Abstract: A method for adjusting a gain of a hearing device includes receiving a demand for increasing a treble of an output sound signal; determining a frequency dependent headroom curve, the headroom curve indicating up to which gain value a frequency of the sound signal is amplifiable; comparing the headroom curve with a gain curve; when the gain curve is below the headroom curve, increasing the gain curve in a treble range; and when the gain curve has reached the headroom curve in the treble range, frequency lowering the sound signal, such that frequencies of the sound signal are moved from the treble range into a middle range of frequencies below the treble range.

Abstract: A sound generator comprises a shell, a vibration system and a magnetic circuit system, wherein the shell sequentially accommodates and fixes the vibration system and the magnetic circuit system from top to bottom; the magnetic circuit system comprises a magnetic conductive yoke, and a central magnetic circuit portion and a side magnetic circuit portion that are mounted on an upper surface of the magnetic conductive yoke; a magnetic gap is formed between the central magnetic circuit portion and the side magnetic circuit portion; and at least one of the central magnetic circuit portion and the side magnetic circuit portion is provided with a permanent magnet; the magnetic circuit system is provided with a rear sound hole; a rear cavity in communication with the rear sound hole is provided directly below the magnetic circuit system.

Abstract: An acoustic diaphragm 1 according to the present invention includes a center dome member, and a sub dome member. The center dome member includes a center dome 2 and an annular first plane part 2a that is disposed along the outer periphery of the center dome and formed integrally with the center dome. The sub dome member includes a sub dome 3 and an annular second plane part 3a that is disposed along the inner periphery of the sub dome and formed integrally with the sub dome. The first plane part includes a rising part 2b of the center dome, a first front surface, and a first back surface. The second plane part includes an inner peripheral edge 3b, a second front surface, and a second back surface. The center dome is formed of a material different from that of the sub dome. The sub dome surrounds the periphery of the center dome. The inner peripheral edge coincides with the rising part. The first front surface is joined to the second back surface.

Abstract: An electronic device has an acoustic transducer with an acoustic diaphragm. The diaphragm has opposed first and second major surfaces. A front volume is positioned adjacent the first major surface. A back volume is positioned adjacent the second major surface. An elongated channel defines a barometric vent and extends from a first end fluidly coupled with the front volume to a second end fluidly coupled with the back volume, fluidly coupling the front volume with the back volume. The elongated channel may have a high aspect ratio (L/D), providing the vent with a substantial air mass. The elongated channel may be segmented to define a higher-order filter. For example, a segmented channel can have a cascade of repeating acoustic-mass and acoustic-compliance units, providing the barometric vent with additional degrees-of-freedom for tuning.

Abstract: The present disclosure relates to a magnetic circuit assembly of a bone conduction speaker. The magnetic circuit assembly may generate a first magnetic field. The magnetic circuit assembly may include a first magnetic element, and the first magnetic element may generate a second magnetic field. The magnetic circuit may further include a first magnetic guide element and at least one second magnetic element. The at least one second magnetic element may be configured to surround the first magnetic element and a magnetic gap may be configured between the second magnetic element and the first magnetic element. A magnetic field strength of the first magnetic field within the magnetic gap may exceed a magnetic field strength of the second magnetic field within the magnetic gap.

Abstract: The present disclosure relates to a magnetic circuit assembly of a bone conduction speaker. The magnetic circuit assembly may generate a first magnetic field. The magnetic circuit assembly may include a first magnetic element, and the first magnetic element may generate a second magnetic field. The magnetic circuit may further include a first magnetic guide element and at least one second magnetic element. The at least one second magnetic element may be configured to surround the first magnetic element and a magnetic gap may be configured between the second magnetic element and the first magnetic element. A magnetic field strength of the first magnetic field within the magnetic gap may exceed a magnetic field strength of the second magnetic field within the magnetic gap.

