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)
06/2014
06/24/2014US8761385 Signal processing method, signal processing device, and signal processing program
06/24/2014US8761349 Systems and methods of monitoring performance of acoustic echo cancellation
06/23/2014DE202013002661U1 Klingelanlage Bell system
06/18/2014CN103873714A Communication method, call initiating end device and call receiving end device
06/17/2014US8755505 Communication wall panel, nursing care system having communication wall panel, and conference system having communication wall panel
06/17/2014US8755462 Frequency offset estimator for upstream cable signals
06/11/2014EP2741522A1 Protective cover assembly
06/11/2014EP2741481A2 Subband domain echo masking for improved duplexity of spectral domain echo suppressors
06/11/2014CN103856648A Acoustic echo cancellation system
06/11/2014CN103856647A Expandor-based noise reduction system
06/10/2014US8750494 Clock skew compensation for acoustic echo cancellers using inaudible tones
06/10/2014US8750493 Method and system for stereo echo cancellation for VoIP communication systems
06/10/2014US8750492 Reducing the feedback overhead during crosstalk precoder initialization
06/10/2014US8750491 Mitigation of echo in voice communication using echo detection and adaptive non-linear processor
06/03/2014US8744538 Fully flat slider
06/03/2014US8744069 Removing near-end frequencies from far-end sound
05/2014
05/29/2014US20140148224 Far field noise suppression for telephony devices
05/28/2014CN103828206A 用于二线制总线对讲系统的待机供电电路及其装置 Standby power supply circuit and apparatus for two-wire bus intercom system
05/27/2014US8737951 Interactive personal surveillance and security (IPSS) systems and methods
05/27/2014US8737602 Passive, non-amplified audio splitter for use with computer telephony integration
05/27/2014US8737601 Echo canceller
05/27/2014US8737051 Display seal for electronic device
05/22/2014WO2014078016A1 Echo cancellation using ultrasound
05/22/2014WO2013166567A8 Method for the transmission of data between devices over sound waves
05/20/2014US8731907 Method and test signal for measuring speech intelligibility
05/20/2014US8731225 Wireless communication headset with wired and wireless modes
05/20/2014US8731186 Microphone disruption apparatus and method
05/20/2014US8731185 Single ended estimation of far-end crosstalk in a digital subscriber line
05/20/2014US8731184 Performance testing of echo cancellers using a white noise test signal
05/20/2014US8730852 Eliminating false audio associated with VoIP communications
05/15/2014WO2014073183A1 Gateway device
05/15/2014US20140135078 Dynamic Speaker Management with Echo Cancellation
05/15/2014US20140135077 Echo cancellation for ultrasound
05/15/2014US20140133648 Method and apparatus for acoustic echo cancellation in voip terminal
05/15/2014DE102012100564B4 Anzeigeeinheit für eine Türstation Display unit for a door station
05/13/2014US8724822 Noisy environment communication enhancement system
05/13/2014US8724799 Operating points for spectrum management in digital subscriber lines
05/13/2014US8724798 System and method for acoustic echo cancellation using spectral decomposition
05/08/2014WO2014070417A2 Systems and methods of monitoring performance of acoustic echo cancellation
05/07/2014CN102918825B 集合住宅用对讲系统的住户机 Collection of residential household machines intercom system
05/07/2014CN102474551B 时频域联合回声消除装置及方法 Joint time-frequency domain echo cancellation device and method
05/07/2014CN102271197B 用户界面音调的回声消除 User Interface tone echo cancellation
05/06/2014US8718275 Low complex and robust delay estimation
05/06/2014US8718273 Apparatus for processing echo signal and method thereof
05/01/2014WO2014066367A1 System and method for acoustic echo cancellation
05/01/2014WO2014063755A1 Portable electronic device with audio rendering means and audio rendering method
04/2014
04/30/2014CN203574729U Teleconference coupler
04/29/2014US8712487 Sliding-type portable communication device
04/29/2014US8712068 Acoustic echo cancellation
04/29/2014US8712034 Adaptive analog echo/next cancellation
04/24/2014US20140112466 System and Method for Clock Synchronization of Acoustic Echo Canceller (AEC) with Different Sampling Clocks for Speakers and Microphones
04/23/2014EP2723054A1 Using an auxiliary device sensor to facilitate disambiguation of detected acoustic environment changes
