AU2001292590A1 - Network echo canceller for integrated telecommunications processing - Google Patents

Network echo canceller for integrated telecommunications processing

Info

Publication number
AU2001292590A1
AU2001292590A1 AU2001292590A AU9259001A AU2001292590A1 AU 2001292590 A1 AU2001292590 A1 AU 2001292590A1 AU 2001292590 A AU2001292590 A AU 2001292590A AU 9259001 A AU9259001 A AU 9259001A AU 2001292590 A1 AU2001292590 A1 AU 2001292590A1
Authority
AU
Australia
Prior art keywords
echo canceller
network echo
integrated telecommunications
telecommunications processing
processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2001292590A
Inventor
Anurag Bist
Stan Hsieh
Raghavendra S. Prabhu
Adam Strauss
Zhen Zhu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intel Corp
Original Assignee
Intel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Intel Corp filed Critical Intel Corp
Publication of AU2001292590A1 publication Critical patent/AU2001292590A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/20Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
AU2001292590A 2000-09-09 2001-09-07 Network echo canceller for integrated telecommunications processing Abandoned AU2001292590A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US21352100P 2000-09-09 2000-09-09
US60/213,521 2000-09-09
US09/948,501 2001-09-06
US09/948,501 US6738358B2 (en) 2000-09-09 2001-09-06 Network echo canceller for integrated telecommunications processing
PCT/US2001/028138 WO2002021718A2 (en) 2000-09-09 2001-09-07 Network echo canceller for integrated telecommunications processing

Publications (1)

Publication Number Publication Date
AU2001292590A1 true AU2001292590A1 (en) 2002-03-22

Family

ID=26908161

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001292590A Abandoned AU2001292590A1 (en) 2000-09-09 2001-09-07 Network echo canceller for integrated telecommunications processing

Country Status (3)

Country Link
US (1) US6738358B2 (en)
AU (1) AU2001292590A1 (en)
WO (1) WO2002021718A2 (en)

