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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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WO/2020/154300A1 |
An endpoint receives audio from a remote endpoint. A first signal corresponding to the audio is received at an adaptive filter, and a filtered signal is generated. First audio is emitted at a loudspeaker based on the first signal. A micr...
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WO/2020/150864A1 |
The present disclosure provides an audio signal detection method, comprising: obtaining an audio signal; performing transformation between a time domain and a frequency domain on the audio signal and obtaining a transformation signal; an...
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WO/2020/147076A1 |
Method, apparatuses, and computer program product for overhead reduction are provided. One method may include determining a channel sparsity. The method may also include determining a shut-off ratio based on the channel sparsity ratio. I...
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WO/2020/129580A1 |
Provided are an intercom vestibule device, an intercom system, an information terminal, a reporting method, and a program with which the situation inside a facility can be known by a user even if the user is not inside the facility. An i...
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WO/2020/131161A1 |
A method for canceling acoustic far-end audio echo content includes high-pass filtering audio content received from a far end and playing the high-pass filtered audio content through a speaker, examining audio content captured by a micro...
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WO/2020/129431A1 |
Provided is a call system which, when allowing a terminal station device other than a terminal station device making a call to perform listening/speaking, eliminates the difficulty of speaking due to loopback voice in the terminal statio...
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WO/2020/112577A1 |
Techniques for real-time audio communication including supplying an initial audio signal to an audio signal processor configured to process the initial audio signal and output a processed audio signal to an audio output means, obtaining ...
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WO/2020/097828A1 |
An echo cancellation method and a delay estimation method. The delay estimation method estimates an echo path delay of an electronic device, so as to use the echo path delay to perform echo estimation during a call, thereby cancelling an...
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WO/2020/096673A1 |
Described herein are systems and methods that can adjust the performance of a transimpedance amplifier (TIA) in order to compensate for changing environmental and/or manufacturing conditions. In some embodiments, the changing environment...
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WO/2020/069310A1 |
A communication system and method is disclosed. The system and method provides for acoustic echo cancellation. For instance, a processor implements a non-linear loudspeaker model to approximate loudspeaker performance. Using the model, a...
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WO/2020/045075A1 |
The purpose of the invention is to improve security for technology for unlocking an electronic lock by using a door phone sub-unit. A business phone main device (2) comprises a PB signal receiver (22) that receives a PB signal input via ...
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WO/2020/031658A1 |
A communications network comprising: a communications control device (L2 switch) capable of making VLAN settings; a first VLAN set by the communications control device and allocated to communications for a monitored person-monitoring sup...
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WO/2020/026421A1 |
The purpose of the present invention is to provide an emergency notification system (1) by which it is possible to detect the continued pressing of a call button (13), such detection performed on the basis of a call state which is held e...
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WO/2020/020247A1 |
Embodiments of the present invention provide a signal processing method, a signal processing device, and a computer storage medium. The method comprises: receiving a first audio signal and playing the first audio signal by at least one l...
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WO/2020/018667A1 |
A method (400) includes receiving a microphone audio signal (132) and a playout audio signal (112), and determining a frequency representation (324) of the microphone audio signal and a frequency representation of the playout audio signa...
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WO/2020/008579A1 |
A direct call support device 100 that: calls a prescribed voice communications terminal device 210 if a press button switch 112 has been pressed on an in-car terminal device 110 that can be retrofitted inside an elevator car; and, if the...
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WO/2020/008580A1 |
A direct call support device 100 configured so as to: call a voice communications terminal device 210 having the highest priority among a plurality of voice communications terminal devices 210 having an order of call priority set thereto...
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WO/2020/003704A1 |
The objective of the present invention is to output a report which is useful for preventing the occurrence of events, and with which an event occurrence status analysis result can be visualized. Event information relating to a predetermi...
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WO/2020/004246A1 |
The present disclosure addresses the problem of forwarding received information to another communication system. An intercom device (1) comprises: a first communication unit (11); an input unit (12); and a processing unit (13). The first...
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WO/2020/005699A1 |
Techniques for acoustic echo cancellation are described herein. In an example embodiment, a system comprises a speaker, a microphone array with multiple microphones, a beamformer (BF) logic and an acoustic echo canceller (AEC) logic. The...
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WO/2019/240940A1 |
A software-based conferencing platform is provided. The platform comprises a plurality of audio sources providing input audio signals, the audio sources including a virtual audio device driver configured to receive far-end input audio si...
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WO/2019/225119A1 |
The purpose of the present invention is to provide a voice communication system with which it is possible, in a wireless apparatus having a base unit and an extension connected by one line, to adjust the type or level of a voice transmit...
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WO/2019/213769A1 |
Method, apparatus, and program code embodied in computer-readable media, for providing enhanced echo suppression in a conferencing system having at least one microphone and at least one speaker. At least one microphone input signal is re...
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WO/2019/202950A1 |
Provided is a wireless intercom system capable of facilitating sharing information among a calling slave set, a responded slave set and other slave sets in a simultaneous calling mode. A wireless intercom system 1 comprises a master devi...