Abstract: An MEMS microphone is provided, comprising a substrate and a vibration diaphragm supported above the substrate by a spacing portion, the substrate, the spacing portion, and the vibration diaphragm enclosing a vacuum chamber, and a static deflection distance of the vibration diaphragm under an atmospheric pressure being less than a distance between the vibration diaphragm and the substrate, wherein: a lower electrode forming a capacitor structure with the vibration diaphragm is provided on the substrate, and an electret layer providing an electric field between the vibration diaphragm and the lower electrode is provided on the substrate

Abstract: The present disclosure discloses a microphone, comprising: a first substrate, the first substrate having an inner cavity open at one end, wherein the microphone further comprises a vibration diaphragm and at least one cantilever which are provided to the first substrate and suspended above the inner cavity. The cantilever is separated from the vibration diaphragm by a spacing portion, and the vibration diaphragm and the inner cavity of the first substrate define an acoustically sealed cavity; and a detection structure is provided to the vibration diaphragm and the cantilever. The structural design of the cantilever is adopted, so that the space between the vibration diaphragm and the cantilever is open, the airflow can smoothly pass by the cantilever, and further the signal-to-noise ratio of the microphone can be greatly improved.

Abstract: A sound enhancing device for improving voice reception of a smartphone microphone is attachable to the rear surface of a smartphone opposite the surface of the smartphone having a display. The device has a deflector in a sliding engagement within a cavity of a housing moveable between a stowed position and a deployed position. A reflective curved area positioned on a first surface of the deflector captures and reflects sound waves from the voice of a user toward a microphone of the smartphone.

Abstract: The present application discloses a mobile terminal, which comprises a flexible screen, a middle frame matched with the flexible screen to form an accommodation space, an exciter fixed on the middle frame, a support layer clamped between the flexible screen and the middle frame, and a steel sheet at least covering a sound generation area, wherein an area, in which the support layer is not arranged, on the flexible screen forms the sound generation area; and the exciter is fixed on the steel sheet to drive the sound generation area to generate sound through vibration. The sound generation area of the flexible screen is driven by the exciter to generate the sound, so that the mobile terminal provided by the present invention has a better sound generation effect compared with the related art.

Abstract: An apparatus includes a surface arranged to be mechanically displaced, a first magnet coupled with the surface, at least one supporting member for supporting the surface, a base comprising a second magnet, wherein the second magnet is arranged, at least partially, to face the first magnet, a coil coupled with the second magnet, and a signal port electrically coupled with the coil. An electrical signal is configured to travel between the signal port and the coil, and the electrical signal in the coil is proportional to mechanic displacement of the surface when a force equilibrium state of the surface is broken either by the electrical signal in the coil or the mechanic displacement of the surface from a position of the force equilibrium state.

Abstract: A hearing device with an adjustable vent is disclosed. The device includes at least one microphone configured to provide an input signal representing sound, a processor configured to process the input signal and provide a processed signal, at least one loudspeaker configured to receive the processed signal from the processor and to provide an acoustic signal based on the processed signal to the ear of a user, an earpiece comprising a vent, and an electrically controllable valve configured to control the vent, and a valve control unit configured to receive one or more control signals in dependence of a current hearing situation of the hearing device, wherein the valve control unit is configured to adjust the electrically controllable valve in dependence of the one or more control signals to provide the vent to be in a state between an acoustically more open and an acoustically less open state.

Abstract: Disclosed herein, among other things, are apparatus and methods for neural network-driven frequency translation for hearing assistance devices. Various embodiments include a method of signal processing an input signal in a hearing assistance device, the hearing assistance device including a receiver and a microphone. The method includes performing neural network processing to train a processor to identify acoustic features in a plurality of audio signals and predict target outputs for the plurality of audio signals, and using the trained processor to control frequency translation of the input signal.

Abstract: The present subject matter relates to the wireless stereo reception of first and second audio information by wireless hearing communication devices. One type of device which may employ the present subject matter is a hearing assistance device, such as a hearing aid. Various forms and protocols of signal transmission are employed in varying embodiments. The present subject matter includes various communication modes such as eavesdropping modes and relaying modes.

