IL137258A0 - Generating calibration signals for an adaptive beamformer - Google Patents

Generating calibration signals for an adaptive beamformer

Info

Publication number
IL137258A0
IL137258A0 IL13725899A IL13725899A IL137258A0 IL 137258 A0 IL137258 A0 IL 137258A0 IL 13725899 A IL13725899 A IL 13725899A IL 13725899 A IL13725899 A IL 13725899A IL 137258 A0 IL137258 A0 IL 137258A0
Authority
IL
Israel
Prior art keywords
signals
microphones
adaptive filters
beamformer
generating
Prior art date
Application number
IL13725899A
Other languages
English (en)
Original Assignee
Ericsson Telefon Ab L M
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 Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of IL137258A0 publication Critical patent/IL137258A0/xx

Links

Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/28—Reducing interference caused by currents induced in cable sheathing or armouring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/20—Countermeasures against jamming
    • H04K3/22—Countermeasures against jamming including jamming detection and monitoring
    • H04K3/224—Countermeasures against jamming including jamming detection and monitoring with countermeasures at transmission and/or reception of the jammed signal, e.g. stopping operation of transmitter or receiver, nulling or enhancing transmitted power in direction of or at frequency of jammer
    • H04K3/228—Elimination in the received signal of jamming or of data corrupted by jamming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/537—Counter-measures or counter-counter-measures, e.g. jamming, anti-jamming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/10—Jamming or countermeasure used for a particular application
    • H04K2203/12—Jamming or countermeasure used for a particular application for acoustic communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/30—Jamming or countermeasure characterized by the infrastructure components
    • H04K2203/32—Jamming or countermeasure characterized by the infrastructure components including a particular configuration of antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/401—2D or 3D arrays of transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Measurement Of Radiation (AREA)
  • Telephone Function (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
IL13725899A 1998-01-30 1999-01-19 Generating calibration signals for an adaptive beamformer IL137258A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/016,264 US6549627B1 (en) 1998-01-30 1998-01-30 Generating calibration signals for an adaptive beamformer
PCT/SE1999/000067 WO1999039497A1 (en) 1998-01-30 1999-01-19 Generating calibration signals for an adaptive beamformer

Publications (1)

Publication Number Publication Date
IL137258A0 true IL137258A0 (en) 2001-07-24

Family

ID=21776231

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13725899A IL137258A0 (en) 1998-01-30 1999-01-19 Generating calibration signals for an adaptive beamformer

Country Status (13)

Country Link
US (1) US6549627B1 (xx)
EP (1) EP1051835B1 (xx)
JP (1) JP2002502193A (xx)
KR (1) KR100527031B1 (xx)
CN (1) CN100446530C (xx)
AT (1) ATE349849T1 (xx)
AU (1) AU751626B2 (xx)
BR (1) BR9908204A (xx)
DE (1) DE69934575D1 (xx)
EE (1) EE200000433A (xx)
IL (1) IL137258A0 (xx)
MY (1) MY121384A (xx)
WO (1) WO1999039497A1 (xx)