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WO/2019/199369A1 |
An improved method and system for varying an amount of mechanical coupling in a speakerphone is disclosed. Solutions and implementations provided vary the amount of mechanical coupling between one or more speakers and one or more microph...
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WO/2019/187572A1 |
Provided are an interphone device which can reduce consumed power, and a program. This interphone device (1) is provided with: an operation unit (14), an imaging unit (12), a communication unit (13), and a control unit (11). The operatio...
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WO/2019/182945A1 |
A headphone, headphone system, and method is provided to enhance speech pick-up from a user of a headphone, by removing noise and echo components. A primary signal is derived from at least one microphone associated with the headphone. Th...
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WO/2019/167291A1 |
This doorbell (2) is provided with an operation unit (22) which can perform a call operation, a camera (26), a microphone (23), a speaker (24), and a control unit (21) which is connected to the operation unit (22), the camera (26), the m...
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WO/2019/164743A1 |
Devices and methods for howling suppression. One method (400) includes receiving, via a microphone (235), an acoustic signal from a communication device operating in an acoustic field (135) with the microphone (235). The method (400) inc...
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WO/2019/163149A1 |
The doorbell system (1) is provided with: multiple doorbells (2-1 through 2-n) installed at respective residences and each having an operation unit (22) and a camera (26); and a control unit (4) capable of communicating with the multiple...
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WO/2019/160953A1 |
An intercom system provides audio communication between multiple users wearing head-mounted devices (HMDs). In an embodiment, the intercom system determines a first location of a first HMD of a first user. The intercom system determines ...
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WO/2019/159384A1 |
This configuration method of a Wi-Fi doorbell (2) utilizes the Wi-Fi doorbell (2), which is provided with a camera that can read a two-dimensional code, and a mobile communication terminal (4), which is provided with a display unit (6) t...
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WO/2019/155775A1 |
An objective of the present invention is to provide a monitoring system and event list display method for enabling comprehension with ease of a situation of a response to an event relating to a person subject to care. A management part 2...
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WO/2019/142566A1 |
This monitored person monitoring support system is provided with: a reading unit which, when a first monitoring person has rushed to a monitored area (room) in which a first person being monitored is present, is capable of reading one it...
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WO/2019/142370A1 |
Provided is a nurse call system capable of reducing the nurses' workload. This system is configured so that when a ward round start operation is performed via a nurses' mobile phone (9), a controller (8) transmits a ward round start sign...
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WO/2019/136475A1 |
The disclosure includes a voice isolation system comprising an acoustic echo-cancelation subsystem configured to receive a plurality of input signals, subtract an interference component from the input signals, and provide a plurality of ...
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WO/2019/130239A1 |
An in-vehicle noise-cancellation system may optimize far-end user experience. The noise-cancellation system may incorporate real-time acoustic input from the vehicle, as well microphones from a telecommunications device. Audio signals fr...
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WO/2019/131729A1 |
In this display control method which uses a system provided with an information processing server (100), the information processing server: (a) acquires (S202), by using a sensor (700), a user state that indicates whether a user (20) is ...
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WO/2019/112467A1 |
Embodiments of the present application provide a method and an apparatus for acoustic echo cancellation for improving detection accuracy of acoustic echo cancellation and reducing echo residual. The method includes: the first terminal pi...
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WO/2019/097744A1 |
[Problem] To provide a nurse call system that allows patients carrying mobile phones to call a nurse from anywhere in a ward. [Solution] The present invention includes a plurality of patient mobile phones 10 that are carried by hospitali...
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WO/2019/093285A1 |
Provided are a lobby intercom that is communicable using a general-purpose terminal as an intercom master unit, a processing system, and a program. This lobby intercom (1) is provided in a lobby (92) of a multiple dwelling house (9) havi...
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WO/2019/083125A1 |
An electronic device for processing an audio signal is provided. The electronic device includes a communication circuit, a microphone, a connector and a processor. The processor identifies whether the external cable connected with a firs...
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WO/2019/076328A1 |
A method and system for operating a signal filter device are provided in the present disclosure. The signal filter device may include M adaptive filters, M first analysis filters, M second analysis filters, and a controller. M may be an ...
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WO/2019/069808A1 |
The purpose of the present invention is to provide an interphone master unit, an information terminal, a distribution notification system, a distribution system, a program, and a control method that are capable of reducing a communicatio...
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WO/2019/070722A1 |
Double-talk detection systems and methods are provided that include a plurality of microphones and array processing to detect when a vehicle occupant is speaking. One or more array processors combine the microphone signals to provide a p...
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WO/2019/068115A1 |
The invention relates to a computer-implemented method for updating at least one frequency-domain filter coefficient W i,j (k ) of an echo canceller having at least one channel and at least one segment per channel, the filter coefficient...
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WO/2019/067718A2 |
Some disclosed teleconferencing methods may involve detecting a howl state during a teleconference. The teleconference may involve two or more teleconference client locations and a teleconference server. The teleconference server may be ...
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WO/2019/047710A1 |
Provided are a continuous updating method and device for a finite impulse response filter coefficient vector. A continuous self-adaptive updating method for a finite impulse response (FIR) filter coefficient vector comprises: acquiring a...
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