Abstract: An electroacoustic transducer includes a driver, a diaphragm 13 driven to vibrate by the driver and emitting sound, a baffle 22 holding the driver and the diaphragm 13, first openings 25 extending through the baffle 22, an acoustic resistor 23 disposed on the back side of the baffle 22, and second openings 26 extending from the front side to the back side of the acoustic resistor 23. The baffle 22 is provided on the back side of the diaphragm 13. The first openings 25 are provided in the baffle 22. The second openings 26 are each disposed above one of the first openings 25 in the acoustic resistor 23. The electroacoustic transducer exhibits an excellent frequency response even if a sufficient volume of a space is not provided on the back side of the diaphragm 13.

Abstract: In one aspect, an apparatus for connecting a first object to a second object includes a member with a plurality of teeth and an attachment element which includes a plurality of teeth which can engage with the teeth of the member. One of the member and the attachment element are securable to one of the first and second objects. The other of the member and the attachment element are securable to the other of the first and second objects. A securing device prevents the member's teeth from disengaging with the attachment element's teeth such that the attachment element is secured to the member at a certain location along the member. As such, the attachment element can be secured to the member at a plurality of different locations along the member so that the first object can be connected to the second object in a plurality of different positions.

Abstract: A facility is provided for the wireless resonant charging of rechargeable hearing instruments. The hearing instrument is freely positionable in a charging device for charging purposes. The charging device for the wireless charging has a transmit antenna arrangement, a transmit amplifier for actuating the transmit antenna arrangement and a charging space. The transmit antenna arrangement has two feeding points, which are spatially arranged in relation to the charging space such that a circularly polarized electromagnetic field can thus be generated in the charging space. The transmit amplifier actuates the antennas accordingly to generate a circularly polarized electromagnetic field in the charging space. In the process a coil arrangement generates a circularly polarized HF field. A good resonant coupling, even with a tilted hearing instrument, is possible, in other words with an undetermined and unpredictable orientation and position of the receive coil of the hearing instrument.

Abstract: Particular embodiments described herein provide for an electronic device that includes a plurality of audio acquisition areas. Each of the plurality of audio acquisition areas can include a microphone element to detect audio data, an audio opening that allows the audio data to travel to the microphone element, and a windscreen that covers at least the audio opening. An audio module can be configured to receive the audio data from each of the plurality of audio acquisition areas and enhance the audio data.

Abstract: The present invention relates to an ear wing including: a coupling portion coupled to a sound output device; a deformable fixing portion deformed with a curvature to correspond to the shape of the antihelix in such a manner as to be located inside the antihelix and for fixing the position of the coupling portion to an external ear; and a variable portion for connecting the coupling portion and the deformable fixing portion in such a manner as to support the deformable fixing portion thereagainst and having at least one or more variable parts changed in shape according to the deformation of the deformable fixing portion.

Abstract: The present invention discloses a speaker relating to the technical field of electro-acoustic products, including a housing in which a vibration system and a magnetic system are contained, the magnetic system including a magnet and a magnetic permeability piece combined together, several slits are provided on at least one component of the magnet and the magnetic permeability piece, the depths of the respective slits all extend in a horizontal direction and the lengths of the respective slits all extend in a vertical direction. The speaker of the present invention solves the technical problems in prior art of more components, high cost, difficult assembly etc. of the speaker. The speaker of the present invention also has the advantages of less components, low production cost, simple assembly and easy operation, high production efficiency, a high qualified rate of the end product, a remarkable acoustic performance, etc.

Abstract: A speaker module, An electronic device, and a display device include a housing, a main board, and at least one speaker module placed in the housing. The at least one speaker module includes at least one first speaker unit disposed in a first direction and at least one second speaker unit disposed in a second direction different from the first direction and having at least one side of the at least one second speaker unit contacting with at least one side of the at least one first speaker unit. Driving vibrations may be offsetted because the speaker units are disposed in different directions.

Abstract: Embodiments are provided for components configured for audio playback. According to certain aspects, a transducer includes dual voice coils disposed in a magnet section, whereby the magnet section generates an electromagnetic field that causes the dual voice coils to actuate in response to an applied audio signal. The transducer further includes a diaphragm coupled to the dual voice coils that actuates according to the dual voice coils and produces audio output. In some implementations, the transducer may be disposed within a cutout area of an electronic device, whereby the transducer is secured to the electronic device via a roll-surround suspension.

Abstract: An acoustic device having a housing and an acoustic transducer is disclosed. The housing has a transducer space for the acoustic transducer, and a back volume space. The back volume is filled with a sound adsorber material. The sound adsorber material in the back volume space is configured to virtually increase the size of the back volume space, and shift the resonant frequency of the back volume space. The acoustic chamber for the acoustic transducer and the sound adsorber material is integral to the split-shell housing of the acoustic device. The sound adsorber material is retained in a portion of the acoustic chamber by an acoustically permeable material that facilitates gas exchange within the back volume space, and between the sound adsorber material and the transducer space. The acoustically permeable material is configured in different arrangements to facilitate the gas exchange.

Abstract: A speaker module, An electronic device, and a display device include a housing, a main board, and at least one speaker module placed in the housing. The at least one speaker module includes at least one first speaker unit disposed in a first direction and at least one second speaker unit disposed in a second direction different from the first direction and having at least one side of the at least one second speaker unit contacting with at least one side of the at least one first speaker unit. Driving vibrations may be offsetted because the speaker units are disposed in different directions.

