Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 101 - 150 out of 2,017

Document Document Title
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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,...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  

Matches 101 - 150 out of 2,017