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WO/2021/252097A1 |
An electronic device includes a microphone array configured to capture audio data, one or more sensors configured to detect an orientation of the microphone array, and digital signal processing (DSP) logic, and an interface. The DSP logi...
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WO/2021/248350A1 |
A device including one or more processors (190) configured to, based on at least one of an external criterion or a signal-based criterion, output a first gain adjusted signal from a first gain adjuster (110) or a second gain adjusted sig...
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WO/2021/246073A1 |
A method for controlling a notification system (2000) that includes a notification device (2200) located inside of a facility (2010), the method involving: detecting a visitor (2050) to the facility (2010) on the basis of detection infor...
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WO/2021/211113A1 |
In example implementations, an apparatus is provided. The apparatus includes an adaptive filter and a double talk detector in communication with the adaptive filter. The adaptive filter is to calculate a transfer function with coefficien...
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WO/2021/199023A1 |
A system of wireless communication between a ground intercom of an aircraft and external systems comprises: a) an access door of a ground intercom access compartment of the aircraft, the door configured to be fixed to the compartment; b)...
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WO/2021/194881A1 |
A method of double talk detection includes using up-sampling. Audio signals received from the far end are up-sampled prior to output by the loudspeaker at the near end. The microphone at the near end captures audio at the up-sampled rate...
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WO/2021/194859A1 |
A method of audio processing includes calculating an estimated echo residual power based on a long-term amount of echo cancellation as indicated by an estimated power gain profile, where the estimated power gain profile is based on a ref...
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WO/2021/191937A1 |
A door intercom system having a portable terminal, a call device that calls the portable terminal, a server that establishes a session between the portable terminal and the call device, and a terminal connected to the server, wherein the...
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WO/2021/188665A1 |
Systems, methods, and computer program products for echo cancellation with prediction filter adaptation and detection of wideband offset between a reference signal (available to the echo canceller) and an output signal (unavailable to th...
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WO/2021/178387A1 |
According to various embodiments, a cellular architecture for enhanced privacy regarding identity and location of a computing device is disclosed. The architecture includes a next generation core (NGC). The NGC includes an authentication...
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WO/2021/161743A1 |
This nurse call system (1) has: a nurse call slave unit (23); a nurse call master units (11, 21); portable terminals (13, 14, 24) carried by healthcare workers; access points (12, 22) that relay communication between the portable termina...
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WO/2021/152759A1 |
The present invention reduces the number of conversation tests required for ICC quality evaluation. An evaluation value conversion device 3 evaluates the quality of a conversation carried out between a near-end acoustic area 100 and a fa...
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WO/2021/141001A1 |
[Problem] To provide a safe nurse call system with which, even if a plurality of items of alarm information are generated simultaneously, "unprocessed incoming call" alarm information and "processed incoming call" alarm information can b...
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WO/2021/133865A1 |
A method for selecting an audio signal for alignment to compensate for the latency that is introduced by content being sent, such as from an end device, over a network to a cloud based or other computing environment located remote from t...
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WO/2021/118945A1 |
Noise compensation method comprising: (a) receiving a content stream including content audio data; (b) receiving first microphone signals from a first device; (c) detecting ambient noise from a noise source location in or near the audio ...
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WO/2021/114779A1 |
An echo cancellation method, device, and system employing double-talk detection. The method comprises: acquiring an input sound signal from a sound collection device; performing adaptive filtering on the input sound signal to obtain a ne...
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WO/2021/119190A1 |
Some implementations involve receiving a content stream that includes audio data, receiving at least one type of level adjustment indication relating to playback of the audio data and controlling a level of the input audio data, based on...
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WO/2021/118946A1 |
Some noise compensation methods involve receiving microphone signals corresponding to ambient noise from a noise source location in or near an audio environment, determining or estimating a listener position in the audio environment and ...
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WO/2021/119214A2 |
Some implementations involve receiving a content stream that includes audio data, determining a content type corresponding to the content stream and determining, based at least in part on the content type, a noise compensation method. So...
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WO/2021/119177A1 |
Some implementations involve receiving a content stream that includes audio data, receiving at least one type of level adjustment indication relating to playback of the audio data and controlling a level of the input audio data, based on...
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WO/2021/109598A1 |
Disclosed are a noise processing method, a serving end and a client. The method comprises: a serving end receiving a piece of voice sent by a first terminal and a target noise mode corresponding to the voice, wherein the target noise mod...
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WO/2021/108030A1 |
A method for detecting and flagging problems in videoconferencing is provided. The method includes measuring, by a processing device of a videoconferencing device, a first set of acoustic data associated with a conference room during a v...
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WO/2021/107925A1 |
Audio pickup systems and methods are provided to enhance an audio signal by removing noise components related to an acoustic environment. The systems and methods receive a primary signal and one or more reference signals from various mic...
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WO/2021/096603A1 |
An audio system and method for enhancing audio quality in telecommunications applications. Specifically, a graphical user interface (GUI) is provided to allow an observer to visualize pickup zones within an environment that schematically...
