AU2001242016A1 - Desired voice detection in echo suppression - Google Patents

Desired voice detection in echo suppression

Info

Publication number
AU2001242016A1
AU2001242016A1 AU2001242016A AU4201601A AU2001242016A1 AU 2001242016 A1 AU2001242016 A1 AU 2001242016A1 AU 2001242016 A AU2001242016 A AU 2001242016A AU 4201601 A AU4201601 A AU 4201601A AU 2001242016 A1 AU2001242016 A1 AU 2001242016A1
Authority
AU
Australia
Prior art keywords
voice detection
echo suppression
desired voice
echo
suppression
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
AU2001242016A
Inventor
Eric Douglas Romesburg
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.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of AU2001242016A1 publication Critical patent/AU2001242016A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AU2001242016A 2000-04-14 2001-03-05 Desired voice detection in echo suppression Abandoned AU2001242016A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09549964 2000-04-14
US09/549,964 US6507653B1 (en) 2000-04-14 2000-04-14 Desired voice detection in echo suppression
PCT/US2001/007310 WO2001080439A1 (en) 2000-04-14 2001-03-05 Desired voice detection in echo suppression

Publications (1)

Publication Number Publication Date
AU2001242016A1 true AU2001242016A1 (en) 2001-10-30

Family

ID=24195138

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001242016A Abandoned AU2001242016A1 (en) 2000-04-14 2001-03-05 Desired voice detection in echo suppression

Country Status (3)

Country Link
US (1) US6507653B1 (en)
AU (1) AU2001242016A1 (en)
WO (1) WO2001080439A1 (en)

