[go: up one dir, main page]

ATE423433T1 - System und verfahren zur mehrkanal- echokompensation - Google Patents

System und verfahren zur mehrkanal- echokompensation

Info

Publication number
ATE423433T1
ATE423433T1 AT06008006T AT06008006T ATE423433T1 AT E423433 T1 ATE423433 T1 AT E423433T1 AT 06008006 T AT06008006 T AT 06008006T AT 06008006 T AT06008006 T AT 06008006T AT E423433 T1 ATE423433 T1 AT E423433T1
Authority
AT
Austria
Prior art keywords
channel
compensation
microphone
loudspeaker
loudspeaker input
Prior art date
Application number
AT06008006T
Other languages
English (en)
Inventor
Markus Buck
Tim Haulick
Martin Roessler
Gerhard Schmidt
Original Assignee
Harman Becker Automotive Sys
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 Harman Becker Automotive Sys filed Critical Harman Becker Automotive Sys
Application granted granted Critical
Publication of ATE423433T1 publication Critical patent/ATE423433T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/08Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082Two-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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/02Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/13Acoustic transducers and sound field adaptation in vehicles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
AT06008006T 2006-04-18 2006-04-18 System und verfahren zur mehrkanal- echokompensation ATE423433T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06008006A EP1848243B1 (de) 2006-04-18 2006-04-18 System und Verfahren zur Mehrkanal-Echokompensation

Publications (1)

Publication Number Publication Date
ATE423433T1 true ATE423433T1 (de) 2009-03-15

Family

ID=37232931

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06008006T ATE423433T1 (de) 2006-04-18 2006-04-18 System und verfahren zur mehrkanal- echokompensation

Country Status (5)

