Abstract: Techniques described herein generally relate to generating an audio signal with a speaker. In some examples, a speaker device includes an acoustic medium; and at least one ultrasound source coupled to the acoustic medium through at least one time-varying acoustic coupler. The acoustic coupler is configured to be electrically activated to operate at its mechanical resonance so as to generate an audio signal.

Abstract: A speaker and an electronic device are provided. The speaker includes a counterweight body, and a lower shell, a middle shell, an electric vibration plate, and a dome where the lower shell, the middle shell, and the electric vibration plate are matched to form an accommodating cavity, and the counterweight body is disposed in the accommodating cavity and is connected to a first surface of the electric vibration plate; the dome is disposed on a second surface of the electric vibration plate away from the counterweight body; and when a voltage is applied to the electric vibration plate, the electric vibration plate drives the dome to move.

Abstract: An apparatus for generating an enhanced sound field description has: a sound field generator for generating at least two sound field layer descriptions indicating sound fields with respect to at least one reference location; and a meta data generator for generating meta data relating to spatial information of the sound fields, wherein the sound field descriptions and the meta data constitute the enhanced sound field description. The meta data can be a geometrical information for each layer such as a representative distance to the reference location.

Abstract: Systems and methods are described to extract desired audio from an apparatus to be worn on a user's wrist. The apparatus includes a wrist wearable device, configured to be worn on the user's wrist. The wrist wearable device includes a first microphone. The first microphone has a first response pattern. The first microphone is coupled to the wrist wearable device. The first microphone is positioned on the wrist wearable device to receive a voice signal from a user when the wrist wearable device is on the user's wrist.

Abstract: A vibration device includes a plate-like glass vibrator and a plurality of exciters that are attached to the glass vibrator and configured to generate vibration according to an input electrical signal. An aspect ratio La/Lb of a length La of a longer side to a length Lb of a shorter side of a rectangle in which the glass vibrator is inscribed is 1.2 to 50. Provided that the number of the exciters is n and a minimum value of distance between the exciters is Smin, a relational value ? (?=Smin?1)/La) is 0.2 to 0.8. In the case where the number n of exciters is 3 or larger, a value ?(?=S?/Save) obtained by dividing a standard deviation S? of distances by an average Save of the distances between the exciters is 0 to 0.5.

Abstract: To perform an efficient and stable area sound pick-up process. The present invention relates to a sound pick-up apparatus.

Abstract: A binaural hearing aid system includes first and second hearing aids configured to be worn by a user at or in respective first and second ears of the user, each of the first and second hearing aids including: at least one input transducer configured to pick up a sound at the at least one input transducer and to convert the sound to at least one electric input signal representative of the sound, the sound at the at least one input transducer including a mixture of a target signal and noise; a controller for evaluating the sound at the at least one input transducer and providing a control signal indicative of a property of the sound; a transceiver configured to establish a communication link between the first and second hearing aids allowing the exchange of the control signal between the first and second hearing aids; a transmitter for establishing an audio link for transmitting the at least one electric input signal, or a processed version thereof, to another device.

Abstract: The disclosure relates to a charging kit for charging one or more rechargeable hearing devices being configured to be worn by a user. The charging kit comprises a base charger being configured to receive a first model specific insert, the base charger comprising a transmitter charging element, where the first model specific insert is adapted to removably receive at least a first model specific hearing device of the one or more hearing devices, the first model specific hearing device comprising a first receiver charging element. The transmitter charging element is arranged in the base charger on an adjustable support.

Abstract: As described in some examples of this disclosure, a Behind-The-Ear (BTE) hearing instrument comprises processing circuity, a battery that stores energy for use by the processing circuitry, and a housing that contains a receiver configured to output sound. The receiver is positioned within the hearing instrument posterior to the processing circuitry and the power source.

Abstract: An integrated optical transducer for detecting dynamic pressure changes comprises a micro-electro-mechanical system, MEMS, die having a MEMS diaphragm with a first side exposed to the dynamic pressure changes and a second side, and an application-specific integrated circuit, ASIC, die having an optical interferometer assembly. The interferometer assembly comprises a beam splitting element for receiving a source beam from a light source and for splitting the source beam into a probe beam in a first beam path and a reference beam in a second beam path, a beam combining element for combining the probe beam with the reference beam to a superposition beam, and a detector configured to generate an electronic interference signal depending on the superposition beam. The MEMS die is arranged with respect to the ASIC die such that a gap is formed between the second side of the diaphragm and the ASIC die, with the gap defining a cavity and having a gap height.

Abstract: In an embodiment an apparatus includes a display panel and a speaker module. The panel has a display layer for displaying images and defines a plurality of apertures penetrating through at least the display layer. The speaker module includes a diaphragm arranged substantially parallel to the display layer. Sound from the speaker diaphragm is directed outside a device through the apertures and the display layer is configured for displaying at least one virtual image in relation to generated sound waves wherein the display panel is acoustically transparent.