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EP1062737B8 (en) * 1998-01-15 2009-03-25 Siemens Enterprise Communications GmbH & Co. KG Method for setting up echo suppression devices in communication links with automatic machines
US6560332B1 (en) * 1999-05-18 2003-05-06 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for improving echo suppression in bi-directional communications systems
US6580793B1 (en) * 1999-08-31 2003-06-17 Lucent Technologies Inc. Method and apparatus for echo cancellation with self-deactivation
US6665402B1 (en) * 1999-08-31 2003-12-16 Nortel Networks Limited Method and apparatus for performing echo cancellation
US6925174B2 (en) * 1999-12-09 2005-08-02 Broadcom Corporation Interaction between echo canceller and packet voice processing
US7920697B2 (en) 1999-12-09 2011-04-05 Broadcom Corp. Interaction between echo canceller and packet voice processing
US20150117441A1 (en) * 2013-10-28 2015-04-30 Michael Pascazi System and method for cell phone to cell phone signal transmission via the internet
US7339605B2 (en) * 2004-04-16 2008-03-04 Polycom, Inc. Conference link between a speakerphone and a video conference unit
GB2375688B (en) * 2001-05-14 2004-09-29 Motorola Ltd Telephone apparatus and a communication method using such apparatus
US20030206579A1 (en) * 2001-10-01 2003-11-06 Bryant Paul Henry Multistage nonlinear echo-canceller for digital communication systems with or without frequency division duplexing
US6836547B2 (en) * 2001-12-20 2004-12-28 Motorol, Inc. Protecting an echo canceller against random transitions in echo paths
US6961422B2 (en) * 2001-12-28 2005-11-01 Avaya Technology Corp. Gain control method for acoustic echo cancellation and suppression
US7171004B2 (en) * 2002-08-05 2007-01-30 Avaya Technology Corp. Room acoustics echo meter for voice terminals
US6925176B2 (en) * 2003-06-27 2005-08-02 Nokia Corporation Method for enhancing the acoustic echo cancellation system using residual echo filter
US6954530B2 (en) 2003-07-09 2005-10-11 Utah State University Echo cancellation filter
US6996229B2 (en) 2003-07-09 2006-02-07 Utah State University Echo cancellation filter
US8509703B2 (en) * 2004-12-22 2013-08-13 Broadcom Corporation Wireless telephone with multiple microphones and multiple description transmission
US20060133621A1 (en) * 2004-12-22 2006-06-22 Broadcom Corporation Wireless telephone having multiple microphones
US20060147063A1 (en) * 2004-12-22 2006-07-06 Broadcom Corporation Echo cancellation in telephones with multiple microphones
US8457614B2 (en) 2005-04-07 2013-06-04 Clearone Communications, Inc. Wireless multi-unit conference phone
US7734034B1 (en) 2005-06-21 2010-06-08 Avaya Inc. Remote party speaker phone detection
US7764634B2 (en) * 2005-12-29 2010-07-27 Microsoft Corporation Suppression of acoustic feedback in voice communications
US7920696B2 (en) * 2006-12-14 2011-04-05 Motorola Mobility, Inc. Method and device for changing to a speakerphone mode
EP1940139B1 (en) * 2006-12-28 2013-05-22 France Telecom Control of echo suppression filters
US20100128883A1 (en) * 2007-04-27 2010-05-27 Vanderford Michael L System And Method Of Calibrating An Echo Canceller Using Preemptive Tone Sequencing
US20100098266A1 (en) * 2007-06-01 2010-04-22 Ikoa Corporation Multi-channel audio device
US8428661B2 (en) * 2007-10-30 2013-04-23 Broadcom Corporation Speech intelligibility in telephones with multiple microphones
US8199927B1 (en) 2007-10-31 2012-06-12 ClearOnce Communications, Inc. Conferencing system implementing echo cancellation and push-to-talk microphone detection using two-stage frequency filter
US8050398B1 (en) 2007-10-31 2011-11-01 Clearone Communications, Inc. Adaptive conferencing pod sidetone compensator connecting to a telephonic device having intermittent sidetone
JP5298769B2 (en) * 2008-10-27 2013-09-25 ヤマハ株式会社 Noise estimation device, communication device, and noise estimation method
US8750491B2 (en) 2009-03-24 2014-06-10 Microsoft Corporation Mitigation of echo in voice communication using echo detection and adaptive non-linear processor
US8687797B2 (en) * 2009-05-28 2014-04-01 Broadcom Corporation Method and system for a dual echo canceller
US9343073B1 (en) * 2010-04-20 2016-05-17 Knowles Electronics, Llc Robust noise suppression system in adverse echo conditions
US9042535B2 (en) * 2010-09-29 2015-05-26 Cisco Technology, Inc. Echo control optimization
US9307321B1 (en) 2011-06-09 2016-04-05 Audience, Inc. Speaker distortion reduction
EP2828854B1 (en) 2012-03-23 2016-03-16 Dolby Laboratories Licensing Corporation Hierarchical active voice detection
GB2515593B (en) 2013-12-23 2015-12-23 Imagination Tech Ltd Acoustic echo suppression
GB2527865B (en) * 2014-10-30 2016-12-14 Imagination Tech Ltd Controlling operational characteristics of an acoustic echo canceller
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
US10242673B2 (en) 2016-12-07 2019-03-26 Google Llc Preventing of audio attacks using an input and an output hotword detection model
US10134396B2 (en) 2016-12-07 2018-11-20 Google Llc Preventing of audio attacks
US9940930B1 (en) 2016-12-07 2018-04-10 Google Llc Securing audio data
JP7302597B2 (en) 2018-06-11 2023-07-04 ソニーグループ株式会社 SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, PROGRAM
CN112053700B (en) * 2020-08-31 2023-02-07 浙江大华技术股份有限公司 Scene recognition method and device, electronic equipment and computer-readable storage medium

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GB2245459A (en) 1990-06-20 1992-01-02 Motorola Inc Echo canceller with adaptive voice switch attenuation
US5475731A (en) * 1994-01-07 1995-12-12 Ericsson Inc. Echo-canceling system and method using echo estimate to modify error signal
US5835851A (en) * 1995-01-19 1998-11-10 Ericsson Inc. Method and apparatus for echo reduction in a hands-free cellular radio using added noise frames
JP2928130B2 (en) 1995-04-19 1999-08-03 埼玉日本電気株式会社 Hands-free communication device
US6185300B1 (en) * 1996-12-31 2001-02-06 Ericsson Inc. Echo canceler for use in communications system
CA2247429C (en) 1997-01-23 2002-01-01 Motorola, Inc. Apparatus and method for non-linear processing in a communication system
US5920834A (en) * 1997-01-31 1999-07-06 Qualcomm Incorporated Echo canceller with talk state determination to control speech processor functional elements in a digital telephone system

Also Published As

Publication number Publication date
US6507653B1 (en) 2003-01-14
WO2001080439A1 (en) 2001-10-25

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