Abstract: A multi-mode microphone assembly includes a mono microphone, a stereo microphone, and a rotary switch contained within a housing. The mono microphone has a mono input/output mode and the stereo microphone has a stereo input/output mode. Only one input/output mode is active depending on the position of the rotary switch within the housing. When the rotary switch is in a first position only the mono input/output mode is activated and when the rotary switch is in a second position the mono input/output mode is deactivated and the stereo input/output mode is activated. The first position of the rotary switch corresponds to a first position of the housing. The second position of the rotary switch corresponds to a second position of the housing. The first and second positions of the housing are offset 180 degrees from one another.

Abstract: A speaker is provided in the present disclosure. The speaker includes a shell, a magnetic system and a vibrating system. The shell includes a cover and a frame assembled with the cover for forming a receiving cavity. The magnetic system is received in the receiving cavity for providing a magnetic gap. The vibrating system includes a diaphragm and a coil module suspended in magnetic gap, the coil module is connected to the diaphragm for driving the diaphragm to vibrate, the diaphragm includes a main body, a periphery surrounding the main body and a connecting part extending outwards from the periphery. The main body is non-coplanar with the connecting part.

Abstract: A hearing aid with an assembly, the assembly includes: a first side; a second side; a signal processor; a wireless communications unit, the wireless communications unit being connected to the signal processor; and a monopole antenna for electromagnetic field emission and electromagnetic field reception, the antenna being connected to the wireless communications unit, the antenna having an excitation point; wherein at least a part of a first branch of the antenna extends from the excitation point along the first side of the assembly, the first branch having a first end, the first end being free or being coupled with the excitation point via a third branch; and wherein a second branch of the antenna extends from the excitation point, at least a part of the second branch extending in a space located between the first side of the assembly and the second side of the assembly.

Abstract: A speaker module includes a casing and a speaker unit housed and fixed in the casing, a rear acoustic cavity being formed between the casing and the speaker unit, wherein at least one baffle wall is provided on the casing in the rear acoustic cavity and divides the rear acoustic cavity into at least two cavities, and wherein at least one slit is formed between the baffle walls or on the baffle wall, so that sound generated by the speaker unit can spread to an adjacent cavity inside the rear acoustic cavity through the slit.

Abstract: A speaker unit includes a magnet having poles and generating magnetic flux, and a yoke part forming a path of the magnetic flux and including a first yoke extending from one of the poles, a second yoke extending from another one of the poles, and magnetic gaps disposed between the first yoke and the second yoke. The speaker unit further includes a voice coil disposed between the magnetic gaps and moving when applied with an electric current, and a diaphragm generating sound pressure while vibrating according to the movement of the voice coil. The first yoke includes magnetic plates protruding toward the second yoke, and the magnetic plates have thicknesses different from each other.

Abstract: A transducer including a driven element and a magnet assembly. The magnet assembly is coupled to the driven element and includes a first, second and third magnet. Each of the magnets have a first and second magnetic pole. The first magnetic pole of the first magnet and the first magnetic pole of the second magnet being proximate to each other and facing each other thereby defining a magnetic zone therebetween. The second magnetic pole of the third magnet being magnetically proximate to said magnetic zone. The first magnetic poles all having the same polarity, and the second magnetic poles all having the same polarity.

Abstract: Disclosed herein, among other things, are methods and apparatus for allocating feedback cancellation resources for improved acoustic feedback cancellation for hearing assistance devices. In various embodiments, a hearing assistance device includes a microphone and a processor configured to receive signals from the microphone and process them according to a plurality of processing blocks. The processor is adapted to include an event detector that can provide detection of an event and an output to adjust one or more processing blocks of the overall process to more efficiently use resources of the processor for the event detected, in various embodiments.

Abstract: A loudspeaker module includes a housing composed of a hollow spherical central section having a central cavity and a plurality of wing members extending from the spherical central section. Each of the plurality of wing members includes a wing member cavity in fluid communication with the central cavity of the spherical central section. A central driver mounting plate secures a low-frequency driver to an aperture formed in the spherical central section. A loudspeaker module may also include a mid-range/high-frequency driver where a full range of sound frequencies are desired.

Abstract: A flat panel sound system (400) includes an acoustic backing (410) and stand-offs (412) on its back side. The stand-offs (412) are interposed between a frame (406) or housing (408) and the wall on which the sound system (400) is mounted. The sound system (400) further includes an electronic housing (414) and exciters (404) mounted on the frame (406). The electronics within the electronic housing (414) receive wireless inputs from a user interface and drive the exciters (404) to produce an audio output. The stand-offs (412) inhibit transmission of vibrations to the wall and allow acoustic waves to emanate the back side of the flat panel system.

Abstract: An audio headphone to couple to a strap for a head-mounted display is disclosed. The audio headphone includes a headphone speaker, a strap connector, and a four-bar linkage coupled to the strap connector to provide inward and outward movement of the headphone speaker with respect to a user's ear. The four-bar linkage comprises a first member coupled to the strap connector via a first joint, a second member coupled to the first member via a second joint, a third member coupled to the second member via a third joint, and a fourth member connected to the third member and coupled to the first member via a fourth joint. The fourth member is further coupled to the strap connector via a fifth joint. The third member comprises one or more rigid poles extending from the second member to the fourth member and surrounded by one or more respective elastic springs.