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WO/2024/091378A1 |
A method, computer program product, and computing system for receiving a signal from a single microphone. A plurality of modified signals may be generated from the single microphone signal, where the plurality of modified signals include...
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WO/2024/081074A1 |
The present disclosure proposes a method, an apparatus, and a computer program product for automatically reducing an echo impact in an online conference. An initial audio signal produced by a device participating in an online conference ...
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WO/2024/076061A1 |
The present document relates to a foldable electronic device and to an electronic device and method for decreasing echo generation in the foldable electronic device. An electronic device, according to one embodiment, identifies a folding...
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WO/2024/073573A1 |
Acoustic echo cancellation systems and methods are provided that improve the quality of the audio transmitted from by an audio device a near end to a far end when a doubletalk condition is present, including allowing certain subbands of ...
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WO/2024/050461A1 |
This disclosure describes an electronic device that can be installed within an access control system in parallel with a legacy interface device. The electronic device may perform steps of determining a set of configuration settings assoc...
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WO/2024/012868A1 |
An audio signal processing method implemented by an audio system with an audio sensor and a speaker unit includes: measuring, by the audio sensor, acoustic signals reaching the audio sensor, producing a sensor audio signal; retrieving a ...
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WO/2024/005852A1 |
A method for establishing at least three-way conversations between customers, service providers, and brand agents within a service delivery network (SDN) is provided. The method commences with receiving a request from a customer for a se...
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WO/2023/238232A1 |
An intercom system (2000) acquires a visitor image (50). The visitor image (50) is an image of a visitor (30) using a calling-side device (10). The intercom system (2000) uses the visitor image (50) to identify notification-related proce...
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WO/2023/223128A1 |
The present invention relates to communication equipment (1) comprising a first device (2) and a second device (3), each comprising a first microphone (22, 32) and a loudspeaker (21, 31), the communication equipment (1) being configured ...
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WO/2023/213395A1 |
A method by a user terminal emulation server provides communication services using sets of I/O user devices. First data flows are provided between a first user terminal emulation application and a first set of the I/O user devices that a...
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WO/2023/206506A1 |
Disclosed in the present invention are a determination method and apparatus for near-field communication, and a computer readable storage medium. The method comprises: determining a correlation value of a first signal and a second signal...
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WO/2023/192317A1 |
A listening system includes a first microphone device and a second microphone device that generate a first electronic signal and a second electronic signal corresponding to sound within audio detection range. Control logic of the first m...
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WO/2023/189476A1 |
The purpose of the present disclosure is to guide a subject and to reduce the possibility of the subject intentionally or unintentionally entering an area that should not be entered. This guidance system (1) comprises an acquiring unit (...
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WO/2023/181154A1 |
A visitor management device 1 comprises: an identification information acquisition unit 11 for acquiring visitor identification information of a visitor to a building; an evaluation value acquisition unit 12 for acquiring an evaluation v...
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WO/2023/147416A1 |
Embodiments include a method of reducing echo in an audio system comprising a microphone, an acoustic echo canceller (AEC), and at least one processor, the method comprising receiving, by the at least one processor, an audio signal detec...
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WO/2023/129193A1 |
Microphone signal is received from at least one microphone. AEC produces an echo cancelled microphone signal using first adaptive filters to estimate and cancel feedback that is a result of the environment. AFC produces a processed micro...
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WO/2023/093292A1 |
Disclosed in the present application are a multi-channel echo cancellation method and a related apparatus. The method comprises: obtaining a plurality of far-end audio signals output by a plurality of channels, and obtaining a first filt...
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WO/2023/081645A1 |
Systems and methods are disclosed for operating a wireless audio network including a plurality of wireless microphone units (e.g., wireless delegate units) and a central access point having a mixer. The wireless microphone units may perf...
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WO/2023/059655A1 |
Systems and methods are disclosed for networked audio automixing using array microphones and an aggregator unit that participate in making a common gating decision to determine which channels to gate on and off. Through the use of such a...
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WO/2023/055695A1 |
Systems and methods are described for controlling adaptive filtering components. A far end signal may be filtered by each of a foreground filter and a background filter, where both filters are adaptive echo cancellation filters that outp...
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WO/2023/041324A1 |
The invention relates to a circuit assembly for a switched-mode power supply of an electric auxiliary device (104) at the site of a connected electric load (103) located in a power circuit (100) in which a switch element (102) switches t...
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WO/2023/043470A1 |
A method (300) for Short-Time Fourier Transform-based echo muting includes receiving a microphone signal (202) including acoustic echo (156) captured by a microphone and corresponding to audio content (154) from an acoustic speaker (118)...
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WO/2022/256826A1 |
A method for preparing reference signals for an echo cancellation system disposed in a vehicle, comprising the steps of: receiving a plurality of drive signals, each drive signal being provided to an associated transducer of a plurality ...
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WO/2022/227932A1 |
The embodiments of the present disclosure disclose a method and apparatus for processing sound signals, and an electronic device. A specific embodiment of the method comprises: on the basis of a far-end signal from a second terminal, per...
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WO/2022/186958A9 |
Systems and methods configured to employ a beamforming microphone array to determine a noise field map of a conferencing environment and modify operation of the beamforming microphone array responsive to the determined noise field map.
