Abstract: An earbud device having a user interface that incorporates a rotary switch is described. The rotary switch is part of a stem that extends from the main body of the earbud, and can provide file selection and/or volume control functions. The interface can include a pressure switch, which can provide switching between on, off, and sleep modes. The pressure switch can also be positioned on the stem, and in some embodiments the rotary switch can also act as the pressure switch when pressed. In some embodiments the user interface can utilize a combination of rotary switch and pressure switch inputs.

Abstract: The present disclosure provides a speaker including a frame, a vibration system, and a magnetic circuit system, wherein the vibration system includes a first vibration diaphragm and a second vibration diaphragm which are fixed to two opposite sides of the frame, the magnetic circuit system includes a bobbin, a magnet fixed in the bobbin and spaced from an inner wall of the bobbin, a first pole plate fixed on one side of the magnet close to the first vibration diaphragm, a second pole plate fixed to one side of the magnet close to the second vibration diaphragm, and a third pole plate fixed outside the bobbin and spaced from an outer wall of the bobbin. The first voice coil assembly and the second voice coil assembly move inside and outside in a staggered manner, which saves a Z-directional space of the speaker and achieves higher magnetic field efficiency.

Abstract: Embodiments relate to an audio system configured to provide enhancement of low audio frequencies. The audio system includes a tissue transducer and a speaker coupled to the tissue transducer. The tissue transducer is configured to be coupled to a tissue of a user (e.g., pinna of a user's ear). The speaker includes a diaphragm having a first surface and a second surface that is opposite the first surface. The first surface is configured to generate a first set of airborne acoustic pressure waves, and the second surface is configured to generate a backpressure. The tissue transducer is driven by the backpressure to vibrate the tissue to form a second set of acoustic pressure waves. The first set of airborne acoustic pressure waves and the second set of acoustic pressure waves together form audio content that is presented to the user.

Abstract: An electrodynamic actuator for a speaker or an electrodynamic acoustic transducer in general is disclosed, which comprises at least one voice coil, a magnet system and an arm arrangement of a plurality of arms connecting the at least one voice coil and the magnet system or at least a movable part thereof so that a relative movement between these parts is allowed. The arms are made of metal with a fatigue strength of at least 370 N/mm2 or an ultimate tensile strength of at least 1100 N/mm2.

Abstract: A microphone assembly includes a substrate, an acoustic transducer, an integrated circuit, and a cover couples to the substrate to enclose a back volume of the microphone assembly in which the acoustic transducer and the integrated circuit are disposed. The acoustic transducer includes a back plate and a diaphragm oriented parallel to the back plate disposed over an aperture in the substrate to receive acoustic signals. The cover is a metallic material with a thickness and a corresponding thermal diffusivity to attenuate incoming radio-frequency signals. The attenuation of the radio-frequency signals prevents ambient noise detectable by the microphone assembly.

Abstract: Disclosed is a sounding device, including a frame, a vibration system, and a magnetic circuit system. The magnetic circuit system has a magnetic gap. The vibration system includes a diaphragm, a framework, a voice coil, and an elastic conductor. The elastic conductor includes an elastic conductor body, a first connecting piece and a second connecting piece, a first bending arm and a second bending aim, and a first pad and a second pad. The lead wires are connected to the first pad and the second pad, the first pad and the second pad are disposed on two sides of the framework, the first bending arm is spaced from the second bending arm, and a middle section is used to increase the volumes of first auxiliary magnets, thereby improving the acoustic performance of the sounding device.

Abstract: A microphone including a casing having a front wall, a back wall, and a side wall joining the front wall to the back wall, a transducer mounted to the front wall, the transducer including a substrate and a transducing element, the transducing element having a transducer acoustic compliance dependent on the transducing element dimensions, a back cavity cooperatively defined between the back wall, the side wall, and the transducer, the back cavity having a back cavity acoustic compliance. The transducing element is dimensioned such that the transducing element length matches a predetermined resonant frequency and the transducing element width, thickness, and elasticity produces a transducer acoustic compliance within a given range of the back cavity acoustic compliance.

Abstract: A microelectromechanical systems (MEMS) microphone and form-factor adapter can include an adapter housing including an opening and an outer acoustic port and can include a MEMS microphone disposed at least partially within the adapter housing. The MEMS microphone can include a microphone housing, a MEMS motor disposed in the microphone housing and acoustically coupled to the outer acoustic port of the adapter housing via an acoustic port of the microphone housing, and an electrical circuit disposed in the microphone housing and electrically coupled to the MEMS motor and to electrical contacts on an exterior of the microphone housing. The electrical contacts can be physically accessible through the opening of the adapter housing. The adapter housing can change a form-factor of the MEMS microphone.

Abstract: In an embodiment, an earphone having a solid earphone body is provided. A first mounting recess is formed in a first end of the earphone body. A first acoustic driver is disposed in the first mounting recess. At least a first sound bore is formed in the solid earphone body. The at least a first sound bore fluidly communicates with the first mounting recess and a first exit port formed at a second end of the earphone body. The second end of the earphone body is configured to be placed in an ear canal of a user. The earphone can be fabricated by a method that includes defining negative spaces for the first acoustic driver and the at least a first sound bore in a virtual model of the earphone body.

Abstract: A multimodal audio broadcast assembly for selectively enabling individual and group listening includes a pair of earbuds and a docking station. Each earbud is selectively engageable a respective ear of a user so that the earbud is removably engaged to the respective ear. The earbuds can receive wirelessly an audio signal from an electronic device and can broadcast the audio signal into the ears of the user. The docking station operationally engages the pair of earbuds so that the docking station is positioned to charge the pair of earbuds. The docking station also can receive the audio signal from the electronic device. A dock speaker is engaged to the docking station and is positioned to selectively broadcast the audio signal.