Country Link
US (1) US8130969B2 (de)
EP (1) EP1848243B1 (de)
JP (1) JP5371197B2 (de)
AT (1) ATE423433T1 (de)
DE (1) DE602006005228D1 (de)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8949120B1 (en) * 2006-05-25 2015-02-03 Audience, Inc. Adaptive noise cancelation
EP1879181B1 (de) * 2006-07-11 2014-05-21 Nuance Communications, Inc. Verfahren zur Kompensation von Audiosignalkomponenten in einem Fahrzeugkommunikationssystem und Vorrichtung dafür
US8385557B2 (en) 2008-06-19 2013-02-26 Microsoft Corporation Multichannel acoustic echo reduction
EP2485214A4 (de) * 2009-10-01 2016-12-07 Nec Corp Signalverarbeitungsverfahren, signalverarbeitungsvorrichtung und signalverarbeitungsprogramm
US8634569B2 (en) 2010-01-08 2014-01-21 Conexant Systems, Inc. Systems and methods for echo cancellation and echo suppression
KR20110106715A (ko) * 2010-03-23 2011-09-29 삼성전자주식회사 후방 잡음 제거 장치 및 방법
WO2012094528A1 (en) * 2011-01-05 2012-07-12 Conexant Systems, Inc., A Delaware Corporation Systems and methods for stereo echo cancellation
JP5649488B2 (ja) * 2011-03-11 2015-01-07 株式会社東芝 音声判別装置、音声判別方法および音声判別プログラム
US9768829B2 (en) 2012-05-11 2017-09-19 Intel Deutschland Gmbh Methods for processing audio signals and circuit arrangements therefor
US9491561B2 (en) * 2013-04-11 2016-11-08 Broadcom Corporation Acoustic echo cancellation with internal upmixing
WO2015179482A1 (en) * 2014-05-20 2015-11-26 Cummins Inc. Hybrid motor assist of gear shifting
US9818426B2 (en) * 2014-08-13 2017-11-14 Mitsubishi Electric Corporation Echo canceller
JP6398470B2 (ja) * 2014-08-27 2018-10-03 沖電気工業株式会社 ステレオエコー抑圧装置、エコー抑圧装置、ステレオエコー抑圧方法及びステレオエコー抑圧プログラム
US9565493B2 (en) 2015-04-30 2017-02-07 Shure Acquisition Holdings, Inc. Array microphone system and method of assembling the same
US9554207B2 (en) 2015-04-30 2017-01-24 Shure Acquisition Holdings, Inc. Offset cartridge microphones
US10097919B2 (en) 2016-02-22 2018-10-09 Sonos, Inc. Music service selection
US10264030B2 (en) 2016-02-22 2019-04-16 Sonos, Inc. Networked microphone device control
US9947316B2 (en) 2016-02-22 2018-04-17 Sonos, Inc. Voice control of a media playback system
US9811314B2 (en) 2016-02-22 2017-11-07 Sonos, Inc. Metadata exchange involving a networked playback system and a networked microphone system
US9965247B2 (en) 2016-02-22 2018-05-08 Sonos, Inc. Voice controlled media playback system based on user profile
US10095470B2 (en) 2016-02-22 2018-10-09 Sonos, Inc. Audio response playback
US9978390B2 (en) 2016-06-09 2018-05-22 Sonos, Inc. Dynamic player selection for audio signal processing
US10134399B2 (en) 2016-07-15 2018-11-20 Sonos, Inc. Contextualization of voice inputs
US10115400B2 (en) 2016-08-05 2018-10-30 Sonos, Inc. Multiple voice services
US9942678B1 (en) 2016-09-27 2018-04-10 Sonos, Inc. Audio playback settings for voice interaction
US10181323B2 (en) 2016-10-19 2019-01-15 Sonos, Inc. Arbitration-based voice recognition
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
US11183181B2 (en) 2017-03-27 2021-11-23 Sonos, Inc. Systems and methods of multiple voice services
US10475449B2 (en) 2017-08-07 2019-11-12 Sonos, Inc. Wake-word detection suppression
US10048930B1 (en) 2017-09-08 2018-08-14 Sonos, Inc. Dynamic computation of system response volume
US10446165B2 (en) 2017-09-27 2019-10-15 Sonos, Inc. Robust short-time fourier transform acoustic echo cancellation during audio playback
US10621981B2 (en) 2017-09-28 2020-04-14 Sonos, Inc. Tone interference cancellation
US10482868B2 (en) * 2017-09-28 2019-11-19 Sonos, Inc. Multi-channel acoustic echo cancellation
US10051366B1 (en) 2017-09-28 2018-08-14 Sonos, Inc. Three-dimensional beam forming with a microphone array
US10466962B2 (en) 2017-09-29 2019-11-05 Sonos, Inc. Media playback system with voice assistance
US10880650B2 (en) 2017-12-10 2020-12-29 Sonos, Inc. Network microphone devices with automatic do not disturb actuation capabilities
US10818290B2 (en) 2017-12-11 2020-10-27 Sonos, Inc. Home graph
WO2019152722A1 (en) 2018-01-31 2019-08-08 Sonos, Inc. Device designation of playback and network microphone device arrangements
US11175880B2 (en) 2018-05-10 2021-11-16 Sonos, Inc. Systems and methods for voice-assisted media content selection
US10959029B2 (en) 2018-05-25 2021-03-23 Sonos, Inc. Determining and adapting to changes in microphone performance of playback devices
CN112335261B (zh) 2018-06-01 2023-07-18 舒尔获得控股公司 图案形成麦克风阵列
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
US10575116B2 (en) * 2018-06-20 2020-02-25 Lg Display Co., Ltd. Spectral defect compensation for crosstalk processing of spatial audio signals
US10681460B2 (en) 2018-06-28 2020-06-09 Sonos, Inc. Systems and methods for associating playback devices with voice assistant services
US11076035B2 (en) 2018-08-28 2021-07-27 Sonos, Inc. Do not disturb feature for audio notifications
