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Patent Searching and Data


Matches 1 - 50 out of 2,333

Document Document Title
WO/2021/002233A1
This control circuit is provided with: a voltage output circuit control unit which controls a voltage output circuit so as to apply a voltage corresponding to a second control signal across an electrostatic transducer when a first contro...  
WO/2021/002117A1
This control circuit comprises: a voltage output circuit control unit that, when a first control signal is at a first level, controls a voltage output circuit such that a voltage based on a second control signal is applied across both en...  
WO/2020/257491A1
A method for self-calibrating a sound pickup process that uses a microphone array in a wearable device that also includes a loudspeaker, where the microphone array being in a physical arrangement with respect to the loudspeaker. The meth...  
WO/2020/249378A1
The invention relates to a signal level display (2) for an audio device (1), comprising a first lamp (7) of a first color and a second lamp (8) of a second color, and comprising a control device (10) for controlling the lamps (7), (8) on...  
WO/2020/251088A1
Disclosed are a sound map generation method and a sound recognition method using a sound map, which are applied to a robot capable of recognizing sounds. The sound map generation method comprises the steps of: receiving sounds; extractin...  
WO/2020/247113A1
An audio accessory having a locally stored and executed policy. The policy includes a rule related to audio output generation. The audio accessory can be a peripheral audio accessory, and the policy can be stored on the peripheral audio ...  
WO/2020/247811A1
Techniques for allocating audio data between a first playback device and a second playback device are disclosed. The audio data comprises a plurality of audio portions and the method comprises: detecting a trigger associated with the fir...  
WO/2020/240338A1
The invention relates to a system comprising a hearing protection device (13) configured to be worn by a user (10); one or more audio output devices (26) configured to generate one or more audio signals, a computing device (60) comprisin...  
WO/2020/238702A1
Disclosed is a method for testing a power amplifier, wherein same belongs to the field of hardware testing. In the present invention, a control end is used to control a test end to sequentially perform, according to a test rule, tests on...  
WO/2020/229205A1
The invention provides a lighting device for determining and conveying an intelligibility of an audio signal, wherein the audio signal comprises a plurality of occurrences of a repeating audio feature, wherein each occurrence of the repe...  
WO/2020/223002A1
A method for determining a direct current impedance of a transducer may include receiving an input signal indicative of an electrical power consumed by the transducer and calculating, by a thermal model of the transducer, the direct curr...  
WO/2020/223009A1
Sound effects (SFX) are registered (202) in a database for efficient search and retrieval. This may be accomplished by classifying (200) SFX and using a machine learning engine to output a first of the classified SFX for a first computer...  
WO/2020/222928A1
A computer implemented method includes receiving audio signals representative of speech via multiple audio channels transmitted from corresponding multiple distributed devices, designating one of the audio channels as a reference channel...  
WO/2020/213869A1
Disclosed is an acoustic device including: a housing; a speaker disposed inside the housing; a microphone disposed inside the housing; a speaker hole that is formed passing through from the inside of the housing to a first portion of the...  
WO/2020/200855A1
A subject of the present invention is an enclosure fastening module (100), designed to be fastened to a fastening support outside the module (100), characterized in that the module (100) comprises a longitudinal movable dowel (10), mount...  
WO/2020/197806A1
A host device is connected via universal serial bus (USB) connections to one or more external devices with respective speakers. The host device synchronizes playback of audio through the speakers of the USB-connected external devices by ...  
WO/2020/192257A1
The present application relates to the field of communications, and particularly relates to an intermediate-frequency digital signal processing method and device that can reduce the hardware implementation costs of a processing device. T...  
WO/2020/186434A1
A beamformer, for a differential microphone array (DMA) including a number M of microphones, is constructed based on a specified target directivity factor (DF) value for the DMA. An N order beampattern is generated for the DMA, wherein N...  
WO/2020/181553A1
A method and device for identifying production equipment in an abnormal state in a factory, a computing device, a computer-readable storage medium and a computer program product, the method comprising: obtaining environment information s...  
WO/2020/178256A1
An apparatus comprises a receiver (201) receiving a multi-channel audio signal representing audio for a scene. An extractor (203) extracts at least one directional audio component by applying a spatial filtering to the multi-channel sign...  
WO/2020/176338A1
Aspects of the disclosure relate to using a display as a sound emitter and may relate to an electronic device including a display. In particular a vibration sensor such as an accelerometer is physically coupled to the display and senses ...  
WO/2020/167924A1
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 sys...  
WO/2020/167660A1
Systems and methods for verbal expression are provided. In one aspect, a verbal expression system may receive a selection of sound identifiers, generate a list of video files associated with the identifiers, receive a selection of one or...  
WO/2020/108255A9
The present application discloses an activated carbon acoustic material and a sound-emitting device. The activated carbon material is mainly composed of three elements, i.e. carbon, hydrogen, and oxygen, the mass percentage of carbon bei...  
WO/2020/160703A1
A method for diagnosing an audio system in a vehicle comprising generating (101) an audio signal of a particular frequency for at least one speaker in the audio system, transmitting (102) the generated audio signal to a compare function ...  
WO/2020/158195A1
