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Patent Searching and Data


Matches 101 - 150 out of 14,313

Document Document Title
WO/2017/080371A1
The present disclosure provides a method and device for improving the adaptive learning of an acoustic echo canceller. The method comprises: when it is detected that there is double-talk, acquiring a filter coefficient history value of a...  
WO/2017/083530A1
An acoustic echo canceller includes an adaptive filter and a double-talk detector. The adaptive filter includes a linear filter and a coefficient calculator. The linear filter has a transfer function that is controlled by a set of variab...  
WO/2017/080504A1
The present invention relates to the technical field of audio tests. Provided is a test method for an audio conversion device. The method comprises: after a test signal generated by a first audio signal generator reaches a receiving modu...  
WO/2017/070951A1
Provided are echo cancellation-related circuit and method, being used to improve the effect of the echo cancellation. In the echo cancellation circuit, one end of a first resistance unit and one end of a fourth resistance unit both recei...  
WO/2017/065989A1
An estimated system gain spectrum of an acoustic system is generated, and updated in real-time to respond to changes in the acoustic system. Peak gains in the estimated system gain spectrum are tracked as the estimated system gain spectr...  
WO/2017/056165A1
An entryphone system according to the present invention configured to be able to communicate with the room devices disposed in respective rooms, the entryphone system comprising: an input unit (11) that allows room determination informat...  
WO/2017/052659A1
Microelectronic package communication is described using radio interfaces connected through wiring. One example includes a system board, an integrated circuit chip, and a package substrate mounted to the system board to carry the integra...  
WO/2017/052656A1
Microelectronic package communications are described that use radio interfaces that are connected through waveguides. One example includes an integrated circuit chip, a package substrate to carry the integrated circuit chip, the package ...  
WO/2017/053490A1
An acoustic echo path change detection apparatus constituted of: a time domain path change detection functionality arranged to: detect a change in a near-end acoustic echo path responsive to a time domain analysis of a near-end signal an...  
WO/2017/044819A1
An acoustic echo cancellation (AEC) system within an audio playback system of an electronic device, such as a mobile phone, may calculate an estimation of an acoustic echo based on parameters describing the transducer reproducing the aud...  
WO/2017/037202A1
The disclosed device and associated method relate, in particular, to a surveillance system (100) having a number of surveillance stations (200) and a number of monitoring stations (300). Furthermore, the surveillance stations (200) and t...  
WO/2017/033851A1
In this central processing unit, central processing method, and system for monitoring a person to be monitored, when a plurality of operation reception notification communication signals are received via a plurality of sensor devices and...  
WO/2017/033852A1
This system for monitoring a person to be monitored is provided with: a plurality of operation reception devices that receive a prescribed operation; one or more sensor devices that are wirelessly connected to said operation reception de...  
WO/2017/026219A1
In this central processing device, method thereof, and monitored-subject monitoring system, correspondence information indicating a relationship corresponding first and second operation-accepting devices in a one-to-one or many-to-one ma...  
WO/2017/026220A1
The present invention provides a terminal device for a system for monitoring a person to be monitored, a terminal-side monitoring processing method, and a system for monitoring a person to be monitored, said system being provided with sa...  
WO/2015/086229A9
An audio echo suppressor comprises a first receiver (201) which receives a first audio signal for rendering by a loudspeaker (205) and a second receiver (211) which receives a microphone signal. A linear echo-cancellation filter (213) ge...  
WO/2017/010138A1
In this surveilled person surveillance system, a terminal device that can display a moving image generated by a sensor device is notified, via a central processing device, of a prescribed event taking place at the sensor device. This cen...  
WO/2016/198132A1
The invention relates to a communication system, an audio server (130), and a method for operating a communication system. A person (40-47; 140-142) from a group of persons (40-47; 140-142) in an environment of a first communication devi...  
WO/2016/196212A1
Example embodiments disclosed herein relate to audio signal processing based on remote user control. A method of processing an audio signal in an audio sender device is disclosed. The method includes receiving, at a current device, a con...  
WO/2016/186997A1
An audio system includes a loudspeaker, a first microphone, an echo canceller, and a second microphone within the loudspeaker enclosure coupled to the loudspeaker. The first microphone provides an environmental acoustic signal to the ech...  
WO/2016/169413A1
An echo cancellation data synchronization control method. The method comprises: estimating a sound card delay value; waiting for a result that a difference obtained by subtracting a near-end audio buffer queue length from a reference aud...  
WO/2016/157472A1
A communication system (1000) is provided with a communication apparatus (100) and communication apparatuses (200, 300, 400, 500). The communication apparatus (100) is provided with a direct-current power source (110) and a transmitting ...  
WO/2016/158014A1
An information processing device according to the present invention is provided with: a receiving unit that obtains information related to the gaze of a communication-partner user from a communication-partner terminal with which remote c...  
WO/2016/146316A1
Embodiments are directed towards enhancing speech and noise reduction for audio signals. Each of a plurality of microphones may generate a plurality of audio signals based on sound sensed in a physical space. One of the plurality of audi...  
WO/2016/143018A1
An event information provision device is provided with: an acquisition device that acquires image information captured by an imaging device for the purpose of verifying a visitor when event information indicating a visit to the home of a...  
