Abstract: Systems and techniques are provided for a piezoelectric transducer. A base plate includes a first electrical contact and a second electrical contact. A transduction element is mounted directly on the base plate and electrically connected to the first electrical contact. A spacer includes a via. The via includes electrically conductive material. The spacer is mounted on the base plate around the transduction element and the electrically conductive material of the via is electrically connected to the second electrical contact. A diaphragm is mounted on the spacer and on the transduction element.

Abstract: A vehicle and a method of controlling the vehicle are provided. The vehicle may include: a speaker configured to output a sound into the vehicle; a detector configured to measure internal environment information representing an environment inside the vehicle and a noise factor determining a noise generated in the vehicle; and a controller configured to determine a tuning value based on a type of sound, to adjust the tuning value to correspond to at least one of the internal environment information or the noise factor, to adjust the sound by adjusting at least one of a size or a phase based on the adjusted tuning value, and to control the speaker to output the adjusted sound.

Abstract: The present invention relates to a miniature speaker comprising a plurality of sound generating elements, wherein each sound generating element comprises a sound cavity and a moveable element associated therewith, wherein the moveable element comprises one or more cantilever beams configured to move said moveable element and thus generate sound pressure waves in response to an applied drive signal. The present invention further relates to a receiver assembly comprising the miniature speaker, and a hearing device comprising the receiver assembly.

Abstract: A bimodal hearing stimulation system comprises an implantable stimulation assembly for applying neural stimulation to a patient's hearing according to an electrical stimulation signal; an acoustic stimulation unit for applying acoustic stimulation to the patient's hearing according to an acoustic stimulation signal; and a sound processor for generating the electric stimulation signal and the acoustic stimulation signal from an input audio signal. The sound processor is configured to divide the input audio signal into a plurality of frequency bands. The sound processor comprises a weighting unit for dynamically determining for each of the frequency bands a relative loudness weight of the electric stimulation and a relative loudness weight of the acoustic stimulation as a function of the present level of the input audio signal in the respective frequency band. The sound processor is configured to apply the weighting function when generating the electric stimulation signal and the acoustic stimulation signal.

Abstract: The present disclosure provides an ear cap and an earphone including a housing and the ear cap. The housing includes a body and a connecting rod protruding from the body. The ear cap includes a cap body and a connecting member arranged in the cap body. The cap body includes a first end surface and a second end surface arranged opposite to each other. The first end surface includes a first outer edge, and the second end surface includes a second outer edge, where the distance between each point of a projection of the first outer edge on a reference plane and the second outer edge is different, where the reference plane includes a plane on which the second outer edge is located. The hardness of the connecting member is greater than that of the cap body. The connecting member is capable of being detachably connected to the connecting rod.

Abstract: The present disclosure relates to a kernel-type earphone which is capable of easily implementing a pressure balance structure while hardly affecting acoustic characteristics of a speaker unit by using an existing general diaphragm and an existing general gasket.

Abstract: A sounding device, a manufacturing method thereof and a display device are provided. The sounding device includes at least two sounding units. Each of the sounding units includes: a transparent structural layer, including a recess and a supporting member located around the recess; and a piezoelectric vibrating film covering the recess, a cavity is formed by the piezoelectric vibrating film and the supporting member. The piezoelectric vibrating film includes a base film covering the recess; and at least one piezoelectric structure located on a side of the cavity away from the transparent structural layer. Each of the at least one piezoelectric structure includes: a first electrode; a piezoelectric material layer located on a side of the first electrode away from the cavity; and a second electrode located on a side of the piezoelectric material layer away from the first electrode.

Abstract: An omnidirectional loudspeaker box comprises a plurality of loudspeaker modules uniformly disposed in an annular configuration. Each loudspeaker module comprises one or more active vibration units and one or more passive vibration units. The one or more active vibration units are uniformly disposed in an annular configuration. The one or more passive vibration units are uniformly disposed in an annular configuration. The one or more active vibration units can respond to the input of external signals and drive the one or more passive vibration units to vibrate together, thereby generating improved sound quality and effect.

Abstract: Provided is a hearing device including a housing configured to be at least partially inserted into an ear canal of a user, a vent that provides venting between an inner region of the ear canal and the ambient environment, an acoustic valve with a valve member configured to adjust the effective size of the vent, an actuator that actuates the valve member, and an acoustic output transducer acoustically coupled to the inner region of the ear canal and configured to generate a sound output according to an audio signal. The hearing device further includes a control unit operatively connected to the actuator and the acoustic output transducer and configured to control the audio signal supplied to the acoustic output transducer such that the sound output is modified during adjustment of the valve member.

Abstract: Systems and methods for processing an audio signal are provided for server-mediated sound personalization on a plurality of consumer devices. A user hearing test is conducted on one of a plurality of audio output devices. Next, the hearing data of the user's hearing test is outputted to a server and stored on the server's database along with a unique user identifier. Next, a set of DSP parameters for a sound personalization algorithm are calculated from the user's hearing data. The DSP parameter set is then outputted to one of a plurality of audio output devices when the user logs in with their unique identifier on an application on the audio output device.