A sine wave output unit 2 (audio output unit) outputs an audio signal of a certain frequency to a speaker (10). A sound pickup unit (3) picks up audio outputted from the speaker (10). A signal output control unit (41) controls the freque...  
WO/2020/157517A1
A personal vocal monitor system comprises a handheld microphone. The handheld microphone comprises a volume control user interface, a controller operable to generate volume control command data in response to user interaction with the vo...  
WO/2020/154802A1
Method, apparatus, and computer-readable media focusing sound signals from plural microphones in a 3D space, to determine audio signal processing profiles to optimize sound source(s) in the space. At least one processor determines plural...  
WO/2020/150030A1
Embodiments relate to a microphone that functions as either a digital wireless microphone or a wired passive microphone. The microphone may comprise: a microphone transducer; an analog to digital converter (ADC) coupled to the microphone...  
WO/2020/143472A1
A method for correcting acoustic properties of a loudspeaker, an audio device and an electronics device are disclosed. The method comprises: obtaining a volume velocity of a diaphragm of the loudspeaker; obtaining a sound pressure of the...  
WO/2020/143474A1
A speaker and a method for displacement measurement in a speaker unit are disclosed. The speaker comprises: a housing; a speaker unit mounted in the housing, which includes a moving part; and a radar sensor, which is placed by using a ch...  
WO/2020/146728A1
Loudspeaker parameters are measured separately for various forward and rearward cone displacements, using a test signal (120, 130, 140) that permits measurement of parameters at various degrees of either forward or rearward cone movement...  
WO/2020/143473A1
An audio device and an electronics device are disclosed. The audio device comprises: a loudspeaker; a sensing circuit, which senses a voltage and/or a current in the loudspeaker; a first processing circuit, which determines changes of ac...  
WO/2020/146608A1
Disclosed is a system and method for individualized hearing aid prescription which consists of a test procedure that enables the fitting of an individualized estimation of the SII model to individual listeners efficiently and an optimiza...  
WO/2020/139559A1
The disclosure generally provides methods, systems and apparatus for functional safety systems. Specifically, the disclosure relates to validating functional safety warnings that may be communicated to an operator. Such warnings may incl...  
WO/2020/126843A1
Microphone capsules for capacitive or electret microphones often have individual deviations from a desired ideal electro-acoustic response, e.g. the frequency response and the phase response. In particular when multiple microphone capsul...  
WO/2020/130872A1
The invention relates to processing and converting acoustic signals into electrical signals in a robot. Interference and the level of an audio signal from the external speakers of a robot are reduced by calibrating the working microphone...  
WO/2020/127836A1
Sound reproduction/simulation system (10) comprising at least a sound reproduction device (12) driven by one or more audio signals (15) and a processor (14) for processing an input audio stream (ST) to generate the one or more audio sign...  
WO/2020/125522A1
The present application discloses an automatic calibration method, device and apparatus for microphone array and a storage medium. The method comprises the following steps: obtaining digital audio data after respective channels of a micr...  
WO/2020/120945A1
This application relates to audio driving circuitry (100), and in particular to audio driving circuitry for outputting first and second audio driving signals for driving a stereo audio load (106), which may be a stereo audio load of an a...  
WO/2020/108255A1
The present application discloses an activated carbon acoustic material and a sound-emitting device. The activated carbon material is mainly composed of three elements, i.e. carbon, hydrogen, and oxygen, the mass percentage of carbon bei...  
WO/2020/111284A1
A vehicle according to an embodiment of the present invention may comprise: a microphone; a plurality of speakers; a memory for storing a sound field table including corresponding relationships between filter set values, virtual sound it...  
WO/2020/107261A1
The present application provides a probabilistic silent failure detection method and apparatus. The probabilistic silent failure detection method comprises: an electronic device determining a sounding frequency corresponding to the elect...  
WO/2020/106505A1
Systems and methods can be implemented to include a speaker system with microphone room calibration in a variety of applications. The speaker system can be implemented as a smart speaker. The speaker system can include a microphone array...  
WO/2020/088861A1
The present invention relates to systems for optimizing low frequency sounds regardless of the position of the sound source. The present invention in particular relates to a microphone which measures the sound pressure level frequency re...  
WO/2020/084184A1
A calibration system for an audibility meter with an acoustic transducer (21,22,23), an audibility meter (1) comprising a calibration device (4) to generate a voltage reference with a specific value in the audibility meter (1) to update ...  
WO/2020/074522A1
The present invention relates to a method (100) for controlling the distortion generated by a system having at least one loudspeaker on board a vehicle, said loudspeaker being designed to receive an audio signal. The method according to ...  
WO/2020/075965A1
An electronic device is provided. The electronic device includes a communicator comprising communication circuitry; a speaker; and a processor configured to control the electronic device to: output a first sound via the speaker and contr...  
WO/2020/076062A1
A method includes detecting, by a speaker system including a microphone, one or more boundaries within a proximity to the speaker system. The speaker system adjusts an output of the speaker system based on the one or more detected bounda...  
WO/2020/071200A1
In order to enable a user to measure his/her own head-related transfer characteristic with high precision, provided is an information processing device (10) equipped with a interface control unit (140) for controlling a user interface re...  

Matches 1 - 50 out of 2,333