Families Citing this family (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6765931B1 (en) * 1999-04-13 2004-07-20 Broadcom Corporation Gateway with voice
US7933295B2 (en) * 1999-04-13 2011-04-26 Broadcom Corporation Cable modem with voice processing capability
US6512764B1 (en) * 1999-07-16 2003-01-28 General Bandwidth Inc. Method and apparatus for providing voice signals to and from a telecommunications switch
EP1238489B1 (en) * 1999-12-13 2008-03-05 Broadcom Corporation Voice gateway with downstream voice synchronization
US6754805B1 (en) * 2000-08-07 2004-06-22 Transwitch Corporation Method and apparatus for configurable multi-cell digital signal processing employing global parallel configuration
US7031992B2 (en) * 2000-09-08 2006-04-18 Quartics, Inc. Hardware function generator support in a DSP
US7206404B2 (en) * 2000-09-12 2007-04-17 Tandberg Telecom As Communications system and method utilizing centralized signal processing
US7184427B1 (en) * 2000-11-28 2007-02-27 Genband Inc. System and method for communicating telecommunication information from a broadband network to a telecommunication network
US7385963B1 (en) * 2000-11-28 2008-06-10 Genband Inc. System and method for communicating telecommunication information from a telecommunication network to a broadband network
US20040190499A1 (en) * 2001-05-01 2004-09-30 Mindspeed Technologies, Inc. Method and system for configuring gateways to facilitate a modem connection over a packet network
US7180869B2 (en) * 2001-08-30 2007-02-20 Avaya Technology Corp. Comprehensive echo control system
US7095720B1 (en) * 2001-10-17 2006-08-22 Sprint Communications Company L.P. Trunk level echo canceller test system
US7085245B2 (en) * 2001-11-05 2006-08-01 3Dsp Corporation Coefficient domain history storage of voice processing systems
US20030112758A1 (en) * 2001-12-03 2003-06-19 Pang Jon Laurent Methods and systems for managing variable delays in packet transmission
US20030105799A1 (en) * 2001-12-03 2003-06-05 Avaz Networks, Inc. Distributed processing architecture with scalable processing layers
US20030185227A1 (en) * 2002-03-29 2003-10-02 International Business Machines Corporation Secondary queue for sequential processing of related queue elements
US7302503B2 (en) * 2002-04-01 2007-11-27 Broadcom Corporation Memory access engine having multi-level command structure
CN100367736C (en) * 2002-04-30 2008-02-06 艾利森电话股份有限公司 Method and apparatus for connecting a workstation to a wide area network
US7388954B2 (en) 2002-06-24 2008-06-17 Freescale Semiconductor, Inc. Method and apparatus for tone indication
US7215765B2 (en) 2002-06-24 2007-05-08 Freescale Semiconductor, Inc. Method and apparatus for pure delay estimation in a communication system
US7242762B2 (en) * 2002-06-24 2007-07-10 Freescale Semiconductor, Inc. Monitoring and control of an adaptive filter in a communication system
WO2004006462A1 (en) * 2002-07-02 2004-01-15 Siemens Aktiengesellschaft Runtime-dependent switching off of the echo compensation in packet networks
US7050576B2 (en) * 2002-08-20 2006-05-23 Texas Instruments Incorporated Double talk, NLP and comfort noise
US7251213B2 (en) * 2002-09-17 2007-07-31 At&T Corp. Method for remote measurement of echo path delay
US6970559B2 (en) * 2002-09-30 2005-11-29 Rockwell Electronic Commerce Technologies, Llc Method and apparatus for detecting echo cancellers
US7333447B2 (en) * 2002-12-23 2008-02-19 Broadcom Corporation Packet voice system with far-end echo cancellation
US7420937B2 (en) 2002-12-23 2008-09-02 Broadcom Corporation Selectively adaptable far-end echo cancellation in a packet voice system
US7218730B2 (en) * 2003-08-13 2007-05-15 International Business Machines Corporation System and method for analysis and filtering of signals in a telecommunications network
US7508806B1 (en) * 2003-08-29 2009-03-24 National Semiconductor Corporation Communication signal processor architecture
US7272233B2 (en) * 2003-09-11 2007-09-18 Clarity Technologies, Inc. Acoustic shock prevention
US20050141784A1 (en) * 2003-12-31 2005-06-30 Ferriz Rafael M. Image scaling using an array of processing elements
GB0402102D0 (en) * 2004-01-30 2004-03-03 Mitel Networks Corp Method for detecting echo path changes in echo cancellers
US20050213748A1 (en) * 2004-02-11 2005-09-29 Rtx Telecom A/S Line extender for high speed modem data transfer
JP4630956B2 (en) * 2004-03-30 2011-02-09 学校法人早稲田大学 Howling frequency component enhancement method and apparatus, howling detection method and apparatus, howling suppression method and apparatus, peak frequency component enhancement method and apparatus
US7609646B1 (en) 2004-04-14 2009-10-27 Cisco Technology, Inc. Method and apparatus for eliminating false voice detection in voice band data service
US20050286443A1 (en) * 2004-06-29 2005-12-29 Octiv, Inc. Conferencing system
US20050285935A1 (en) * 2004-06-29 2005-12-29 Octiv, Inc. Personal conferencing node
US7573839B2 (en) * 2004-07-07 2009-08-11 Broadcom Corporation Line driver for an adaptive hybrid circuit
US7688968B1 (en) 2004-09-16 2010-03-30 Marvell International Ltd. Adaptive analog echo/next cancellation
US7917356B2 (en) 2004-09-16 2011-03-29 At&T Corporation Operating method for voice activity detection/silence suppression system
US7583621B2 (en) * 2004-10-05 2009-09-01 Cisco Technology, Inc. Method and apparatus for suppressing echo cancelling in a packet switched network
US7646763B2 (en) * 2004-10-08 2010-01-12 Cisco Technology, Inc. Method and apparatus for improving voice band data (VBD) connectivity in a communications network
FR2877516A1 (en) * 2004-11-04 2006-05-05 France Telecom DEVICE AND METHOD FOR DETECTING DIVERGENCE OF AN ADAPTIVE SYSTEM AND USE OF SUCH A DEVICE FOR DETECTING DIVERGENCE OF A DIGITAL FILTER.
US20080126812A1 (en) * 2005-01-10 2008-05-29 Sherjil Ahmed Integrated Architecture for the Unified Processing of Visual Media
DE602005008895D1 (en) * 2005-02-11 2008-09-25 Mitel Networks Corp Method for measuring the distortion and for determining the threshold of the residual echo in connecting lines
US7610197B2 (en) * 2005-08-31 2009-10-27 Motorola, Inc. Method and apparatus for comfort noise generation in speech communication systems
CN1984102A (en) * 2005-12-13 2007-06-20 华为技术有限公司 Device and method for eliminating electric echo
US8295475B2 (en) * 2006-01-13 2012-10-23 Microsoft Corporation Selective glitch detection, clock drift compensation, and anti-clipping in audio echo cancellation
US7773743B2 (en) * 2006-04-28 2010-08-10 Microsoft Corporation Integration of a microphone array with acoustic echo cancellation and residual echo suppression