04/23/2014CN103748865A Clock skew compensation for acoustic echo cancellers using inaudible tones
04/22/2014US8705758 Audio processing device and method for reducing echo from a second signal in a first signal
04/17/2014US20140105263 Systems and method for orthogonal frequency divisional multiplexing
04/16/2014CN103731567A Method and system for reducing noise in a shared media session
04/10/2014WO2014055207A1 Access control reader with audio spatial filtering
04/09/2014EP2716023A1 Control of adaptation step size and suppression gain in acoustic echo control
04/09/2014CN103718538A Non-linear post-processing for acoustic echo cancellation
04/09/2014CN103716478A Bidirectional echo cancellation method
04/09/2014CN103716446A Method and device for improving conversation tone quality on mobile terminal
04/08/2014US8694326 Communication terminal and communication method
04/08/2014US8693698 Method and apparatus to reduce non-linear distortion in mobile computing devices
04/08/2014US8693678 Device and method for controlling damping of residual echo
04/08/2014US8693677 Techniques for updating filter coefficients of an adaptive filter
04/03/2014WO2014052745A1 Near-end indication that the end of speech is received by the far end in an audio or video conference
04/03/2014US20140093066 Method for detecting double-talk condition and system using the same
04/02/2014CN102804747B Multichannel echo canceller
04/01/2014US8687798 Microphone line based detection of headset plug removal
04/01/2014US8687797 Method and system for a dual echo canceller
04/01/2014US8687796 Method and electronic device for improving communication quality based on ambient noise sensing
03/2014
03/27/2014WO2014045526A1 Wireless communication device
03/26/2014EP2710790A2 Multi-channel audio processing using single-channel components
03/26/2014EP2710789A1 Non-linear post-processing for super-wideband acoustic echo cancellation
03/26/2014EP2710788A1 Using echo cancellation information to limit gain control adaptation
03/26/2014EP2710787A1 Non-linear post-processing for acoustic echo cancellation
03/26/2014EP2710591A1 Reducing noise pumping due to noise suppression and echo control interaction
03/26/2014CN203504643U Medical communication calling device host machine
03/26/2014CN203504641U Intelligent hand-held terminal
03/26/2014CN103688522A Clock drift compensation method and apparatus
03/26/2014CN103685795A Method and system for aligning data in network voice communication
03/26/2014CN102227905B Systems and methods for double-talk detection in acoustically harsh environments
03/20/2014WO2014043176A1 Audio communication system
03/12/2014CN102316231B Echo cancellation method and device
03/11/2014US8670555 Communication apparatus for rapidly adjusting analog echo cancellation circuit and related echo cancellation method
03/11/2014US8670554 Method for encoding multiple microphone signals into a source-separable audio signal for network transmission and an apparatus for directed source separation
03/05/2014CN102387271B Communication device and noise eliminating method
03/04/2014US8666527 System for elimination of acoustic feedback
03/04/2014US8666357 System and method for transmitting an emergency message over an integrated wireless network
03/04/2014US8666355 Network event detection
03/04/2014US8666061 Mobile device
03/04/2014US8666058 Time domain adaptive filter bank for network echo reduction or cancellation
03/04/2014US8666047 High quality audio conferencing with adaptive beamforming
02/2014
02/27/2014DE102013013731A1 Communication system for passenger of vehicle, has main module and multiple sub-modules, where main module has interface for exchanging audio signals with infotainment system of vehicle
02/25/2014US8660520 Emergency notification system for devices within a targeted boundary
02/25/2014US8660259 Automatic permutation setup and calibration of a headset interface unit
02/25/2014US8660249 System and method for remote home monitoring and intercom communication
02/19/2014EP2697984A1 Bidirectional communication system, and method for compensating for undesired feedback in the bidirectional communication system
02/18/2014US8654967 System for conditioning echo response of loop start trunk line
02/13/2014DE10209807B4 Gegensprechanlage für ein Wohn- oder Mietshaus Intercom system for a home or apartment building
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