moulded interconnect device (MID) housing; wherein the moulded interconnect device (MID) housing comprises an antenna integrated with the moulded interconnect device (MID) housing such that the antenna is an integral part of the moulded interconnect device (MID) housing; wherein the antenna is operatively connected with the radio for wireless communication.

Abstract: An adjustable over-ear headphone cushion for comfortably accommodating eyewear frames without losing sound quality may include an upper cushion and a lower cushion attached to the upper cushion with a ratcheting system. The upper cushion and the lower cushion may be vertically adjusted with respect to one another from a mated configuration to a spaced apart configuration, and the upper cushion and the lower cushion together form a substantially O-shaped headphone cushion configured to be removably attached to a headphone.

Abstract: An outer structure of a magnetic circuit is held inside a holder recess of a magnetic circuit holder of a frame. A pressing portion is screw-fixed to a mounting surface of the magnetic circuit holder. Elastically deformable pressing arms are formed at the pressing portion, and the pressing arms press a restriction surface of the outer structure of the magnetic circuit.

Abstract: Method, apparatus, and computer-readable media focusing sound signals from plural microphones in a 3D space, to determine audio signal processing profiles to optimize sound source(s) in the space. At least one processor determines plural virtual microphone bubbles in the space, and defines one or more bubble object profiles which comprise(s) specific attributes and functions of audio processing functions for each bubble, each bubble object profile including: (a) an individual bubble object profile when the bubble has been configured for an individual bubble; (b) a region object profile when the bubble has been configured for a region of one or more bubbles; and (c) a group object profile when the bubble has been configured for a group having one or more bubbles. The audio signal processing functions are used for the at least one bubble, for any combination of (a), (b), and (c).

Abstract: An electrodynamic loudspeaker comprising a housing, at least one magnet, each with a voice coil arranged in this in an axially moveable manner, a diaphragm and a loudspeaker frame for each magnet). The shell surface of the at least one magnet is surrounded by a commutating coil of an electrically conductive wire, which consists of at least two opposing windings coaxially surrounding the magnet. After wrapping the two opposing wire ends, these two opposing wire ends are connected into an inflection point at the point the two opposing wire ends respectively meet after each are wrapped by 180° in such a way that they are led in the opposite direction to the next inflection point, which is diametrically opposite to the previous inflection point. After the last winding formed, these two wire ends are connected to each other.

Abstract: Disclosed is an ultra-thin speaker comprising: a housing; and a magnetic circuit system therein; a vibration system comprising a cone assembly and a voice coil, the cone assembly having a taper?25°, a peripheral edge thereof connected to the housing, and a middle part thereof having a through hole, the voice coil is fixedly connected at an edge of the through hole, the voice coil surrounds and is suspended around the magnetic circuit system, being able to vibrate by an action of the magnetic field generated by the system when a sound signal is introduced; and a dust cap assembly comprising a dust cap body, a central region of the dust cap body is fixedly connected to the system, and an edge region of the dust cap body is connected to the cone assembly and is able to expand and contract along with the vibration of the cone assembly.