Abstract: The present disclosure provides speaker device. The speaker device includes frame, vibration unit fixed to frame and magnetic circuit unit driving vibration unit to vibrate and produce sound, where magnetic circuit unit is provided with magnetic gap; vibration unit includes diaphragm, voice coil inserted in magnetic gap to drive diaphragm to vibrate and holder connected to diaphragm; side of frame close to diaphragm is at least partially embedded into diaphragm; first surface is formed on side of frame away from diaphragm; second surface is formed on side of diaphragm close to magnetic circuit unit. The present disclosure solves problem of glue overflow of holder by means of reserved space between frame and diaphragm. In addition, by using first surface of holder as supporting surface, present disclosure improves dimensional consistency of gluing with flexible printed circuit (FPC), etc., thereby improving product yield.

Abstract: Ear-fitting headphone attachment apparatus, systems that utilize the aforementioned attachment apparatus, and methods of its manufacture and use. In one aspect, an attachment apparatus is disclosed. In one embodiment, the attachment apparatus includes a coiled wire having an interference dimension. The coiled wire includes an attachment point for the attachment of a decorative item. In another embodiment, the attachment apparatus includes an extruded or injection molded tube of material. A pair of wires wraps around the tube of material in opposite direction, the pair of wires residing around an outside perimeter of the tube of material and entering into the tube of material where it exits at a bottom portion of the tube of material. In yet another embodiment, the attachment apparatus includes a woven textile having a crosshatch pattern associated therewith. In yet another embodiment, the attachment apparatus includes thin metal strips that collectively have a crosshatch pattern associated therewith.

Abstract: A transducer in which electrical connections between electrode sheets and leading wires can be secured via an approach other than soldering or welding is provided. In a sheet body portion, a dielectric layer and a first electrode sheet are joined by a first main fusion layer formed of a fusion material. A first conductive portion of a first leading wire is fixed to the sheet body portion by a first clamp. The first clamp includes a plurality of first leg portions that penetrates the sheet body portion in a thickness direction, a first coupling portion that couples the proximal ends of the plurality of first leg portions and is disposed across the first conductive portion, and a plurality of first bent-back portions that is formed by bending the respective distal ends of the plurality of first leg portions and is locked with a second surface of the sheet body portion.

Abstract: The present application discloses a screen sounding system having a screen, an exciter for driving the screen, and a magnetic element fixedly connected with the screen. The exciter includes a housing with an accommodation space and a magnet arranged in the accommodation space. The housing is fixed on the magnetic element through magnetic attraction force between the magnet and the magnetic element. Compared with the related art, the screen sounding system disclosed by the present application facilitates removal and installation of the exciter. The position of the exciter can be adjusted through slip. Meanwhile, the magnetic element can avoid an influence on the screen caused by a magnetic field of the exciter.

Abstract: The present disclosure discloses a speaker including a frame with two open ends, a vibration system sealing one open end of the frame, a magnetic circuit system, and an air-permeable mesh. The magnetic circuit system includes a yoke sealing another open end of the frame, a first magnet, a second magnet arranged at two opposite sides of the first magnet, a through hole penetrating the yoke and arranged at another two opposite sides of the first magnet, and an extension wall bending and extending from a side of the through hole close to the first magnet in a direction close to the vibration system. The air-permeable mesh is attached to the yoke and covers the through hole. Compared with the related art, the speaker disclosed by the present disclosure has a better acoustic performance.

Abstract: A hearing aid including a hearing aid antenna assembly, a transceiver, and an acoustic transducer is provided. The hearing aid assembly includes a resonant loop antenna, a coupling mechanism such as a primary loop, and an electrically conductive assembly. The resonant loop antenna forms an aperture that is arranged to be substantially parallel to a head of the wearer when the hearing aid is worn. The coupling mechanism is configured to transfer RF energy between the transceiver and the resonant loop antenna. The resonant loop antenna excites the electrically conductive assembly. The electrically conductive assembly includes a battery shield. The resonant loop antenna, the coupling mechanism, and/or the electrically conductive assembly are formed in one or more conductive layers of FPCB. The resonant loop antenna includes a course tuning capacitor in series with a fine tuning capacitor. The primary loop includes a resonating capacitor.

Abstract: The present disclosure discloses a loudspeaker apparatus. The loudspeaker apparatus may include a circuit housing, an ear hook, a rear hook, a loudspeaker component, and a magnetic connector. The circuit housing may be configured to accommodate a control circuit or a battery component. The ear hook may be connected to one end of the circuit housing and at least partially covered by a first protective housing. The rear hook connected to another end of the circuit housing and at least partially covered by a second protective housing. The magnetic connector may be configured to absorb a charging interface of an external power source to establish an electrical connection so as to charge the loudspeaker apparatus.

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

Abstract: An echo cancellation detector for controlling an acoustic echo canceller that is configured to cancel an echo of a far-end signal in a near-end signal in a telephony system, the echo cancellation detector comprising a comparison generator configured to compare the far-end signal with the near-end signal, a decision unit configured to make a determination about a first acoustic echo canceller based on that comparison and a controller configured to control an operation of a second acoustic echo canceller in dependence on the determination.

Abstract: A headphone assembly that includes a support member for mounting the earphone, wherein the support member can be a headband or an ear loop. The earphones can be connected to the support member through a fixed member that can be supported on the head adjacent to the ear. The earphones are rotatably coupled to the fixed member, such as the earphones can be rotated between an on-ear position and a stowed position. In the on-ear position, the earphone is in contact with the ears of the wearer, and in the stowed position, the earphones can be rotated away from the ears.