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WO/2022/169355A1 |
An amplifier for a dual backplate MEMS microphone (1) comprising at least a first source follower (6) which has a gate for connection to a first backplate (2) of the dual backplate MEMS microphone (1), and a load circuit(10) connected to...
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WO/2022/168188A1 |
This ultrasonic transducer comprises: a support board that has a plurality of recesses opened in a first surface and a plurality of waveguides opened in a second surface; a flexible resin film that is fixed to the support board; and a pl...
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WO/2022/160754A1 |
The present application discloses a wireless headset fault detection method, which is applied to a fault detection device, and comprises: receiving hardware working information sent by a wireless headset; performing a fault detection ope...
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WO/2022/161446A1 |
The embodiments of the present application provide a control method and apparatus, and an electronic apparatus. The method comprises: identifying at least two sound playing apparatuses and at least two sound pickup apparatuses located in...
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WO/2022/161305A1 |
Disclosed are an earphone state detection method and apparatus. The earphone state detection method is applied to earphones. The earphone comprises a housing, and a main board, a first capacitance sensor and a second capacitance sensor t...
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WO/2022/164521A1 |
A device includes a micro-electromechanical system (MEMS) element configured to sense acoustic signals. The device also includes a circuitry configured to enable the microphone element to sense the acoustic signals. The circuitry is furt...
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WO/2022/159530A1 |
An example method includes monitoring audio channels, determining an energy level of the audio channels, identifying a fault of one or more of the audio channels based on the energy level, and determining whether the fault is a low confi...
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WO/2022/159621A1 |
An example method of operation may include initiating an automated tuning procedure, detecting via one or more microphones a sound measurement associated with an output of one or more speakers at two or more locations, determining a numb...
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WO/2022/159527A1 |
An example method of operation includes performing a plurality of polar pattern permutations based on a function of an inputted magnitude and phase adjustment range, determining a plurality of polar pattern outputs, creating a list of th...
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WO/2022/150950A1 |
Disclosed are a method and apparatus for evaluating the consistency of a microphone array. The method comprises: acquiring a plurality of audio signals collected by a microphone array, with a first audio signal being collected by a first...
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WO/2022/153226A1 |
A method and system for managing a user sound exposure are described herein. The method includes collecting raw audio data, calculating spectral data and a sound pressure level (SPL) from the raw audio data, comparing the calculated SPL ...
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WO/2022/148249A1 |
The present application provides an impedance device, comprising: a mass portion, an elastic portion and a fixed portion, the mass portion is connected to the fixed portion by means of the elastic portion; and a damping portion disposed ...
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WO/2022/145722A1 |
An audio output device according to various embodiments of the present disclosure comprises a sensor, a power management circuit, a communication circuit, and a processor operatively connected to the sensor, power management circuit, and...
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WO/2022/145914A1 |
Disclosed is an electronic device comprising a wireless communication circuit, a power management circuit, and a control circuit, wherein the control circuit: in a state in which connection of first communication with a first audio outpu...
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WO/2022/144801A1 |
Some demonstrative embodiments include apparatuses, systems and/or methods of testing an acoustic device, an acoustic component, and/or a device or system including one or more acoustic devices. For example, an acoustic device tester may...
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WO/2022/139899A1 |
Apparatus, systems, methods, and articles of manufacture are disclosed for acoustic signal processing adaptive to microphone distances. An example system includes a microphone to convert an acoustic signal to an electrical signal and one...
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WO/2022/132716A1 |
The present document describes techniques associated with a textile-material model for vibroacoustic structural simulation. The techniques described herein provide a nontrivial methodology to test a textile and simplify its representatio...
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WO/2022/132126A1 |
A mobile device includes a panel audio loudspeaker including a display panel and an actuator coupled to the display panel. The mobile device includes a temperature sensor arranged to sense a temperature of the display panel, and an elect...
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WO/2022/117480A1 |
A method and device for audio steering from a loudspeaker line array of a display device toward a user direction is disclosed. Data corresponding to a viewer gesture is obtained from at least one sensor of a display device. A distance an...
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WO/2022/113063A1 |
An acoustic many-to-many localization, communication and management system serving a group whose members are moving or maneuvering, the system comprising plural portable hardware devices which may be distributed to plural group members r...
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WO/2022/112997A1 |
A microphone calibration method, in particular a microphone for aeronautical use, comprising the following steps, coupling a reference microphone (3) to a first end (2-a) of a first standing-wave tube (2); coupling a microphone subjected...
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WO/2022/115154A1 |
Secondary path measurements and associated acoustic transducer-to-eardrum responses are obtained from test subjects. Both a least squares estimate and a reduced dimensionality estimate are determined that both estimate a relative transfe...
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WO/2022/106804A1 |
The present disclosure relates to circuitry for driving a capacitive load. The circuitry comprises pre-processor circuitry configured to process an input signal to generate a processed signal; driver circuitry coupled to the pre-processo...
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WO/2022/106626A1 |
Method for determining a sound field in an enclosed space or at a target position (TP) within the enclosed space, the method comprises the following steps: performing an acoustic measurement at at least one measurement position within th...
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WO/2022/101407A1 |
Disclosed herein are systems and techniques for microphone array calibration, as well as communication systems in which calibrated microphones can be used. The systems and techniques disclosed herein may provide both phase and magnitude ...