Abstract: A hearing system for stimulating an auditory system for sound perception by activating a particular region of a cochlea of a user using ultrasound signals, the particular region corresponding to a target frequency range, the system including: an ultrasonic transducer configured to deliver an ultrasound signal via an interface medium; and a processor communicatively coupled to the ultrasonic transducer, the processor to: obtain an audio signal, extract at least one of a temporal feature or a spectral feature from the audio signal, transpose the audio signal to the target frequency range based on extracting the at least one of the temporal feature or the spectral feature from the audio signal, generate a modulated ultrasound signal based on modifying a carrier signal having at least one frequency between 100 kHz and 4 MHz by the transposed audio signal, and provide the modulated ultrasound signal to the ultrasonic transducer for delivery via an interface medium.

Abstract: An embodiment of a system includes a light source, an optical assembly, and an electronic circuit. The light source (e.g., a laser) is configured to generate a source optical signal. The optical assembly is configured to direct the source optical signal into an end of an optical-fiber assembly that includes an optical fiber having a section wrapped multiple turns around a mandrel and including mandrel zones, and to receive, from the end of the optical-fiber assembly, a return optical signal. The electronic circuit is configured to select at least one mandrel zone in response to a component of the return optical signal from the at least one mandrel zone, and to detect an acoustic signal incident on the mandrel in response to the component of the return optical signal.

Abstract: For manufacturing a sound transducer structure, membrane support material is applied on a first main surface of a membrane carrier material and membrane material is applied in a sound transducing region and an edge region on a surface of the membrane support material. In addition, counter electrode support material is applied on a surface of the membrane material and recesses are formed in the sound transducing region of the membrane material. Counter electrode material is applied to the counter electrode support material and membrane carrier material and membrane support material are removed in the sound transducing region to the membrane material.

Abstract: An external device of a prosthesis, including an electronics component, which can be a sound processor of a hearing prosthesis, and a power component, which can be a battery, the power component being removably attached to the electronics component, wherein the BTE device is configured with electrostatic discharge protection between the electronics component and the power component.

Abstract: A system includes a panel extending in a plane, an actuator attached to a surface of the panel, and an electronic control module to activate the actuator to cause vibration of the panel. The actuator includes: a plate to create a force to cause vibration of the panel to generate sound waves, having a width, WT, at a first edge; a stub extending from the first edge of the plate, having a width at a region of connection to the plate that is less than WT, the stub being attached to the surface of the panel to transfer the force received from the plate to the panel and cause the panel to vibrate; and a damper supported by a surface of the plate facing the panel coupling the plate to the panel, the damper having a having a width greater than WS.

Abstract: The present invention discloses a speaker having a frame, a vibrating system and a magnet circuit system. The vibrating system has a vibrating diaphragm, a voice coil, and an elastic supporting. The magnetic circuit system has a main magnet, as secondary magnet located and spaced on two opposite sides of the main magnet, and a magnetic plate stacked on the secondary magnet and spaced away from the elastic supporting assembly. The magnetic plate includes a main body stacked on the secondary magnet and an extending wall extending from two opposite sides of the main body towards the main magnet and spaced away from the voice coil. The extending wall is facing and spaced away from the elastic supporting assembly. The speaker of the present invention has an excellent acoustic performance.

Abstract: A speaker position determination system includes a server, wherein the server includes: a processor configured to: acquire a first reproduction sound output from a first speaker and a second reproduction sound output from a second speaker at the same timing as the first reproduction sound, which are picked up by a sound pickup device arranged at a position of a speaker to be determined; calculate a first time lag indicating a time lag from an output timing of the first reproduction sound until a pickup timing of the first reproduction sound and a second time lag indicating a time lag from an output timing of the second reproduction sound until a pickup timing of the second reproduction sound; and determine the position of the speaker based on the first time lag and the second time lag.

Abstract: A sound anchor for transmitting a sound and vibration to human tissues in an ear canal is provided. The sound anchor includes a first link, and an anchor which is fixed to an ear canal inner wall of a user, receives the sound and vibration from the first link, and transmits the sound and vibration to at least one of an ear canal bone portion, a bone portion skin surface, and an auditory ossicle protrusion portion of an eardrum. The anchor includes a bar-shaped connection portion and an ear canal contact portion which is installed in the connection portion. The ear canal contact portion includes a first contact portion which is installed in one end portion of the connection portion and is in contact with the skin surface or the bone portion, and a second contact portion which is installed in the other end portion of the connection portion and is in contact with the skin surface or the bone portion. The first link is attachable to or detachable from the anchor.

Abstract: A MEMS microphone includes a backplate that has a plurality of open areas, and a diaphragm spaced apart from the backplate. The diaphragm is deformable by sound waves to cause gaps between the backplate and the diaphragm being changed at multiple locations on the diaphragm. The diaphragm includes a plurality of anchor areas, located near a boundary of the diaphragm, which is fixed relative to the backplate. The diaphragm also includes multiple vent valves. Examples of the vent valve include a wing vent valve and a vortex vent valve.

Abstract: A speaker assembly for being mounted within a wall is provided. The speaker assembly has a housing and a plurality of transducers supported by the housing. Each transducer has a front radiation surface and a radiation rear surface adapted to radiate sound along a central axis. The transducers are arranged relative to each other so the central axes of acoustic radiation of each of the transducers intersect at a circumcenter defined between the plurality of transducers to substantially cancel vibrations from the plurality of transducers. A slot is formed adjacent of each of the transducers. The slot extending a depth dimension of the assembly between a slot opening for transmitting acoustic radiation from the plurality of transducers and a back wall of the housing, wherein the depth dimension is generally perpendicular to the central axes of acoustic radiation of each of the transducers.