US10461710B1 (en) 2018-08-28 2019-10-29 Sonos, Inc. Media playback system with maximum volume setting
US10587430B1 (en) 2018-09-14 2020-03-10 Sonos, Inc. Networked devices, systems, and methods for associating playback devices based on sound codes
CN112889296B (zh) 2018-09-20 2025-01-10 舒尔获得控股公司 用于阵列麦克风的可调整的波瓣形状
US11024331B2 (en) 2018-09-21 2021-06-01 Sonos, Inc. Voice detection optimization using sound metadata
US10811015B2 (en) 2018-09-25 2020-10-20 Sonos, Inc. Voice detection optimization based on selected voice assistant service
US11100923B2 (en) 2018-09-28 2021-08-24 Sonos, Inc. Systems and methods for selective wake word detection using neural network models
US10692518B2 (en) 2018-09-29 2020-06-23 Sonos, Inc. Linear filtering for noise-suppressed speech detection via multiple network microphone devices
US11899519B2 (en) 2018-10-23 2024-02-13 Sonos, Inc. Multiple stage network microphone device with reduced power consumption and processing load
EP3654249A1 (de) 2018-11-15 2020-05-20 Snips Erweiterte konvolutionen und takt zur effizienten schlüsselwortauffindung
US11183183B2 (en) 2018-12-07 2021-11-23 Sonos, Inc. Systems and methods of operating media playback systems having multiple voice assistant services
US11132989B2 (en) 2018-12-13 2021-09-28 Sonos, Inc. Networked microphone devices, systems, and methods of localized arbitration
US10602268B1 (en) 2018-12-20 2020-03-24 Sonos, Inc. Optimization of network microphone devices using noise classification
US10867604B2 (en) 2019-02-08 2020-12-15 Sonos, Inc. Devices, systems, and methods for distributed voice processing
EP3942842A1 (de) 2019-03-21 2022-01-26 Shure Acquisition Holdings, Inc. Gehäuse und zugehörige konstruktionsmerkmale für mikrofone einer deckenanordnung
US11558693B2 (en) 2019-03-21 2023-01-17 Shure Acquisition Holdings, Inc. Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition and voice activity detection functionality
CN118803494A (zh) 2019-03-21 2024-10-18 舒尔获得控股公司 具有抑制功能的波束形成麦克风瓣的自动对焦、区域内自动对焦、及自动配置
US11120794B2 (en) 2019-05-03 2021-09-14 Sonos, Inc. Voice assistant persistence across multiple network microphone devices
WO2020237206A1 (en) 2019-05-23 2020-11-26 Shure Acquisition Holdings, Inc. Steerable speaker array, system, and method for the same
US11302347B2 (en) 2019-05-31 2022-04-12 Shure Acquisition Holdings, Inc. Low latency automixer integrated with voice and noise activity detection
US10586540B1 (en) 2019-06-12 2020-03-10 Sonos, Inc. Network microphone device with command keyword conditioning
US11200894B2 (en) 2019-06-12 2021-12-14 Sonos, Inc. Network microphone device with command keyword eventing
EP3771226A1 (de) * 2019-07-23 2021-01-27 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Akustischer echokompensator
US11138969B2 (en) 2019-07-31 2021-10-05 Sonos, Inc. Locally distributed keyword detection
US10871943B1 (en) 2019-07-31 2020-12-22 Sonos, Inc. Noise classification for event detection
WO2021041275A1 (en) 2019-08-23 2021-03-04 Shore Acquisition Holdings, Inc. Two-dimensional microphone array with improved directivity
US11189286B2 (en) 2019-10-22 2021-11-30 Sonos, Inc. VAS toggle based on device orientation
US12028678B2 (en) 2019-11-01 2024-07-02 Shure Acquisition Holdings, Inc. Proximity microphone
US11200900B2 (en) 2019-12-20 2021-12-14 Sonos, Inc. Offline voice control
US11562740B2 (en) 2020-01-07 2023-01-24 Sonos, Inc. Voice verification for media playback
US11556307B2 (en) 2020-01-31 2023-01-17 Sonos, Inc. Local voice data processing
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
US11308958B2 (en) 2020-02-07 2022-04-19 Sonos, Inc. Localized wakeword verification
USD944776S1 (en) 2020-05-05 2022-03-01 Shure Acquisition Holdings, Inc. Audio device
US11482224B2 (en) 2020-05-20 2022-10-25 Sonos, Inc. Command keywords with input detection windowing
US11308962B2 (en) 2020-05-20 2022-04-19 Sonos, Inc. Input detection windowing
US11706562B2 (en) 2020-05-29 2023-07-18 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
US11698771B2 (en) 2020-08-25 2023-07-11 Sonos, Inc. Vocal guidance engines for playback devices
US12283269B2 (en) 2020-10-16 2025-04-22 Sonos, Inc. Intent inference in audiovisual communication sessions
US11984123B2 (en) 2020-11-12 2024-05-14 Sonos, Inc. Network device interaction by range
CN116918351A (zh) 2021-01-28 2023-10-20 舒尔获得控股公司 混合音频波束成形系统
EP4409933A1 (de) 2021-09-30 2024-08-07 Sonos, Inc. Ein- und ausschalten von mikrofonen und sprachassistenten
CN118216161A (zh) 2021-10-04 2024-06-18 舒尔获得控股公司 联网自动混合器系统及方法
US12250526B2 (en) 2022-01-07 2025-03-11 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods
US12327549B2 (en) 2022-02-09 2025-06-10 Sonos, Inc. Gatekeeping for voice intent processing
CN117234454B (zh) * 2023-11-13 2024-02-20 福建联迪商用设备有限公司 一种多通道音频输出控制方法、装置及电子设备