Abstract: A sound producing package structure includes a shell and a chip. The shell includes a top structure, a bottom structure and a sidewall structure. The chip is disposed inside the shell and configured to produce an acoustic wave, wherein the chip includes a thin film structure and an actuator configured to actuate the thin film structure, and the thin film structure is substantially parallel to the top structure and the bottom structure. A first opening is formed on the sidewall structure, and the acoustic wave propagates outwards through the first opening.

Abstract: Systems and methods for a transducer assembly for a vehicle having a resonating surface. The transducer assembly comprising a housing, a spacer connected to the housing, and a piezoelectric assembly disposed between the spacer and the housing. The spacer is configured to connect to the resonating surface to form an air gap between the resonating surface and the piezoelectric assembly.

Abstract: The invention relates to a MEMS transducer comprising a vibratable membrane for generating or receiving pressure waves in a fluid in a vertical direction, wherein the vibratable membrane is supported by a carrier and the vibratable membrane exhibits two or more vertical sections which are formed parallel to the vertical direction and comprise at least one layer of actuator material. The end of the vibratable membrane is preferably connected to an electrode, such that the two or more vertical sections can be induced to vibrate horizontally by driving the at least one electrode, or such that an electrical signal can be generated at the at least one electrode when the two or more vertical sections are induced to vibrate horizontally.

Abstract: A system with an earpiece that comprises a rechargeable earpiece power source and a case that is configured to interface with the earpiece in an earpiece power source charging configuration and comprises a case power source that is configured to recharge the earpiece power source. A detection circuit, located in part in the earpiece and in part in the case, includes at least one earpiece electrical contact that is configured to electrically couple to at least one case electrical contact when the earpiece is interfaced with the case in the earpiece power source charging configuration. The detection circuit is configured to detect, using the earpiece and case electrical contacts, whether the earpiece is interfaced with the case in the earpiece power source charging configuration, even if one of the earpiece power source and the case power source does not have power.

Abstract: A system may include a wearable camera configured to capture images and a microphone configured to capture sounds. The system may also include a processor programmed to receive the images; identify a representation of one or more individuals in the images; receive from the microphone a first audio signal associated with a voice; determine, based on analysis of the images, that the first audio signal is not associated with a voice of any of the one or more individuals; receive from the microphone a second audio signal associated with a voice; determine, based on analysis of the images, that the second audio signal is associated with a voice of one of the one or more individuals; and cause a first amplification of the first audio signal and a second amplification of the second audio signal. The first amplification may differ from the second amplification in one aspect.

Abstract: A hearing aid that includes a microphone, a signal processor, and a speaker transmits a signal to a computer. The signal transmitted to the computer can be the input to the microphone (before processing) or the output to the speaker (after processing). This enables the capturing of a HRTF that does not or that does include the enhancements of the hearing aids.

Abstract: Proposed is a vibration sensor including: a substrate; a first electrode positioned on the substrate; a support positioned on the first electrode and including a cylindrical hollow hole; and a diaphragm including a thin film positioned on the support and a second electrode positioned on the thin film. According to the present disclosure, it is possible to manufacture a skin-attachable vibration sensor that is attached to a user's neck to detect vibration acceleration in user's neck skin, thus exhibiting a uniform and high sensitivity to a user's voice over the frequency range of the human voice. In addition, the sensor sensitively detects a user's voice through neck skin vibrations rather than through air, thus being free from the influence of external noise or wind, and can recognize the user's voice even in a situation where a user's mouth is covered.

Abstract: A micrometric speaker includes a frame, an electromechanical transducer, and a mechanical-acoustic transducer comprising a rigid plate movably mounted in the frame. The electromechanical transducer comprises two piezoelectric actuators and two elastic strips. The frame comprises a central crossmember from which the two strips extend until engaging two lateral coupling edges of the mechanical-acoustic transducer, and the mechanical-acoustic transducer comprises two linearising springs each extending from one of the lateral edges to the rigid plate, to enable, during a deformation of the strips, a movement of the two lateral edges to the central crossmember and reduce the longitudinal constraints applied to the strips during their deformation due to their “recessed-guided” bending configuration.

Abstract: Systems and methods for detecting and configuring passive speakers within a playback system using a graphical user interface are disclosed. In one embodiment, a method of for detecting and configuration passive speakers in a playback system using a mobile device includes deriving speaker identification data concerning one or more passive speakers connected to an audio device in a playback system based upon at least an electrical signal sent to and returned from the one or more passive speakers, where the electrical signal is sent by the audio device including an audio stage comprising one or more amplifiers, and where the speaker identification data comprises information identifying a type of speaker, and displaying a graphical user interface screen on a mobile device based upon the identified type of speaker, where the displayed information and selectable options are dependent upon the identified type of speaker.