Abstract: The present invention relates to an earphone, comprising an earphone body, an earphone cord, and a fixing member. The earphone body includes an earplug portion, a connecting portion, and a body portion. The fixing member shaped as a ring, and the middle portion of the ring includes a through hole. The fixing member includes a top wall located at an edge of the ring. The top wall is made of an elastic material. Among them, the connecting portion is connected to the earplug portion and the body portion. The connecting portion passes through the through hole and is fastened in the fixing member, and the fixing member and the connecting portion are members of the earphone that are placed in the cavitas conchae of the human ear. The beneficial effects of the present invention are that since the top wall of the fixing portion is made of a material that is susceptible to deformation, adaptive deformation is performed to match the different cavitas conchae, when subjected to the compression of the cavitas conchae.

Abstract: An electronic device including a housing comprising one or more walls that define an interior cavity and that include a first wall having an audio opening extending through the first wall from an exterior surface of the housing to the interior cavity; a bracket disposed within the interior cavity and having first and second opposing surfaces, a first channel extending along the first surface and having a first end spaced apart from and surrounding the audio opening, and a second channel fluidly coupled to and extending perpendicular to the first channel through the second surface at a location laterally displaced from the audio opening; and a microphone disposed within the interior cavity and coupled to the second surface of the bracket over the second channel, wherein the bracket cooperates with the first wall to create an acoustic pathway that extends from the audio opening through the first wall, through the first channel and through the second channel to the microphone.

Abstract: A vibration sounding device includes a panel, and an electromagnetic driver attached to the panel and configured to drive the panel to vibrate and sound. The electromagnetic driver includes a housing, a driving unit received in the housing, and a cover. The cover is attached to the panel. The driving unit includes a coil assembly mounted to the cover and a pair of magnet assemblies mounted to the housing. The coil assembly includes a coil defining an axial direction around which the coil is wound. The pair of magnet assemblies is located at opposite sides of the coil assembly with gaps formed therebetween in the axial direction. The electromagnetic driver includes a first elastic member configured to support the coil assembly in the housing. The first elastic member is connected between the coil assembly and the housing and configured to provide an elastic supporting force for the coil assembly.

Abstract: A method and system visually communicates hearing aid information between a patient's smartphone and an audiologist's computer system by using a QR code captured by a camera. When the audiologist's computer system takes a picture of the QR code on the display of the patient's smartphone, the QR code contains at least one piece of audiological data representing historical or current patient-specific usage of the hearing aid. When the patient's smartphone takes a picture of the QR code on the display of the audiologist's computer system, the QR code contains audiological data, which the patient's smartphone extracts to transmit instructions or information to adjust at least one audiological parameter setting on the patient's hearing aid. The patient may transmit or receive an image file of either QR code over a network, thereby communicating the same information with the audiologist.

Abstract: An embodiment of the present invention provides a sound generating device which comprises a housing, wherein a sound generating unit is mounted in the housing, a closed rear cavity is formed between the sound generating unit and the housing, and the sound generating unit is provided with a rear sound hole in communication with the rear cavity, wherein the sound generating unit comprises a magnetic circuit system, an expandable-capacity cavity being provided on the magnetic circuit system, and the expandable-capacity cavity acting as part of the rear cavity to increase a volume of the rear cavity.

Abstract: A method performed by a first hearing device, includes: determining a first gain value, a second gain value, or both the first and second gain values; generating an intermediate signal including or based on a combination of the first directional input signal and the second directional input signal, wherein the first and second directional input signals in the combination are combined based on the first gain value, the second gain value, or both of the first and second gain values; and generating an output signal for the output unit based on the intermediate signal; wherein one or both of the first gain value and the second gain value are determined in accordance with an objective of making a proportion of the first directional input signal and a proportion of the second directional signal at least substantially equal.