Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 9 - Arrangements for interconnection not involving centralised switching
Patents for H04M 9 - Arrangements for interconnection not involving centralised switching (8,105)
10/2014
10/28/2014US8873741 Methods, apparatuses and computer program products for providing active echo-cancellation for systems combining voice communication and synchronous audio content
10/28/2014US8873740 Enhanced echo cancellation
10/21/2014US8868416 Apparatus and method for cancelling echo in joint time domain and frequency domain
10/21/2014US8867737 System and method for providing line power to a digital telephone
10/21/2014US8867736 Device for controlling a supply voltage for a terminal
10/21/2014US8867735 Echo cancelling device, communication device, and echo cancelling method having the error signal generating circuit
10/14/2014US8861713 Clipping based on cepstral distance for acoustic echo canceller
10/14/2014US8861712 Method, apparatus, and system for reducing line-to-line crosstalk during transmission of digital subscriber line service
10/14/2014US8861711 Echo cancellation apparatus, conferencing system using the same, and echo cancellation method
10/14/2014US8861687 Integrated hybird circuit applied to a digital subscriber loop and setting method thereof
10/07/2014USRE45179 Portable device case with corner protector
10/07/2014US8855327 Sound emission and collection device and sound emission and collection method
10/07/2014US8855295 Acoustic echo cancellation using blind source separation
10/01/2014EP2785032A1 Echo canceller and echo cancellation method
10/01/2014EP2784778A1 Sound echo canceling in case of rate-of-speech change
10/01/2014EP2783504A1 Acoustic echo cancellation based on ultrasound motion detection
09/2014
09/30/2014US8848934 Controlling audio signals
09/30/2014US8848901 Speech canceler-enhancer system for use in call-center applications
09/25/2014WO2014150211A1 Acoustic echo mitigation apparatus and method, audio processing apparatus and voice communication terminal
09/25/2014WO2014147552A1 Method and apparatus for audio processing
09/24/2014EP2782260A1 Method and apparatus for controlling voice communication and use thereof
09/23/2014US8843099 Method for providing extension list selection
09/23/2014US8842822 System and method for optimizing termination impedance for an analog telephone line
09/18/2014US20140270216 Single-channel, binaural and multi-channel dereverberation
09/17/2014EP2779610A2 Acoustic signal processing system capable of detecting double-talk and method
09/17/2014EP2779609A1 Sharing a designated audio signal
09/16/2014US8837713 Systems, methods, and apparatus for enabling audio transmission within a communications session
09/12/2014WO2014137612A1 Content based noise suppression
09/11/2014DE112012004913T5 Drahtlose Kommunikationsvorrichtung, drahtloses Kommunikationssystem und drahtloses Kommunikationsverfahren A wireless communication device, wireless communication system and wireless communication method
09/09/2014US8831212 Guiding module and electronic device using the same
09/09/2014US8831210 Method and system for detection of onset of near-end signal in an echo cancellation system
09/03/2014EP2772070A1 Processing audio signals
09/02/2014US8825928 Facilitating and authenticating transactions through the use of a dongle interfacing a security card and a data processing apparatus
09/02/2014US8824669 Handheld electronic device with keyboard
09/02/2014US8824668 Communication system comprising a telephone and a listening device, and transmission method
09/02/2014US8824667 Time-domain acoustic echo control
09/02/2014US8824666 Noise cancellation for phone conversation
09/02/2014US8823499 Enhanced power supply unit for powerline networks
08/2014
08/28/2014WO2014070417A3 Systems and methods of monitoring performance of acoustic echo cancellation
08/28/2014US20140241340 System and method for software turret phone capabilities
08/26/2014US8817971 Conference device
08/21/2014WO2014126933A1 Personalized bandwidth extension
08/21/2014US20140233757 Noisy Environment Communication Enhancement System
08/21/2014US20140233723 Method And System For Sampling Rate Mismatch Correction Of Transmitting And Receiving Terminals
08/20/2014EP2768211A1 Mobile phone and call signal processing method for same
08/19/2014US8811933 Power line communication methods and devices
08/19/2014US8811624 Echo cancellation method and device
08/19/2014US8811605 Intelligent patching systems and components thereof