Families Citing this family (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3541339B2 (ja) * 1997-06-26 2004-07-07 富士通株式会社 マイクロホンアレイ装置
JP2003535510A (ja) * 2000-05-26 2003-11-25 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 適応ビームフォーミングと結合される音声エコーキャンセレーションのための方法と装置
US20020031234A1 (en) * 2000-06-28 2002-03-14 Wenger Matthew P. Microphone system for in-car audio pickup
FR2828327B1 (fr) * 2000-10-03 2003-12-12 France Telecom Procede et dispositif de reduction d'echo
US7274794B1 (en) 2001-08-10 2007-09-25 Sonic Innovations, Inc. Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in single wave sound environment
US6785381B2 (en) * 2001-11-27 2004-08-31 Siemens Information And Communication Networks, Inc. Telephone having improved hands free operation audio quality and method of operation thereof
AU2003250464A1 (en) * 2002-09-13 2004-04-30 Koninklijke Philips Electronics N.V. Calibrating a first and a second microphone
KR20020086433A (ko) * 2002-10-24 2002-11-18 김효덕 소음제거 기능을 가지는 핸즈프리 장치 및 이를 위한이어마이크 구조체
EP1453348A1 (de) * 2003-02-25 2004-09-01 AKG Acoustics GmbH Selbstkalibrierung von Arraymikrofonen
US7068797B2 (en) * 2003-05-20 2006-06-27 Sony Ericsson Mobile Communications Ab Microphone circuits having adjustable directivity patterns for reducing loudspeaker feedback and methods of operating the same
EP1524879B1 (en) * 2003-06-30 2014-05-07 Nuance Communications, Inc. Handsfree system for use in a vehicle
KR100553557B1 (ko) * 2003-10-06 2006-02-22 에스케이 텔레콤주식회사 무선 텔레매틱스 서비스의 음성 인식률을 향상시키는2개의 마이크를 이용한 노이즈 제거 방법
US20050147258A1 (en) * 2003-12-24 2005-07-07 Ville Myllyla Method for adjusting adaptation control of adaptive interference canceller
WO2005079109A1 (en) * 2004-02-11 2005-08-25 Koninklijke Philips Electronics N.V. Acoustic feedback suppression
CN1947171B (zh) * 2004-04-28 2011-05-04 皇家飞利浦电子股份有限公司 自适应波束形成器、旁瓣抑制器、自动语音通信设备
US7720232B2 (en) * 2004-10-15 2010-05-18 Lifesize Communications, Inc. Speakerphone
DE602005003643T2 (de) * 2005-04-01 2008-11-13 Mitel Networks Corporation, Ottawa Verfahren zur Beschleunigung des Trainings eines akustischen Echokompensators in einem Vollduplexaudiokonferenzsystem durch akustische Strahlbildung
CN1719516B (zh) * 2005-07-15 2010-04-14 北京中星微电子有限公司 自适应滤波装置以及自适应滤波方法
JP4701931B2 (ja) * 2005-09-02 2011-06-15 日本電気株式会社 信号処理の方法及び装置並びにコンピュータプログラム
US8589152B2 (en) 2008-05-28 2013-11-19 Nec Corporation Device, method and program for voice detection and recording medium
US8385557B2 (en) * 2008-06-19 2013-02-26 Microsoft Corporation Multichannel acoustic echo reduction
US8243952B2 (en) * 2008-12-22 2012-08-14 Conexant Systems, Inc. Microphone array calibration method and apparatus
CN102044253B (zh) * 2010-10-29 2012-05-30 深圳创维－Rgb电子有限公司 一种回声信号处理方法、系统及电视机
GB2493327B (en) 2011-07-05 2018-06-06 Skype Processing audio signals
GB2495472B (en) 2011-09-30 2019-07-03 Skype Processing audio signals
GB2495130B (en) 2011-09-30 2018-10-24 Skype Processing audio signals
GB2495128B (en) 2011-09-30 2018-04-04 Skype Processing signals
GB2495129B (en) 2011-09-30 2017-07-19 Skype Processing signals
GB2495131A (en) 2011-09-30 2013-04-03 Skype A mobile device includes a received-signal beamformer that adapts to motion of the mobile device
CN102957819B (zh) * 2011-09-30 2015-01-28 斯凯普公司 处理音频信号的方法及其设备
GB2495278A (en) 2011-09-30 2013-04-10 Skype Processing received signals from a range of receiving angles to reduce interference
GB2496660B (en) 2011-11-18 2014-06-04 Skype Processing audio signals
GB201120392D0 (en) 2011-11-25 2012-01-11 Skype Ltd Processing signals
GB2497343B (en) 2011-12-08 2014-11-26 Skype Processing audio signals
US9084058B2 (en) 2011-12-29 2015-07-14 Sonos, Inc. Sound field calibration using listener localization
US9106192B2 (en) 2012-06-28 2015-08-11 Sonos, Inc. System and method for device playback calibration
US9219460B2 (en) 2014-03-17 2015-12-22 Sonos, Inc. Audio settings based on environment
US9706323B2 (en) * 2014-09-09 2017-07-11 Sonos, Inc. Playback device calibration
US9690539B2 (en) 2012-06-28 2017-06-27 Sonos, Inc. Speaker calibration user interface
JP6186878B2 (ja) * 2013-05-17 2017-08-30 沖電気工業株式会社 集音・放音装置、音源分離ユニット及び音源分離プログラム
US9264839B2 (en) 2014-03-17 2016-02-16 Sonos, Inc. Playback device configuration based on proximity detection
US10127006B2 (en) 2014-09-09 2018-11-13 Sonos, Inc. Facilitating calibration of an audio playback device
US9952825B2 (en) 2014-09-09 2018-04-24 Sonos, Inc. Audio processing algorithms
US9891881B2 (en) 2014-09-09 2018-02-13 Sonos, Inc. Audio processing algorithm database
US9910634B2 (en) 2014-09-09 2018-03-06 Sonos, Inc. Microphone calibration
US10664224B2 (en) 2015-04-24 2020-05-26 Sonos, Inc. Speaker calibration user interface
WO2016172593A1 (en) 2015-04-24 2016-10-27 Sonos, Inc. Playback device calibration user interfaces
US9538305B2 (en) 2015-07-28 2017-01-03 Sonos, Inc. Calibration error conditions
JP6437695B2 (ja) 2015-09-17 2018-12-12 ソノズ インコーポレイテッド オーディオ再生デバイスのキャリブレーションを容易にする方法
US9693165B2 (en) 2015-09-17 2017-06-27 Sonos, Inc. Validation of audio calibration using multi-dimensional motion check
US9743207B1 (en) 2016-01-18 2017-08-22 Sonos, Inc. Calibration using multiple recording devices
US11106423B2 (en) 2016-01-25 2021-08-31 Sonos, Inc. Evaluating calibration of a playback device
US10003899B2 (en) 2016-01-25 2018-06-19 Sonos, Inc. Calibration with particular locations
US9864574B2 (en) 2016-04-01 2018-01-09 Sonos, Inc. Playback device calibration based on representation spectral characteristics
US9860662B2 (en) 2016-04-01 2018-01-02 Sonos, Inc. Updating playback device configuration information based on calibration data
US9763018B1 (en) 2016-04-12 2017-09-12 Sonos, Inc. Calibration of audio playback devices
CN105939508B (zh) * 2016-05-04 2021-10-01 广西科技大学 一种智能自适应无线声学数字传声器
US9794710B1 (en) 2016-07-15 2017-10-17 Sonos, Inc. Spatial audio correction
US9860670B1 (en) 2016-07-15 2018-01-02 Sonos, Inc. Spectral correction using spatial calibration
US10372406B2 (en) 2016-07-22 2019-08-06 Sonos, Inc. Calibration interface
US10459684B2 (en) 2016-08-05 2019-10-29 Sonos, Inc. Calibration of a playback device based on an estimated frequency response
DE102017212980B4 (de) * 2017-07-27 2023-01-19 Volkswagen Aktiengesellschaft Verfahren zur Kompensation von Störgeräuschen bei einer Freisprecheinrichtung in einem Kraftfahrzeug und Freisprecheinrichtung
US11206484B2 (en) 2018-08-28 2021-12-21 Sonos, Inc. Passive speaker authentication
US10299061B1 (en) 2018-08-28 2019-05-21 Sonos, Inc. Playback device calibration
US11070907B2 (en) 2019-04-25 2021-07-20 Khaled Shami Signal matching method and device
US10734965B1 (en) 2019-08-12 2020-08-04 Sonos, Inc. Audio calibration of a portable playback device