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US604607A (en) * 1898-05-24 Vapor-condenser for vacuum-pans
US5263019A (en) 1991-01-04 1993-11-16 Picturetel Corporation Method and apparatus for estimating the level of acoustic feedback between a loudspeaker and microphone
JP3407392B2 (ja) * 1994-03-22 2003-05-19 松下電器産業株式会社 ステレオエコーキャンセラ
DE19814971A1 (de) 1998-04-03 1999-10-07 Daimlerchrysler Aerospace Ag Verfahren zur Störbefreiung eines Mikrophonsignals
US6421377B1 (en) 1998-05-13 2002-07-16 Globespanvirata, Inc. System and method for echo cancellation over asymmetric spectra
US6442275B1 (en) 1998-09-17 2002-08-27 Lucent Technologies Inc. Echo canceler including subband echo suppressor
US6049607A (en) 1998-09-18 2000-04-11 Lamar Signal Processing Interference canceling method and apparatus
JP2000209135A (ja) 1999-01-20 2000-07-28 Oki Electric Ind Co Ltd エコ―キャンセラ
US6510225B1 (en) 1999-02-16 2003-01-21 Denso Corporation Ultrasonically-calibrated fast-start echo canceller for cellular and pcs telephone car kits
FR2793629B1 (fr) * 1999-05-12 2001-08-03 Matra Nortel Communications Procede et dispositif d'annulation d'echo stereophonique a filtrage dans le domaine frequentiel
CA2390200A1 (en) 1999-11-03 2001-05-10 Charles W. K. Gritton Integrated voice processing system for packet networks
SE519981C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
JP4162860B2 (ja) * 2001-01-12 2008-10-08 アルパイン株式会社 不要音信号除去装置
DE60142583D1 (de) 2001-01-23 2010-08-26 Koninkl Philips Electronics Nv Asymmetrisches mehrkanalfilter
JP3608525B2 (ja) 2001-05-09 2005-01-12 ヤマハ株式会社 2チャンネルエコーキャンセル用フィルタのインパルス応答設定方法および2チャンネルエコーキャンセラ並びに双方向2チャンネル音声伝送装置
JP3506138B2 (ja) * 2001-07-11 2004-03-15 ヤマハ株式会社 複数チャンネルエコーキャンセル方法、複数チャンネル音声伝送方法、ステレオエコーキャンセラ、ステレオ音声伝送装置および伝達関数演算装置
US8098844B2 (en) * 2002-02-05 2012-01-17 Mh Acoustics, Llc Dual-microphone spatial noise suppression
US20030185402A1 (en) 2002-03-27 2003-10-02 Lucent Technologies, Inc. Adaptive distortion manager for use with an acoustic echo canceler and a method of operation thereof
JP4161628B2 (ja) 2002-07-19 2008-10-08 日本電気株式会社 エコー抑圧方法及び装置
DE50205504D1 (de) 2002-09-12 2006-03-30 Siemens Ag Kommunikationsendgerät mit Bandbreitenerweiterung und Echokompensation
US20040059571A1 (en) 2002-09-24 2004-03-25 Marantz Japan, Inc. System for inputting speech, radio receiver and communication system
US6990193B2 (en) 2002-11-29 2006-01-24 Mitel Knowledge Corporation Method of acoustic echo cancellation in full-duplex hands free audio conferencing with spatial directivity
US20050213747A1 (en) * 2003-10-07 2005-09-29 Vtel Products, Inc. Hybrid monaural and multichannel audio for conferencing
US7577248B2 (en) 2004-06-25 2009-08-18 Texas Instruments Incorporated Method and apparatus for echo cancellation, digit filter adaptation, automatic gain control and echo suppression utilizing block least mean squares
KR100827146B1 (ko) 2004-09-20 2008-05-02 삼성전자주식회사 이동 단말에서 반향 제거 방법 및 장치
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
US7970123B2 (en) 2005-10-20 2011-06-28 Mitel Networks Corporation Adaptive coupling equalization in beamforming-based communication systems

