Abstract: In one aspect, the present invention provides nano-scale heaters, such as nano-scale thermoacoustic loudspeakers comprising suspended metal nanobridges prepared using atomic layer deposition (ALD). The loudspeakers of the invention are capable of producing audible sound when stimulated with an electrical current or other energetic stimulus. In another aspect, the present invention provides methods of preparing and using such nanodevices.

Abstract: In an embodiment, an electronic device 1 has a panel 20, a housing 10 that holds the panel 20, and a piezoelectric element 30 installed on the rear side of the panel 20, wherein the piezoelectric element 30 is installed at a position that allows for the vibration amplitude of the panel 20 to become the highest on the side closer to the center of the panel 20 in the longitudinal direction from the installed position of the piezoelectric element 30. The electronic device is capable of causing an entire panel to vibrate in a stable manner.

Abstract: An earphone is provided that has two diaphragms that are stretched on a frame and that are driven by means of an electroacoustic sound transducer that is not provided in the region of the two diaphragms. Instead, the sound transducer is acoustically coupled to the two diaphragms via a sound duct. The sound transducer preferably has a front and a rear volume, wherein the front volume of the sound transducer drives the two (parallel) diaphragms via the sound duct. This allows the provision of no electroacoustic reproduction transducer in the central region of the earpiece of an earphone.

Abstract: To reduce the driving loss in the diaphragm, and to ensure a good sound output in the wide bandwidth. It includes a circular coil bobbin at least partly disposed between a yoke and a magnet, a coil wound around the coil bobbin, the coil being configured to be moved with the coil bobbin where a driving current is supplied to the coil, a piezoelectric element having one end coupled to one end of the coil bobbin in a movement direction, the piezoelectric element being configured to be expanded and contracted and moved in a direction same as the movement direction where an electric current is supplied to the piezoelectric element, and a diaphragm having an inner circumference part coupled to another end of the piezoelectric element, and a coupled part of the diaphragm to the piezoelectric element and a coupled part of the piezoelectric element to the coil bobbin are positioned on a straight line in the movement direction.

Abstract: A hearing device includes: a first antenna; a first transceiver coupled to the first antenna and configured to wirelessly receive one or more audio streams from an audio system, the one or more audio streams including a first audio stream; a primary processing unit; an acoustic output transducer coupled to an output of the primary processing unit; a secondary processing unit with a first input coupled to an output of the first transceiver for receiving a first wireless input signal representative of the first audio stream from the first transceiver; a position controller for determining position data, the position controller having an output for sending a position control signal to the secondary processing unit; and at least one microphone coupled to the secondary processing unit; wherein the secondary processing unit is configured to process the first wireless input signal from the first transceiver based on the position control signal.

Abstract: A hearing aid communication system and a hearing aid communication method thereof are disclosed. The hearing aid communication method includes the following steps: determining whether the sound-providing apparatus is providing a digital signal; when the sound-providing apparatus is providing a digital signal, establishing a connection with the hearing aid; determining whether the digital signal has a sound signal; if the digital signal has the sound signal, further informing the hearing aid able to execute a streaming mode; receiving the digital signal to be transferred to the hearing aid; when the sound-providing apparatus has stopped providing the digital signal with a sound signal, notifying the hearing aid that it can stop executing the streaming mode; and when the sound-providing apparatus is not providing the digital signal, breaking the connection with the hearing aid.

Abstract: The systems and methods described herein relate to, among other things, a transducer capable of producing acoustic and tactile stimulation. The transducer includes a rigid mass element disposed on the diaphragm of a speaker. The mass element may optionally be removable and may have a mass selected such that the resonant frequency of the transducer falls within the range of frequencies present in an input electrical audio signal. The systems and methods advantageously benefits from both the fidelity and audio performance of a full-range speaker while simultaneously producing high-fidelity, adjustable and palpable haptic vibrations.

Abstract: The present invention disclosed a loudspeaker module, comprising an inner cavity enclosed by a shell, a voice coil and an FPCB installed in the inner cavity, leading wires of the voice coil and a flexible connection part between the leading wires and the FPCB, wherein one end of the flexible connection part is connected with a free end of the leading wires, and the other end thereof is connected with the FPCB; and the flexible connection part is suspended in the inner cavity through the leading wires and the FPCB. In the loudspeaker module of this invention, the leading wires can be vibrated with the flexible connection part, thereby effectively preventing the leading wires from falling and fracturing at the connection position, improving the reliability of the loudspeaker module, and simultaneously avoiding the large space demand and resonance caused by elongated leading wires.

Abstract: A method relates to manufacturing a sound output apparatus. The method includes processing a flat metal plate to have a shape with through-holes; forming a cylindrical grille by bonding two sides of the processed flat metal panel to each other so that a side corresponding to the upper end of the main shape forms an upper end of the grille and a side corresponding to the lower end of the main shape forms a lower end of the grille. The upper end of the grille is deformed to correspond to a shape of a cover by inserting the cover into an opening formed in an upper surface of the grille. A lower end of the grille is deformed to correspond to a shape of the lower-end holding portion formed in the base, by inserting the lower-end holding portion into a lower opening formed in the grille.

Abstract: An electronic device for reproducing data and a method thereof are provided. The electronic device includes a memory; and a processor. The processor is configured to determine a spatial characteristic of a space where content is reproduced, store the spatial characteristic in the memory, and change a sound of the content based on the spatial characteristic when the content is reproduced.