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178876B (en) 1984-12-03 1989-06-21 Commw Of Australia Systolic architectures for sonar processing
JP2598483B2 (ja) * 1988-09-05 1997-04-09 日立プラント建設株式会社 電子消音システム
JPH0728470B2 (ja) 1989-02-03 1995-03-29 松下電器産業株式会社 アレイマイクロホン
GB2229892A (en) 1989-03-28 1990-10-03 Plessey Co Plc An adaptive noise cancelling arrangement of a beamformer output
JPH02280422A (ja) * 1989-04-20 1990-11-16 Nec Corp 音声会議装置用エコーキャンセラのトレーニング方法
US5029215A (en) 1989-12-29 1991-07-02 At&T Bell Laboratories Automatic calibrating apparatus and method for second-order gradient microphone
JP2792252B2 (ja) * 1991-03-14 1998-09-03 日本電気株式会社 多チャンネルエコー除去方法および装置
EP0572208B1 (en) * 1992-05-26 2000-02-23 Fujitsu Ten Limited Noise controller
JPH06178383A (ja) 1992-12-04 1994-06-24 Matsushita Electric Ind Co Ltd ビデオカメラ用マイクロホン装置
US5400409A (en) 1992-12-23 1995-03-21 Daimler-Benz Ag Noise-reduction method for noise-affected voice channels
US5434912A (en) * 1993-08-11 1995-07-18 Bell Communications Research, Inc. Audio processing system for point-to-point and multipoint teleconferencing
WO1995031052A1 (fr) * 1994-05-06 1995-11-16 Ntt Mobile Communications Network Inc. Compensateur d'echos et procede d'estimation de la trajectoire de l'echo
SE502888C2 (sv) 1994-06-14 1996-02-12 Volvo Ab Adaptiv mikrofonanordning och förfarande för adaptering till en inkommande målbrussignal
EP0700156B1 (en) 1994-09-01 2002-06-05 Nec Corporation Beamformer using coefficient restrained adaptive filters for cancelling interference signals
US5581495A (en) 1994-09-23 1996-12-03 United States Of America Adaptive signal processing array with unconstrained pole-zero rejection of coherent and non-coherent interfering signals
JP2758846B2 (ja) 1995-02-27 1998-05-28 埼玉日本電気株式会社 ノイズキャンセラ装置
US5664011A (en) * 1995-08-25 1997-09-02 Lucent Technologies Inc. Echo canceller with adaptive and non-adaptive filters
US6002776A (en) * 1995-09-18 1999-12-14 Interval Research Corporation Directional acoustic signal processor and method therefor
US5796819A (en) * 1996-07-24 1998-08-18 Ericsson Inc. Echo canceller for non-linear circuits
JP2874679B2 (ja) * 1997-01-29 1999-03-24 日本電気株式会社 雑音消去方法及びその装置

