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Matches 1 - 50 out of 14,142

Document Document Title
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
WO/2019/067718A3
The disclosed teleconferencing methods involve detecting a howl state during a teleconference which involves two or more teleconference client locations and a teleconference server. The teleconference server is configured for providing f...  
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...  
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 ...  
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...  
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...  
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...  
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 ...  
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...  
WO/2019/050849A1
Methods and systems provide dynamic selection of noise-cancelling algorithms, and dynamic activation and deactivation of microphones to provide multi-mode noise cancellation for a voice-detecting headset in situations where ambient noise...  
WO/2019/024621A1
An acoustic echo canceller output voice signal post-processing method and apparatus, relating to the technical field of signal processing. The method comprises: obtaining a preset AEC output signal subband spectrum (11); performing weigh...  
WO/2019/026117A1
A camera (12) of this security system (10) includes: an image capturing unit (12a) which captures an image of the surroundings of the camera (12); a person detection unit (12c) which detects a person on the basis of the image captured by...  
WO/2019/028115A1
Audio systems and methods of suppressing residual echo are provided that determine spectral mismatches by comparing a spectral density of a residual signal from an acoustic echo canceler to a spectral density of a program content signal....  
WO/2019/028111A1
Audio systems and methods are provided to reduce echo content in an audio signal. The systems and methods receive an audio signal and sound stage rendering parameter(s), and select a set of filter coefficients to filter the audio signal ...  
WO/2019/028113A1
Audio systems and methods for suppressing residual echo are provided. First and second audio program content signals are received, and a residual signal from an echo canceler is received. A first spectral mismatch is determined based at ...  
WO/2019/014637A1
Systems and methods are described for compensating for inaccurate echo prediction in audio systems. A signal may be received at a microphone of an audio system, the signal including audio rendered using a spatial audio renderer across a ...  
WO/2018/231534A1
A method for acoustic echo cancellation is disclosed herein. A microphone receives a second acoustic signal from a near-end environment, the second acoustic signal including a delayed version of the first acoustic signal from a far-end e...  
WO/2018/208721A1
Acoustic echo cancellation (AEC) processing may be improved by performing echo cancellation using a combined multi-channel reference signal. Two or more reference signals, such as a left and right channel of a stereo source, may be combi...  
WO/2018/193028A1
An apparatus for multichannel interference cancellation in a received audio signal comprising two or more received audio channels to obtain a modified audio signal comprising two or more modified audio channels is provided. The apparatus...  
WO/2018/188282A1
An echo cancellation method and device, a conference tablet computer, and a computer storage medium. The method comprises: obtaining a reference signal inputted to a loudspeaker for playback, and obtaining an acquisition signal of a micr...  
WO/2018/158558A1
This specification describes a device comprising: an acoustically transparent housing; a microphone array comprising a plurality of microphones for capturing audio data, the plurality of microphones being located at a lower end of the ho...  
WO/2018/144850A1
A method for establishing the routing of audio signals between a plurality of audio inputs and a plurality of audio outputs in a conferencing system. The method includes establishing a matrix comprising at least one available cross-point...  
WO/2018/135316A1
This nurse call system is provided with a nurse call device and a control appliance. The nurse call device includes a transmission switch, a nurse call communication unit for performing wireless communication with the control appliance, ...  
WO/2018/132465A1
Acoustic echo cancellation systems and methods are provided that can cancel and suppress acoustic echo from the output of a mixer that has mixed audio signals from a plurality of acoustic sources, such as microphones. The microphones may...  
WO/2018/121972A1
A system and method for canceling acoustic echoes includes picking up with one or more microphones sound generated by a sound source and transferred from the sound source to the one or more microphones via one or more unknown transfer pa...  
WO/2018/121971A1
Canceling acoustic echoes includes picking up with a microphone sound generated by a sound source and transferred from the sound source to the microphone via an unknown transfer path having an unknown transfer function, and providing an ...  
WO/2018/092659A1
An electronic apparatus 1 that includes: a proximity sensor 18; a communication unit 17 that communicates with indoor equipment for an interphone; and a controller 11 that, when the communication unit 17 acquires a signal that indicates ...  
WO/2018/078818A1
An interphone system for use in collective housing constituted by a plurality of residential buildings and a centralization building (5) capable of communicating with each residential building, each of the residential buildings comprisin...  
WO/2018/078819A1
An interphone system for use in collective housing constituted by a plurality of residential buildings and a central building (5) capable of communicating with each residential building. Each of the residential buildings is provided with...  
WO/2018/078817A1
Provided is a distributed interphone system capable of simplifying the setting and registration of devices involved in additional installations or the like. An interphone system (1) is provided with a residential-unit master device (30A)...  
WO/2018/075411A1
Various transmission systems may benefit from techniques to improve the quality of the transmission. For example, certain full duplex transmission systems may include a virtual hybrid coupler. A circuit can include a first feedback resis...  
WO/2018/074520A1
The purpose of the present invention is to reduce image distortion and also reduce visual discomfort. An interphone system (10) according to the present invention is provided with an image correction unit (23) which corrects distortion o...  
WO/2018/055694A1
Provided is an elevator system which, when a call is made between an elevator call device and a telephone installed at a location other than the elevator, is capable of starting, in a short time, a subsequent call after a call has once b...  
WO/2018/052678A1
A full duplex voice communication method constituted of: estimating an acoustic echo within a near-end signal; cancelling the estimated acoustic echo; detecting whether, or not, a change has occurred in a near-end acoustic echo path, the...  
WO/2018/048678A1
Howling or oscillation in an in-vehicle communications system is prevented when the speaker gain or microphone gain is detected as giving rise to a loop gain equal to or greater than one for a particular frequency or band of frequencies ...  
WO/2018/040432A1
Disclosed are a method and system for implementing a voice call, and an intelligent conference device. The method comprises: receiving audio signal data sent by a peer terminal, and caching the audio signal data in a playback cache regio...  
WO/2018/040431A1
Disclosed are a method and an apparatus for processing signal data, and an intelligent conference device. The method comprises: obtaining data length information of signal data of a reference cache region and an input cache region within...  
WO/2018/042687A1
A camera system comprising a camera and a hub connected to the camera, wherein the camera system allows handing over while the hub and a portable terminal device (smart phone) are communicating via a router. This camera system adopts a c...  
WO/2018/040430A1
Disclosed are a method and an apparatus for determining an echo delay, and an intelligent conference device. The method comprises: obtaining audio signal data, and storing the same in a reference cache region when an audio output device ...  
WO/2018/030483A1
In the present invention, a communication system (1) includes a relay system (10) disposed in a cloud-based network (3). The relay system (10) has: a push server (15) for delivering, in response to a call from an intercom (21), a push no...  
WO/2018/030020A1
The central processing unit and the central processing method according to the present invention manage predetermined events that are associated with persons to be monitored and that are detected by sensor devices provided to correspond ...  
WO/2018/006856A1
Disclosed are an echo cancellation method and terminal, and a computer storage medium. The method comprises: caching at least one collected frame of a first voice signal, wherein the at least one frame of the first voice signal comprises...  

Matches 1 - 50 out of 14,142