US7831035B2 (en) * 2006-04-28 2010-11-09 Microsoft Corporation Integration of a microphone array with acoustic echo cancellation and center clipping
JP4847270B2 (en) * 2006-10-12 2011-12-28 キヤノン株式会社 Facsimile device, control method therefor, program, and storage medium
US8369511B2 (en) * 2006-12-26 2013-02-05 Huawei Technologies Co., Ltd. Robust method of echo suppressor
US8406415B1 (en) 2007-03-14 2013-03-26 Clearone Communications, Inc. Privacy modes in an open-air multi-port conferencing device
US8654955B1 (en) 2007-03-14 2014-02-18 Clearone Communications, Inc. Portable conferencing device with videoconferencing option
US7912211B1 (en) 2007-03-14 2011-03-22 Clearone Communications, Inc. Portable speakerphone device and subsystem
US8019076B1 (en) 2007-03-14 2011-09-13 Clearone Communications, Inc. Portable speakerphone device and subsystem utilizing false doubletalk detection
US8077857B1 (en) 2007-03-14 2011-12-13 Clearone Communications, Inc. Portable speakerphone device with selective mixing
US20080247535A1 (en) * 2007-04-09 2008-10-09 Microsoft Corporation Method and apparatus for mitigating impact of nonlinear effects on the quality of audio echo cancellation
US8391472B2 (en) * 2007-06-06 2013-03-05 Dreamworks Animation Llc Acoustic echo cancellation solution for video conferencing
US7876865B2 (en) 2007-06-08 2011-01-25 COM DEV International Ltd System and method for decoding automatic identification system signals
US20090161797A1 (en) * 2007-06-08 2009-06-25 Cowles Philip R Satellite detection of automatic identification system signals
US8275314B1 (en) 2007-08-13 2012-09-25 Marvell International Ltd. Bluetooth scan modes
US8577305B1 (en) 2007-09-21 2013-11-05 Marvell International Ltd. Circuits and methods for generating oscillating signals
US20090097401A1 (en) * 2007-10-12 2009-04-16 Wael William Diab Method and system for configurable data rate thresholds for energy efficient ethernet
US8290142B1 (en) 2007-11-12 2012-10-16 Clearone Communications, Inc. Echo cancellation in a portable conferencing device with externally-produced audio
US8588705B1 (en) * 2007-12-11 2013-11-19 Marvell International Ltd. System and method of determining Power over Ethernet impairment
US8515052B2 (en) 2007-12-17 2013-08-20 Wai Wu Parallel signal processing system and method
US8380253B2 (en) * 2008-02-15 2013-02-19 Microsoft Corporation Voice switching for voice communication on computers
US8275139B2 (en) * 2008-03-26 2012-09-25 Ittiam Systems (P) Ltd. Linear full duplex system and method for acoustic echo cancellation
US8331552B2 (en) * 2008-05-09 2012-12-11 Agere Systems Llc Detection of double talk in telecommunications networks
KR101650109B1 (en) 2008-06-16 2016-08-22 마벨 월드 트레이드 리미티드 Short-range wireless communication
US8369251B2 (en) * 2008-06-20 2013-02-05 Microsoft Corporation Timestamp quality assessment for assuring acoustic echo canceller operability
US8600324B1 (en) 2008-06-27 2013-12-03 Marvell International Ltd Circuit and method for adjusting a digitally controlled oscillator
US8472968B1 (en) 2008-08-11 2013-06-25 Marvell International Ltd. Location-based detection of interference in cellular communications systems
US8755515B1 (en) 2008-09-29 2014-06-17 Wai Wu Parallel signal processing system and method
US8498407B2 (en) * 2008-12-02 2013-07-30 Qualcomm Incorporated Systems and methods for double-talk detection in acoustically harsh environments
WO2010083641A1 (en) * 2009-01-20 2010-07-29 华为技术有限公司 Method and apparatus for detecting double talk
US8532041B1 (en) 2009-04-24 2013-09-10 Marvell International Ltd. Method for transmitting information in a regulated spectrum and network configured to operate in the regulated spectrum
US20110013766A1 (en) * 2009-07-15 2011-01-20 Dyba Roman A Method and apparatus having echo cancellation and tone detection for a voice/tone composite signal
US9066369B1 (en) 2009-09-16 2015-06-23 Marvell International Ltd. Coexisting radio communication
US8780788B2 (en) 2009-09-25 2014-07-15 Com Dev International Ltd. Systems and methods for decoding automatic identification system signals
BR112012008671A2 (en) * 2009-10-19 2016-04-19 Ericsson Telefon Ab L M method for detecting voice activity from a received input signal, and, voice activity detector
CN102177688B (en) * 2009-12-10 2014-12-17 华为技术有限公司 Method, apparatus and system for speech coding and decoding
US8787561B2 (en) 2010-04-27 2014-07-22 Freescale Semiconductor, Inc. Techniques for implementing adaptation control of an echo canceller to facilitate detection of in-band signals
US9331774B2 (en) 2010-06-09 2016-05-03 Exactearth Ltd. Systems and methods for segmenting a satellite field of view for detecting radio frequency signals
US8879438B2 (en) 2011-05-11 2014-11-04 Radisys Corporation Resource efficient acoustic echo cancellation in IP networks
US8983557B1 (en) 2011-06-30 2015-03-17 Marvell International Ltd. Reducing power consumption of a multi-antenna transceiver
US9125216B1 (en) 2011-09-28 2015-09-01 Marvell International Ltd. Method and apparatus for avoiding interference among multiple radios
US9215708B2 (en) 2012-02-07 2015-12-15 Marvell World Trade Ltd. Method and apparatus for multi-network communication
US9015567B2 (en) 2012-04-12 2015-04-21 Com Dev International Ltd. Methods and systems for consistency checking and anomaly detection in automatic identification system signal data
US9450649B2 (en) 2012-07-02 2016-09-20 Marvell World Trade Ltd. Shaping near-field transmission signals
DE102014207417A1 (en) * 2014-04-17 2015-10-22 Robert Bosch Gmbh Interface unit
GB2527865B (en) * 2014-10-30 2016-12-14 Imagination Tech Ltd Controlling operational characteristics of an acoustic echo canceller
US9704507B2 (en) * 2014-10-31 2017-07-11 Ensequence, Inc. Methods and systems for decreasing latency of content recognition
US9973633B2 (en) 2014-11-17 2018-05-15 At&T Intellectual Property I, L.P. Pre-distortion system for cancellation of nonlinear distortion in mobile devices
US10154148B1 (en) * 2017-08-03 2018-12-11 Polycom, Inc. Audio echo cancellation with robust double-talk detection in a conferencing environment
US10630846B2 (en) * 2018-04-16 2020-04-21 QRT Software, LLC Intercommunication system with adaptive transmit delay
US11003814B1 (en) 2019-05-22 2021-05-11 X Development Llc Optimization of physical devices via adaptive filter techniques
US11170760B2 (en) * 2019-06-21 2021-11-09 Robert Bosch Gmbh Detecting speech activity in real-time in audio signal
TWI730422B (en) * 2019-09-23 2021-06-11 瑞昱半導體股份有限公司 Receiver and associated signal processing method