Also Published As

Publication number Publication date
KR100527031B1 (ko) 2005-11-09
AU2646699A (en) 1999-08-16
MY121384A (en) 2006-01-28
JP2002502193A (ja) 2002-01-22
CN100446530C (zh) 2008-12-24
EP1051835A1 (en) 2000-11-15
KR20010034455A (ko) 2001-04-25
EP1051835B1 (en) 2006-12-27
DE69934575D1 (de) 2007-02-08
WO1999039497A1 (en) 1999-08-05
CN1289508A (zh) 2001-03-28
ATE349849T1 (de) 2007-01-15
EE200000433A (et) 2001-12-17
BR9908204A (pt) 2000-11-28
US6549627B1 (en) 2003-04-15
AU751626B2 (en) 2002-08-22

Similar Documents

Publication Publication Date Title
IL137258A0 (en) Generating calibration signals for an adaptive beamformer
US7359504B1 (en) Method and apparatus for reducing echo and noise
US6738482B1 (en) Noise suppression system with dual microphone echo cancellation
US20070165871A1 (en) Audio system having reverberation reducing filter
WO2000057671A3 (de) Verfahren und einrichtung zum aufnehmen und bearbeiten von audiosignalen in einer störschallerfüllten umgebung
WO2004045244A8 (en) Adaptative noise canceling microphone system
NO175798B (no) Fremgangsmåte og anordning til aktiv stöydemping i et lokalt område
TR200001904T2 (tr) İletişim sistemlerinde yankı bastırılmasını kontrol etmek için yöntemler ve düzenek.
EP1406397A4 (en) "MULTICHANNEL ECHO LOCKING METHOD, MULTICHANNEL SOUND TRANSFER METHOD, STEREO ECHO LENS, STEREO SOUND TRANSFER DEVICE AND TRANSMISSION FUNCTION CALCULATOR"
CA2174366A1 (en) Subband echo cancellation method using projection algorithm
CA2174159A1 (en) Acoustic echo canceler
WO2013169453A2 (en) Frequency and direction-dependent ambient sound handling in personal audio devices having adaptive noise cancellation (anc)
CA2132428A1 (en) Speech communication apparatus
WO2003010995A3 (en) Sound reinforcement system having an multi microphone echo suppressor as post processor
WO2009117084A3 (en) System and method for envelope-based acoustic echo cancellation
CA2290486A1 (en) Cabin communication system
ATE308201T1 (de) Akustisches echounterdrückungsgerät
CA2453867A1 (en) Echo cancellation/suppression and double-talk detection in communication paths
CA2226083A1 (en) Spectral noise compensation for echo cancellation
WO2001006812A8 (en) Feedback cancellation with low frequency input
CA2293911A1 (en) Echo cancelling/suppression for handsets
SE9803636D0 (sv) Nonlinear processor for acoustic echo canceller
GB2422280A (en) Echo canceler
MXPA02005781A (es) Tecnica para deteccion de senales utilizando filtracion adaptable en telemetria de impulsos de lodo.
EP0739123A3 (en) Communication unit with residual acoustic echo suppression and method for suppressing residual echoes

Legal Events

Date Code Title Description
KB Patent renewed
KB Patent renewed
KB Patent renewed
KB Patent renewed
EXP Patent expired