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WO/2021/077599A1 |
Provided are a double-talk detection method and apparatus, a computer device and a storage medium. The method comprises: when voice communication is performed, receiving an audio signal from a microphone, wherein the audio signal has an ...
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WO/2021/061385A1 |
Techniques for non-linear acoustic echo cancellation are described herein. In an embodiment, a system comprises a loudspeaker, a microphone array, a spatial filtering logic with a spatial filter, an acoustic echo canceller (AEC) logic an...
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WO/2021/054078A1 |
The problem addressed by the present disclosure is to reduce the load on a manager of a collective facility. A screen display method according to the present disclosure is used in an information terminal (3). The information terminal (3)...
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WO/2021/017134A1 |
An echo cancellation method and apparatus, an electronic device, and a readable storage medium. The method comprises: acquiring a first audio signal received by at least one loudspeaker and a second audio signal received by a microphone ...
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WO/2021/021857A1 |
An audio processing method may involve receiving output signals from each microphone of a plurality of microphones in an audio environment, the output signals corresponding to a current utterance of a person and determining, based on the...
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WO/2021/013363A1 |
Method and System for avoiding howling disturbance especially on conferences, wherein the method comprising the steps of using a howling detector unit implemented inside a multipoint control unit to receive an audio stream input from a c...
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WO/2021/002862A1 |
Acoustic echo cancellation for a video conference system is described. A location of a person in a room can be determined. An audio signal received from the location of the person can be captured using beamforming. An acoustic echo cance...
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WO/2021/003334A1 |
A method for separating sound sources includes digitizing acoustic signals from a plurality of sources with a plurality of microphone arrays, wherein each of microphone arrays includes one or more microphones, wherein at least one of the...
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WO/2020/240880A1 |
According to the present invention, the number of conversation tests required for ICC quality evaluation is reduced. An evaluation value conversion device 3 evaluates the quality of a conversation performed between a near-end acoustic ar...
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WO/2020/240768A1 |
The purpose of the present invention is to reduce the number of conversation tests required for quality evaluation of ICC. An evaluation value conversion device 3 converts, to a subjective evaluation value, an objective evaluation value ...
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WO/2020/232659A1 |
A double talk detection method, a double talk detection device and an echo cancellation system. The double talk detection method comprises: determining, according to an energy ratio between a far-end digital voice signal and a near-end d...
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WO/2020/231577A1 |
A computing device is provided that may include a sound processing device configured to output sound output frames via a sound output device and capture sound input frames via a sound input device. The computing device further includes a...
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WO/2020/231940A1 |
PTP timestamps are obtained and correlated to internal audio time and timestamps. This allows Ethernet/IP audio devices to be closely aligned with local digital audio devices to allow improved AEC operations. By performing repetitive PTP...
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WO/2020/223094A1 |
An endpoint device includes a microphone array and spaced-apart loudspeakers including an active loudspeaker among the loudspeakers that is closest to the microphone array. The endpoint device forms at the microphone array an audio recei...
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WO/2020/219309A1 |
A system includes participant nodes that unicast a voice stream to a master node and receive a multicast voice stream from the master node. The multicast voice stream may be a mixed voice stream mixing the voice streams of the participan...
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WO/2020/218146A1 |
The present invention addresses the problem of increasing the degree of freedom with respect to the mode of response with respect to a visitor. This intercom system (100) is provided with a response control unit (7). The response control...
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WO/2020/201969A1 |
A system and method for providing and managing a remote patient monitoring (RPM) system. The method is implemented by a central server, an RPM client, and a networked monitoring device. The RPM client is a software program that is execut...
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WO/2020/194375A1 |
An installation assistance apparatus (20) is provided with a communication device (22), a determination unit (26), a determination unit (27), a display (23), and a notification control unit (28), for example. The determination unit (26) ...
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WO/2020/198044A1 |
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for a virtual intercom. In some implementations, a request from a visitor device to communicate with an occupant of a particular unit of t...
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WO/2020/195383A1 |
This portable terminal device makes it possible to display caller information and the like at the time of an incoming call. An incoming call signal receiving means (11) receives an incoming call signal including a caller number, caller i...
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WO/2020/188680A1 |
A visitor entry/exit management system (100) is provided with: an intercom slave device (10) and an intercom master device (15); an electronic lock control device (31) for controlling an electronic lock (30) provided in a door (113); a c...
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WO/2020/190573A1 |
Systems and methods for acoustic feedback cancellation. One method includes transmitting, with a transceiver, a known full-band sequence at a first time. The method includes receiving, via a microphone, a received audio signal including ...
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WO/2020/181766A1 |
Provided is a voice signal processing method. The method comprises the following steps: acquiring a status coefficient, a target voice signal to be processed, and a derivative signal of the target voice signal (S101); using the derivativ...
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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 ...
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WO/2020/168873A1 |
Provided in the present disclosure are a voice processing method, an apparatus, an electronic device, and a storage medium, the method comprising: detecting the working state of a current call system, and when the working state is a two-...
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WO/2020/171097A1 |
A control method for a notification system (400) containing a notification device (410) positioned inside a building (10) involves: (a) acquiring, from a delivery provider server (200), facial information pertaining to a delivery person ...
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