Also Published As

Publication number Publication date
DE602006005228D1 (de) 2009-04-02
JP5371197B2 (ja) 2013-12-18
US8130969B2 (en) 2012-03-06
EP1848243B1 (de) 2009-02-18
EP1848243A1 (de) 2007-10-24
JP2007288775A (ja) 2007-11-01
US20080031466A1 (en) 2008-02-07

Similar Documents

Publication Publication Date Title
ATE423433T1 (de) System und verfahren zur mehrkanal- echokompensation
EP4456566A3 (de) Lineare filterung für rauschunterdrückte sprachdetektion
ATE511322T1 (de) Hörgerät und verfahren zur verwendung von verstärkungsbegrenzung in einem hörgerät
DE602006006664D1 (de) Reduzierung von Hintergrundrauschen in Freisprechsystemen
ATE543343T1 (de) Tonsignalverarbeitung
WO2008126287A1 (ja) 能動消音装置および能動消音方法
WO2009044357A3 (en) Low frequency management for multichannel sound reproduction systems
WO2008071236A3 (en) Hearing system with enhanced noise cancelling and method for operating a hearing system
ATE484160T1 (de) Verfahren zur rückkopplungslöschung in einem hörgerät und hörgerät
WO2011044063A3 (en) Multichannel audio system having audio channel compensation
ATE477687T1 (de) Verfahren und system zur ermittlung des abstands zwischen lautsprechern
MX2021006078A (es) Metodo para monitorear una instalacion ganadera y/o animales de ganado en una instalacion ganadera usando tecnicas de procesamiento de sonido mejoradas.
EP2207168A3 (de) Robustes Rauschunterdrückungssystem mit zwei Mikrophonen
DE602006014836D1 (de) Verfahren und system zur echolöschung bei wenig verzögerung
ATE524015T1 (de) Verfahren und vorrichtung zur verarbeitung mindestens zweier mikrofonsignale zur sendung eines ausgangssignals mit reduzierter interferenz
MX367429B (es) Un aparato de procesamiento de señal de audio y metodo para filtrar una señal de audio.
ATE409399T1 (de) Verfahren und system zum verarbeiten von tonsignalen
DK1949755T3 (da) Høreapparat og fremgangsmåde til behandling af indgangssignaler i et høreapparat
ATE484924T1 (de) Zeit-adaptives einstellen einer hörhilfevorrichtung und entsprechendes verfahren
DE502009000397D1 (de) Adaptives Mikrofonsystem für ein Hörgerät und zugehöriges Betriebsverfahren
WO2009047871A1 (ja) エコー抑圧システム、エコー抑圧方法、エコー抑圧プログラム、エコー抑圧装置、音出力装置、オーディオシステム、ナビゲーションシステム及び移動体
EP1703767A3 (de) Rückkopplungsunterdrükungsvorrichtung und Schallverstärkungssystem
EP3739903A3 (de) Aktive raumkompensation in einem lautsprechersystem
WO2009066906A3 (en) Apparatus for sound having multiple stereo imaging
DE50209842D1 (de) Vorrichtung und verfahren zur mehrkanaligen akustischen echokompensation mit variabler kanalzahl

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties