Abstract: A loudspeaker including a diaphragm having a front surface facing in a forward direction for producing sound to be radiated outwardly from the loudspeaker in the forward direction and a back surface facing in a backward direction that is opposite to the forward direction; a magnet unit configured to provide magnetic field in a predetermined region of space; a voice coil rigidly connected to the diaphragm, wherein the voice coil is configured to produce a magnetic field in use which interacts with the magnetic field provided by the magnet unit in the predetermined region of space so as to move the diaphragm along a longitudinal axis of the loudspeaker; a flexible dustcap attached to the diaphragm and an attachment surface of the loudspeaker that is fixed with respect to the magnet unit and is located radially inwards of the voice coil relative to the longitudinal axis of the loudspeaker.

Abstract: A micromechanical sound transducer according to a first aspect includes a first bending transducer with a free end and a second bending transducer with a free end, the two bending transducers being arranged in a mutual plane, wherein the free end of the first bending transducer is separated from the free end of the second bending transducer via a slit. The second bending transducer is excited in-phase with the vertical vibration of the first bending transducer. A micromechanical sound transducer according to a second aspect includes a first bending transducer that is excited to vibrate vertically and a diaphragm element extending vertically to the first bending transducer, the diaphragm element being separated from a free end of the first bending transducer via a slit.

Abstract: Methods and apparatus are described herein related to improving the sound quality of a bone conduction speaker. The sound quality of the bone conduction speaker is adjusted in the sound generation, sound transferring, and sound receiving of the bone conduction speaker by designing vibration generation manners and vibration transfer structures.

Abstract: Methods and apparatus are described herein related to improving the sound quality of a bone conduction speaker. The sound quality of the bone conduction speaker is adjusted in the sound generation, sound transferring, and sound receiving of the bone conduction speaker by designing vibration generation manners and vibration transfer structures.

Abstract: A hearing device is provided. The hearing device is suitable for being at least partially inserted into an ear canal is provided. The hearing device comprises a barrier. The barrier is configured to prevent foreign matter inside the ear canal from passing. The barrier comprises a body and a structure. The body has a surface. The structure is a microstructure or a nanostructure. The structure is formed on at least a first part of the surface. The first part is thus configured to hinder the foreign matter from adhering thereto. The structure and the body are monolithic.

Abstract: Methods and apparatus are described herein related to improving the sound quality of a bone conduction speaker. The sound quality of the bone conduction speaker is adjusted in the sound generation, sound transferring, and sound receiving of the bone conduction speaker by designing vibration generation manners and vibration transfer structures.

Abstract: The present invention relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to its center; the vibration board is set as the second torus, where at least two second rods inside it converge to its center. The vibration conductive plate is fixed with the vibration board; the first torus is fixed on a magnetic system, and the second torus comprises a fixed voice coil, which is driven by the magnetic system. The bone conduction speaker in the present invention and its compound vibration device adopt the fixed vibration conductive plate and vibration board, making the technique simpler with a lower cost; because the two adjustable parts in the compound vibration device can adjust both low frequency and high frequency area, the frequency response obtained is flatter and the sound is broader.

Abstract: The present disclosure relates to an in-the-ear part having a closing assembly. The in-the-ear part configured to be attached to a hearing device. The in-the-ear part having a cavity for holding an output transducer and the in-the-ear part having an opening and the closing assembly being configured to fit into the opening. An insert part having an inset part opening for receiving and mounting a connecting member is also mounted to the in-the-ear part, the connecting member configured for mechanically coupling the in the ear part to a behind the ear part of the hearing device. A cover part is further provided, which comprises a recess for receiving and mounting the insert part to the in-the-ear part.

Abstract: A flat headset is provided, comprising: a flexible belt body (1) configured to be looped around a head, and two headset bodies (4) fixed to the flexible belt body (1). The headset bodies (4) have flat structure, and at least parts of the headset bodies (4) protrude from one edge of the flexible belt body (1), and are provided with sound output holes (2) on a side away from the flexible belt body (1). When the flexible belt body (1) is fixed to the head, the two headset bodies (4) are held on front upper sides of two ears, and the sound output holes (2) are close to ear canals. The flat headset of the present disclosure does not compress the ear canals and ears, is more comfortable to use, and can prevent the headsets from falling off due to vibration and sweat during exercise.

Abstract: Some headphone systems include two ear cups, a headband assembly, an interface system and a control system. Each ear cup may include an ear cup enclosure, an ear pad assembly, a speaker system and a hinge assembly. The hinge assembly may be disposed within the ear cup enclosure such that it is not visible from outside the ear cup. The headband assembly may connect with each of the ear cups via the hinge assembly. The interface system may include at least one interface and a plurality of input source buttons disposed on at least one of the ear cups. Each of the input source buttons may be configured for selecting a source of audio data received via the at least one interface. The control system may be configured for controlling the speaker system to reproduce audio data received via the interface and selected by one of the input source buttons.

Abstract: An apparatus includes a support configured to be worn on a head of a recipient and to hold at least one bone conduction device next to the recipient's skull. The at least one bone conduction device provides auditory stimulation to the recipient. The support is configured to generate a force that presses against the head and to actively adjust the force while the support is worn by the recipient.

Abstract: An ear-wearable device is described that includes a plurality of modules that mate together forming a physical outer shell of the ear-wearable device. Each module from the plurality of modules is associated with a different, corresponding feature of the ear-wearable device and each module from the plurality of modules includes a respective physical portion that comprises a different, corresponding part of the outer shell. In addition, each module from the plurality of modules shares a physical interface with at least one other module from the plurality of modules.

Abstract: Methods and apparatus are described herein related to improving the sound quality of a bone conduction speaker. The sound quality of the bone conduction speaker is adjusted in the sound generation, sound transferring, and sound receiving of the bone conduction speaker by designing vibration generation manners and vibration transfer structures.

Abstract: A hearing device includes an enclosure comprising a shell and a faceplate and is configured for at least partial insertion within an ear of a user. An antenna structure of the hearing device is oriented such that a direction of an electric field (E-field) of a propagating electromagnetic signal generated by the antenna structure is directed non-tangentially with respect to the user at the location of the user's ear. The antenna structure includes an antenna disposed in or on the faceplate and a ground plane at least partially supported by the faceplate. A battery and electronic circuitry are disposed within the shell. The electronic circuitry is powered by the battery and is electrically coupled to send and/or receive signals via the antenna structure.

Abstract: Methods and apparatus are described herein related to improving the sound quality of a bone conduction speaker. The sound quality of the bone conduction speaker is adjusted in the sound generation, sound transferring, and sound receiving of the bone conduction speaker by designing vibration generation manners and vibration transfer structures.

Abstract: The present disclosure discloses a detachable earphone and a headband with earphones. A detachable earphone comprises an earphone body and an installing base, one side of the earphone body is provided with a clamping base on the same body, one side of the installing base is provided with an installing ring that matches with the clamping base, the clamping base is clamped on the side wall of the installing ring, the outer side of the clamping base is provided with an L-shaped neck, a clamping block is fixedly installed on the side wall of the installing ring, and the other side of the installing base is provided with a conical clamping ring protruding to the inside of the installing base; the present disclosure is provided with an installing base, a clamping base, an installing ring, an L-shaped neck and a clamping block.

Abstract: A MEMS microphone and a manufacturing method thereof are provided. The MEMS microphone includes: a substrate configured to have a through portion formed in a central portion thereof; a vibration membrane configured to have an uneven structure formed on the through portion of the substrate; and a fixed membrane provided on an upper position spaced apart from the vibration membrane by a predetermined distance.

Abstract: A custom fit hearing device that includes an in-ear housing designed to fit at least partially in a hearing device user's ear canal. The in-ear housing includes one or more areas on its outer-surface that are designed to provide retention of the in-ear housing in the ear canal. The one of more area may be rougher than the rest of the outer-surface of the in-ear housing, may have greater a friction coefficient than the rest of the outer-surface of the in-ear housing, may be made of a different material than the rest of the outer-surface of the in-ear housing, may contain granular material and/or may include surface features such as shapes extending outward from the outer-surface or undulations/ripples in the outer-surface. The in-ear housing may be produced using virtual designs and a 3D scan of the ear canal and may be manufactured using additive manufacturing or 3D printing.

Abstract: The present disclosure provides a bone conduction speaker. The bone conduction speaker may include a driving device and a panel. The driving device may be configured to generate a driving force, and the driving force is located in a straight line. The panel may be transmissibly connected to the driving device. The panel may be configured to conduct sound. A region through which the panel interacting with the user's body may have a normal line. The normal line may not be parallel to that straight line.

Abstract: A grill cover that fits over or is positioned over high frequency acoustical regions and low frequency acoustical regions of a playback device. A portion of the grill cover that fits over or is positioned over a high frequency acoustical region has small area openings and a portion of the grill over a low frequency acoustical region has large area openings. In portions of the grill cover between the portions over high and low frequency acoustical regions, the openings may have an intermediate area to visually blur the differences between the portions of the grill covers. To further blur the differences, the differently sized openings may be interleaved.