08/19/2014US8811604 Sliding mechanism and slider electronic apparatus therewith
08/19/2014US8811603 Echo canceler circuit and method
08/19/2014US8811602 Full duplex speakerphone design using acoustically compensated speaker distortion
08/19/2014US8811601 Integrated echo cancellation and noise suppression
08/19/2014US8811599 Systems, circuits and methods for dual transformer duplexing
08/13/2014CN103988487A 基于超声波运动检测的声学回声消除 Motion detection based on ultrasonic acoustic echo cancellation
08/13/2014CN103986851A 分机与主机的呼叫方法和呼叫系统 Extension with the host system call and call methods
08/13/2014CN103986850A 主机与分机的呼叫方法和呼叫系统 Call host and extension methods and call system
08/13/2014CN103986849A 分机与分机的呼叫方法和呼叫系统 Call for extension to extension methods and call system
08/13/2014CN102780821B 一种送受话端采样率偏差纠正方法和系统 One kind words sent by the end of the sampling rate bias correction method and system
08/12/2014USRE45072 Protective cover for portable communication device
08/12/2014US8805453 Hands-free telephony and in-vehicle communication
08/06/2014CN102405634B 扬声电话装置 Speakerphones device
07/2014
07/31/2014WO2014066367A8 System and method for acoustic echo cancellation
07/31/2014US20140213329 Mobile Phone and Method for Processing Call Signal Thereof
07/30/2014EP2760024A1 Noise estimation control system
07/30/2014CN203747885U 能够检测双端通话的声信号处理系统 Able to detect double-ended conversation acoustic signal processing systems
07/30/2014CN103081453B 对讲系统 Intercom System
07/30/2014CN102461141B 用于在电话会议期间经由pstn电话传输计算机和语音会议音频的系统和方法 During the conference call system and method for computer and telephone transmission via pstn audio for voice conferencing
07/30/2014CN102457632B 一种多受话端回声消除方法 A multi-session terminal echo cancellation method
07/29/2014US8792649 Echo canceller used for voice communication
07/23/2014EP2757765A1 Audio system signal processing control using microphone movement information
07/23/2014CN103945076A 用于移动设备的实时音频回声和背景噪声的减小 Reducing the real-time audio for mobile devices echo and background noise
07/23/2014CN102646418B 一种远程音频交互的多路声学回音消除方法及系统 A multi-channel acoustic echo cancellation method remote audio and system interaction
07/22/2014US8787562 Method and system for providing DC power on local telephone lines
07/22/2014US8787561 Techniques for implementing adaptation control of an echo canceller to facilitate detection of in-band signals
07/22/2014US8787560 Method for determining a set of filter coefficients for an acoustic echo compensator
07/22/2014US8787557 Method and apparatus for non-disruptive telecommunication loop condition determination
07/16/2014EP2755373A1 Audio system with centralized audio signal processing
07/16/2014CN103929557A 语音会议噪声处理方法及装置 Voice conferencing noise processing method and apparatus
07/08/2014US8774878 Ultra mobile communicating computer with finger holes to ease grip
07/08/2014US8774399 System for reducing speakerphone echo
07/08/2014US8774398 Transceiver
07/03/2014US20140185792 Bidirectional communication system and method for compensating for undesired feedback in the bidirectional communication system
07/02/2014EP2749016A1 Processing audio signals
07/02/2014CN103905928A 一种网络语音对讲方法、装置及系统 A network voice intercom method, apparatus and system
07/02/2014CN103905675A 调节VoIP电话系统电话回声的方法及装置 Method and apparatus for regulating VoIP telephone system telephone echo
07/02/2014CN102857650B 动态调整语音的方法 The method of dynamic adjustment of speech
07/01/2014US8767952 Method and system for utilizing a single connection for efficient delivery of power and multimedia information
07/01/2014US8767951 Talk deciding system
06/2014
06/26/2014WO2014100794A1 Echo suppression
06/26/2014WO2014100793A1 Echo suppression
06/26/2014WO2014100792A1 Echo suppression
06/26/2014WO2014099940A1 Correlation based filter adaptation
06/26/2014WO2014099281A1 Method for controlling acoustic echo cancellation and audio processing apparatus
06/26/2014WO2014094359A1 Echo cancellation device and method for small-scale hands-free voice communication system
06/26/2014US20140177822 Echo suppression
06/25/2014EP2745500A1 Clock skew compensation for acoustic echo cancellers using inaudible tones
06/25/2014EP2745386A1 Standby power supply circuit for 2-wire bus intercom system and apparatus thereof
06/25/2014CN103888630A 用于控制声学回声消除的方法和音频处理装置 Methods for controlling acoustic echo cancellation and audio processing device
06/24/2014US8761387 Analog transmit crosstalk canceller
06/24/2014US8761386 Sound processing apparatus, method, and program
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