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5142677A (en) 1989-05-04 1992-08-25 Texas Instruments Incorporated Context switching devices, systems and methods
JPH0748681B2 (en) * 1989-02-23 1995-05-24 日本電気株式会社 Echo canceller coefficient control method
US5341374A (en) 1991-03-01 1994-08-23 Trilan Systems Corporation Communication network integrating voice data and video with distributed call processing
US5452289A (en) 1993-01-08 1995-09-19 Multi-Tech Systems, Inc. Computer-based multifunction personal communications system
JP3094832B2 (en) 1995-03-24 2000-10-03 三菱電機株式会社 Signal discriminator
FI110826B (en) 1995-06-08 2003-03-31 Nokia Corp Eliminating an acoustic echo in a digital mobile communication system
US5598466A (en) 1995-08-28 1997-01-28 Intel Corporation Voice activity detector for half-duplex audio communication system
US5983253A (en) 1995-09-05 1999-11-09 Intel Corporation Computer system for performing complex digital filters
JP2842345B2 (en) * 1995-11-29 1999-01-06 日本電気株式会社 Echo canceller
US5933494A (en) * 1995-12-07 1999-08-03 Rockwell International Corporation Echo canceling method and apparatus in a communication device
DE19625569A1 (en) 1996-06-26 1998-01-02 Philips Patentverwaltung Signal processor
US5937009A (en) * 1996-06-28 1999-08-10 Wong; Kon Max Sub-band echo canceller using optimum wavelet packets and cross-band cancellation
DE19639703C2 (en) 1996-09-26 1999-05-20 Siemens Ag Method and arrangement for echo cancellation
KR100201776B1 (en) 1996-11-06 1999-06-15 김영환 Adaptive equalizer
US6377683B1 (en) * 1998-05-29 2002-04-23 3Com Corporation Low complexity frequency domain echo canceller for DMT transceivers
US6188981B1 (en) 1998-09-18 2001-02-13 Conexant Systems, Inc. Method and apparatus for detecting voice activity in a speech signal
US6570986B1 (en) * 1999-08-30 2003-05-27 Industrial Technology Research Institute Double-talk detector
US6330660B1 (en) 1999-10-25 2001-12-11 Vxtel, Inc. Method and apparatus for saturated multiplication and accumulation in an application specific signal processor

Also Published As

Publication number Publication date
US6738358B2 (en) 2004-05-18
US20020064139A1 (en) 2002-05-30
WO2002021718A2 (en) 2002-03-14
WO2002021718A3 (en) 2003-03-27

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