WO/2016/137420A1
The present invention relates to an intercommunication system (1), which can be integrated to aircrafts upon being configured by a software program according to different number of users and platform requirements, and which basically com...  
WO/2016/127699A1
Disclosed are a method and device for adjusting a reference signal, the method comprising: when an input voice signal of an audio acquisition device is detected, periodically and simultaneously acquiring the input voice signal of the aud...  
WO/2016/126528A1
A user terminal comprising; a loudspeaker; a microphone; and an audio signal processing module comprising: a reference signal generator configured, prior to establishment of a communication event over a network with at least one further ...  
WO/2016/093675A3
The present invention relates to a 2-wire type video phone system comprising: a door-opening voltage control unit provided on the front end of a first connection terminal to which a communication line is connected in a video phone, so as...  
WO/2016/121133A1
An intercom system for collective housing according to the present invention is provided with room devices (10A, 10B) disposed in each room of collective housing and a control device (20) that is connected via intercom lines (L1) to the ...  
WO/2016/107901A1
The present invention is aimed at a method (10) of obtaining measurement values, at the request of a user, as a function of at least one part of at least one signal of an ECNR (the acronym standing for "Echo Cancellation and Noise Reduct...  
WO/2016/104874A1
A doorphone gender apparatus according to the present invention is connected between a doorphone installed outside a premises and an interphone installed inside the premises, processes signal transmission between the doorphone and the in...  
WO/2016/096339A1
A far end signal is received at a device, a marker signal is inserted into the far end signal and the far end signal with the marker signal is played on a speaker. A near end signal is received via a microphone and the marker signal is d...  
WO/2016/093971A1
A multichannel acoustic system (MAS) comprises an arrangement of microphones, loudspeakers, and filters along with a multichannel acoustic processor (MAP) and other components to together provide and enhance the auditory experience of pe...  
WO/2016/093675A2
The present invention relates to a 2-wire type video phone system comprising: a door-opening voltage control unit provided on the front end of a first connection terminal to which a communication line is connected in a video phone, so as...  
WO/2016/093274A1
In this reception device, reception method, and reception program for a monitoring subject monitoring system, and in this monitoring subject monitoring system, when an event notification communication signal is received, the downloading ...  
WO/2016/093973A1
A multichannel acoustic system (MAS) comprises an arrangement of microphones and loudspeakers and a multichannel acoustic processor (MAP) to together enhance conversational speech between two or more persons in a shared acoustic space su...  
WO/2016/085770A1
In one or more embodiments, a hit test thread which is separate from the main thread, e.g. the user interface thread, is utilized for hit testing on web content. Using a separate thread for hit testing can allow targets to be quickly asc...  
WO/2016/079860A1
A visitor authentication system 1 comprises: an IC card 8 carried by a visitor 7 who visits a visit destination 3; a server device 20 having an IC card writer device 16 and storing temporally limited information (check information 60); a...  
WO/2016/072282A1
In nurse call systems where communication between a plurality of slave units and a plurality of extension terminals is possible, a nurse call controller serving the slave units and a private branch exchange serving the mobile terminals h...  
WO/2016/072283A1
In nurse call systems that enable communication from a plurality of cordless handsets with a plurality of extension terminals carried by nurses belonging to a group, the line efficiency is poor when an extension terminal belonging to the...  
WO/2016/038777A1
A door phone system of the present invention is constituted of a plurality of door phone devices each having a door phone master unit arranged within a room and an entryway slave unit for forwarding, to the door phone master unit, a sign...  
WO/2016/032969A1
A signal mixing architecture dealing with signal spatialization and distributing signals to more than two destinations that provides a single axis of pan control where a user can move a signal across N-number of channels. Inverse panning...  
WO/2016/027405A1
A door-phone system comprises: a radio apparatus (300) that moves together with a mobile body; a door-phone master device (500) that is disposed indoors; and an entrance slave device (400) that transfers a signal, which is received from ...  
WO/2016/025416A1
A method implemented during a communication event conducted between a user device and at least one further user device over a communications network, the method comprising: receiving an audio signal that is to be output from a speaker of...  
WO/2016/021108A1
 An intercom system having one or a plurality of wireless devices (300), an intercom base unit (500), and an entrance extension unit (400) for transferring, to the intercom base unit (500), the information received by wireless communic...  
WO/2016/001879A1
A communication device and method including a microphone, a first filter coupled to the microphone adapted to pass signals in an audio band only, a second filter coupled to the microphone adapted to pass signals only in an upper region o...  
WO/2016/002147A1
The present invention is a security system including an entryway subordinate machine and an indoor primary machine that communicates wirelessly with the entryway subordinate machine. An electromagnetic wave strength measurement means is ...  
WO/2016/002148A1
This security system includes an entryway subordinate machine and an indoor primary machine that communicates wirelessly with the subordinate machine, wherein an electromagnetic wave strength measurement means is provided that measures t...  
WO/2016/003955A1
Examples of the disclosure provide variable step size (VSS) adaptive echo cancellation in the presence of near-end noise such as dense double talk without using an explicit double talk detector and/or without using a dual-filter. During ...  

Matches 101 - 150 out of 14,313