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WO/2022/098353A1 |
In at least one embodiment, a system for generating a location map for a plurality of loudspeakers assemblies in a line array is provided. The system includes a first loudspeaker assembly that includes at least one controller. The at lea...
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WO/2022/093295A1 |
Techniques of calibrating microphones and loudspeakers in a telepresence system includes generating calibration filters for microphones and/or speakers by deriving power spectral densities at each microphone from each loudspeaker. For ex...
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WO/2022/090070A1 |
Method for Positioning a Shaker and Use of the Shaker for Vibration Control The present invention relates to a method for positioning a shaker (1) in a seat comprising a headrest (103) and a backrest (104), wherein the headrest comprises...
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WO/2022/092663A1 |
The present invention relates to a training system and method for sound directional discrimination ability. The system may comprise: a speaker which is located in an angle range determined left or right in front of a human dummy or is di...
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WO/2022/092535A1 |
An electronic device is disclosed. The electronic device comprises a communication interface and a processor, which controls the communication interface so that an audio signal is transmitted to an external audio output device, identifie...
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WO/2022/093039A1 |
Device and method for measuring and visualizing the sound level in a place where at least two persons are gathered, comprising at least one sound detector which is connected to at least one visualization device in such a way that the vis...
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WO/2022/085953A1 |
An electronic device comprises a speaker, a microphone, memory, a digital signal processor (DSP), a driver for converting a digital signal output from the digital signal processor into an analog signal and outputting same to the speaker,...
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WO/2022/075998A1 |
In at least one embodiment, a system for providing a multi-beam constant beamwidth transducer (CBT) array is provided. The system includes an array of transducers and at least one controller. The array of transducers generates a first so...
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WO/2022/071812A1 |
According to a first aspect of the invention, there is provided a method of beamforming for a linear microphone array comprising: storing a desired end-fire beam response including a beamwidth specification; determining an error data set...
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WO/2022/069877A1 |
Monitoring circuitry, comprising: a current monitoring unit operable to monitor a speaker current flowing through a speaker and generate a monitor signal indicative of that current; and a controller operable, based on a control signal, t...
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WO/2022/062095A1 |
A smart voice device wakeup test apparatus (100), comprising a fixed support (10), a first clamping assembly (20), a second clamping assembly (30), and a vibration exciter (40). The vibration exciter (40) is fixedly provided on the first...
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WO/2022/052257A1 |
Disclosed in the present application are a one bone conduction communication device testing method, apparatus and system. A vibration exciter in contact with a bone conduction communication device is disposed on a wearing part of an arti...
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WO/2022/053334A1 |
The invention relates to a method for locating a speaker in a reference frame (XYZ) linked to a vehicle (10), the method comprising the following steps: e1) pairing a first connected object (20, 21), comprising a first microphone, with t...
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WO/2022/055319A1 |
According to an embodiment, an electronic device comprises: a memory, a communication module comprising communication circuitry, a first speaker including at least one vibration component including circuitry, at least one first microphon...
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WO/2022/042862A1 |
The present disclosure relates to an earphone device. The earphone device comprises an ear adjustment unit and a processor. The ear adjustment unit comprises an eartip, and a sensor. The ear adjustment unit is adapted to be adjusted to a...
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WO/2022/041168A1 |
Disclosed are a method and system for detecting a state of a bone conduction hearing device. A bone conduction hearing device at least comprises a microphone, a loudspeaker, a feedback analysis unit, and a signal processing unit. The met...
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WO/2022/043652A1 |
A method and apparatus for detecting a microphone condition of a microphone, the method comprising: applying an electrical stimulus to a microphone; measuring an electrical response to the electrical stimulus at the microphone; comparing...
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WO/2022/041167A1 |
Disclosed in the embodiments of the present application are a method and system for obtaining a vibration transfer function. The method comprises: a test signal generation unit generates a first test sound signal and a second test sound ...
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WO/2022/040451A1 |
Embodiments of a configurable loudspeaker using a user orientable routing card (120) that allows for multiple electrical drive modes in a non-powered loudspeaker system (122). The speaker has one or more drivers (126, 128) mounted in enc...
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WO/2022/035413A1 |
A computing system can implement a computer-implemented method for providing selective control of an acoustic environment of a user. The computer-implemented method can include determining a selected audio source of a plurality of audio ...
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WO/2022/036105A1 |
Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for detecting and classifying radio signals. The method includes obtaining one or more radio frequency (RF) snapshots corresponding to a firs...
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WO/2022/035126A1 |
Disclosed is a method for controlling an electronic apparatus connected to a source device and a sound output device. A method for controlling an electronic apparatus, according to the present disclosure, comprises the steps of: receivin...
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WO/2022/030847A1 |
Disclosed is an electronic device comprising: an ear connector into which an earphone plug is inserted; a first comparator which outputs a first output signal by comparing an input signal applied from a first terminal connected, via a fi...
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WO/2022/027031A2 |
An adaptive noise cancelling system utilizing a plurality of multi-axis accelerometers and a plurality of microphones, wherein the plurality of multi-axis accelerometers and the plurality microphones may be used in combination to pick up...
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WO/2022/025580A1 |
The disclosure relates to a noise shield type external sound detection device for a vehicle, wherein basic noise, such as traveling wind caused by driving of a vehicle or a tire noise caused by road surface friction, are shielded or redu...
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