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WO/2022/221614A1 |
An intercommunication system includes one or more modular units utilizing a standards-based audio-over-IP configuration. The modularity of the system provides improved scalability. For instance, a number of audio channels is not limited ...
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WO/2022/210168A1 |
A collective entrance machine (10B) of this intercom device is provided with an aerial touch display (100) for displaying aerial images (G1, G2) toward visitors (W1, W2), and a control unit (110). The aerial touch display (100) has displ...
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WO/2022/204097A1 |
A method and system for audio conferencing includes combining a soundtrack signal with a far-end audio signal to generate a far-end reference signal, playing back the far-end reference signal through a near-end speaker, generating a near...
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WO/2022/192452A1 |
A method for reverberation suppression may involve receiving an input audio signal. The method may involve calculating an initial reverberation suppression gain for the input audio signal for at least one frame of the input audio signal....
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WO/2022/184180A1 |
The present invention relates to the field of signal processing, and to a sparse LMS method combining zero attraction penalty and attraction compensation. In the method, zero attraction penalty and attraction compensation are combined, c...
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WO/2022/173706A1 |
Some implementations involve obtaining a plurality of echo references, the plurality of echo references including at least one echo reference for each audio device of a plurality of audio devices in an audio environment, each echo refere...
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WO/2022/173684A1 |
Some implementations involve receiving location information for each of a plurality of audio devices in an audio environment, generating, based at least in part on the location information, rendering information for a plurality of audio ...
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WO/2022/171637A1 |
A method of capturing speech using a television system comprising a microphone device and a playback device. A playback device of the television system plays a tv audio signal to generate acoustic tv audio and a microphone of the televis...
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WO/2022/164426A1 |
A device includes a speaker, a machine readable storage medium storing instructions, and a processor to execute the instructions. The processor is to execute the instructions to receive a plurality of audio signals from a plurality of re...
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WO/2022/153802A1 |
This reception control device (10) accommodates a plurality of terminal devices (20) that are respectively used by a plurality of users, and a reception device (30) which receives a visitor, the control device comprising: a scheduled vis...
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WO/2022/155135A1 |
A method and apparatus for handling both echo cancellation and noise in a given space using a single adaptive filter. The proposed method utilizes just a single adaptive filter and without any control logic, the system is capable of hand...
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WO/2022/154416A1 |
An electronic device according to various embodiments comprises a communication module, at least one microphone, and a processor. The processor can be configured to: be connected to an external device by means of the communication module...
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WO/2022/140557A1 |
Disclosed is a method for managing acoustic feedback in real-time audio communications in a communications system, the method comprising determining, by means of a detection module, whether a first communication device is in loudspeaker ...
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WO/2022/130636A1 |
This information processing device (100) comprises: a connection information acquisition unit (120) which processes an image captured by a camera included in a visitor terminal or communicates with a communication device installed in the...
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WO/2022/128745A1 |
An apparatus (100) for conducting acoustic echo cancellation by generating one or more error signals is provided. The apparatus (100) is to generate a first echo estimate comprising one or more first echo estimation signals by filtering ...
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WO/2022/120085A1 |
Some implementations involve receiving, from a first subband domain acoustic echo canceller (AEC) of a first audio device in an audio environment, first adaptive filter management data from each of a plurality of first adaptive filter ma...
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WO/2022/091678A1 |
The purpose of the present disclosure is to facilitate mounting operations for a mounting unit and a terminal unit. A mounting unit (3) is a structure for mounting an information terminal (intercom base unit (1)), which operates as an in...
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WO/2022/085264A1 |
An unlocking device 1 according to an embodiment of the present invention includes: an image acquisition unit that acquires a captured image generated by capturing an image of an area on the outside of an entryway door; an authentication...
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WO/2022/078752A1 |
Systems and methods for volume control over intercom trunk lines. One example method includes receiving, from a first keypanel coupled to a first intercom, a call request identifying a remote keypanel coupled to a second intercom. The me...
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WO/2022/080180A1 |
A monitoring system according to one example of an embodiment of the present invention is for a complex facility provided with: a common entrance; a first common section located outside the common entrance; a plurality of privately owned...
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WO/2022/079365A1 |
The processing of a signal y(t) from a microphone (MIC) of a device further comprising at least one loudspeaker (HP) intended to be powered by a signal x(t) aims to limit an echo effect induced by the microphone (MIC) picking up a sound ...
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WO/2022/048737A1 |
An acoustic processing device (110) for multichannel nonlinear acoustic echo cancellation is disclosed. The acoustic processing device (110) comprises a processing circuitry (120) configured to apply to each of a plurality of loudspeaker...
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WO/2022/048736A1 |
An acoustic processing device (300) for performing MIMO acoustic echo cancellation is disclosed. The acoustic processing device (300) comprises a first signal reception unit (303) adapted to receive a plurality of loudspeaker signals and...
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WO/2021/258913A1 |
Embodiments of the present invention provide an echo cancellation device and method, a sound pickup device and method, and a terminal. The echo cancellation device is provided in the terminal; the terminal comprises at least a screen sou...
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WO/2021/252149A1 |
An electronic device includes sensors configured to detect an orientation of a display, driver logic, and a speaker array. The driver logic processes the audio data received by an interface to form audio output data, and forms driver sig...
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