Abstract: An earphone includes a housing enclosing an acoustic transducer and having a front volume. The housing includes a nozzle that extends the front volume to at least an entrance of a wearer's ear canal, and a groove in an outer surface of the housing, extending at least along a length of the nozzle. A flexible ear tip is configured to attach to the housing. When the flexible ear tip attaches to the housing, the groove and a portion of an inner surface of the ear tip together form a port that acoustically couples the front volume with an environment external to the earphone.

Abstract: An audio system for a vehicle is described. The audio system includes an audio control computer device and an exterior audio assembly. The audio control computer device is in communication with a memory device. The audio control computer device is configured to store, in the memory device, at least one limited volume level and a corresponding speed range, receive a speed-related parameter indicative of an actual speed of the vehicle from a vehicle control system, determine if the actual speed of the vehicle is within the stored speed range based on the speed-related parameter, and permit operation of the exterior audio assembly at the at least one limited volume level when the actual speed of the vehicle is within the speed range.

Abstract: A user-programmable, head-supportable listening device with built-in WiFi media player is configured to provide user custom application programmability with higher fidelity sound provided by resident audio electronics and conduction speakers, in stereo and HD audio surround sound, the listening device having a user programmable electronics system assembly providing the ability to scan, detect, select and play audio and video from wired and wireless sources of audio and video signals, and from both residential media sources and online streaming music services, an audio media storage device to provide storage of user-selected media for accessing from the listening device or by an external wired and wireless device, which provides the user with control of speakers, wireless interfaces, automatic scanning capability and playing of audio-video media.

Abstract: This invention provides a phase plug for loudspeakers of the compression driver type having a body characterized by a plurality of channels, each channel constituting a wave passage for acoustic waves from an input surface (that receives acoustic waves) to an output surface (that transmits acoustic waves), the input surface being provided by an integral member. The positions and widths of the channel openings are determined in order to reduce acoustic resonances in the compression chamber. The acoustic channels are characterized by the fact that their openings towards the input surface depart in the axial direction. The width of the acoustic channels is computed in order to guaranteed that there will be no loss of acoustic intensity in the channels.

Abstract: A speaker apparatus capable of operating in a large amplitude regime by minimizing magnetic loss, is provided. The speaker device includes a magnet configured to generate a magnetic flux, a pole piece configured to form a path of the magnetic flux generated by the magnet, a back plate provided at a lower end of the pole piece to support the magnet, and a plate provided to form a magnetic gap between the plate and the pole piece. Several plates may be provided so that the magnetic gap is expanded to enlarge amplitude of output sound.

Abstract: A MEMS microphone and a method for manufacturing a MEMS microphone are disclosed. Embodiments of the invention provide a MEMS microphone including a MEMS microphone structure having at least one counter electrode structure and a diaphragm structure deflectable with respect to the counter electrode structure and a thermocouple arranged at the MEMS microphone structure.

Abstract: A headphone that includes a headband and one or two earcups. The earcups are movably coupled to the headband by a joint that is constructed and arranged to allow translation of the earcup relative to the headband along a translational axis, and rotation of the earcup from a neutral position in both directions about the translational axis, where in a first direction the rotation extends for at least about 90 degrees from the neutral position. The joint is further constructed and arranged to accommodate an electrical cable.

Abstract: An electroacoustic transducer includes: a polygonal-shaped laminated piezoelectric element including alternately stacked piezoelectric layers and electrode layers, with the piezoelectric layers placed between at least one pair of electrode layers having different polarities; and a circular vibration plate on which the laminated piezoelectric element is placed. Of the piezoelectric layers sandwiched between the at least one pair of electrode layers, the total volume (V) of those effective layers that overlap the at least one pair of electrode layers as viewed from the stacking direction satisfies the condition below: 0.2?R2×ts?V?2.0?R2×ts wherein ? represents the ratio of the circumference of a circle to its diameter, R represents the radius of the vibration plate, and ts represents the thickness of the vibration plate.

Abstract: A behind-the-ear sound processor module includes a BTE-housing; an adjustable microphone module attached to the BTE-housing for capturing input audio signals from ambient sound; and a sound processor unit for generating, from the input audio signals, a neural hearing stimulation signal to be supplied to an implantable neural stimulation arrangement, wherein the microphone module comprises a plurality of microphones and a support element for carrying the microphones, wherein the support element is movable between a beamformer position enabling the plurality of microphones to act as a directional microphone array in a beamformer audio signal processing mode of the sound processor unit and a T-Mic position enabling at least one of the microphones to act as a T-Mic in a T-Mic audio signal processing mode of the sound processor unit at a position closer to the entrance of the ear canal than in the beamformer position.

Abstract: A speaker device includes a first cabinet, a speaker unit, a second cabinet and a tube cabinet. The first cabinet is disposed in a casing and with a first chamber formed therein. The speaker unit is disposed in the first chamber. The second cabinet is connected to the casing and with an opening formed on the casing. The second cabinet has a second chamber formed therein and communicating with the opening. The tube cabinet connects the first cabinet and the second cabinet. The tube cabinet has a tube chamber formed therein and communicating with the first chamber and the second chamber. A sound generated by the speaker unit is enhanced in the first chamber, transmitted to the second chamber via the tube chamber and emitted out via the opening.