BRPI1008266A2 - disposição canceladora de eco acustico de múltiplos canais e método de cancelamento de eco acústico de múltiplos canais - Google Patents

disposição canceladora de eco acustico de múltiplos canais e método de cancelamento de eco acústico de múltiplos canais

Info

Publication number
BRPI1008266A2
BRPI1008266A2 BRPI1008266A BRPI1008266A BRPI1008266A2 BR PI1008266 A2 BRPI1008266 A2 BR PI1008266A2 BR PI1008266 A BRPI1008266 A BR PI1008266A BR PI1008266 A BRPI1008266 A BR PI1008266A BR PI1008266 A2 BRPI1008266 A2 BR PI1008266A2
Authority
BR
Brazil
Prior art keywords
echo cancellation
acoustic echo
channel acoustic
arrangement
multiple channel
Prior art date
Application number
BRPI1008266A
Other languages
English (en)
Inventor
Cornelis Pieter Janse
Mahdi Triki
Original Assignee
Koninkl Philips Electronics Nv
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42732084&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI1008266(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of BRPI1008266A2 publication Critical patent/BRPI1008266A2/pt
Publication of BRPI1008266B1 publication Critical patent/BRPI1008266B1/pt

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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/02—Circuits for transducers for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements

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)
  • Neurosurgery (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
BRPI1008266-2A 2009-06-02 2010-05-27 Disposição canceladora de eco acústico de múltiplos canais e método de cancelamento de eco acústico de múltiplos canais BRPI1008266B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09161675.5 2009-06-02
EP09161675 2009-06-02
PCT/IB2010/052352 WO2010140084A1 (en) 2009-06-02 2010-05-27 Acoustic multi-channel cancellation

Publications (2)

Publication Number Publication Date
BRPI1008266A2 true BRPI1008266A2 (pt) 2016-03-15
BRPI1008266B1 BRPI1008266B1 (pt) 2020-08-04

Family

ID=42732084

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1008266-2A BRPI1008266B1 (pt) 2009-06-02 2010-05-27 Disposição canceladora de eco acústico de múltiplos canais e método de cancelamento de eco acústico de múltiplos canais

Country Status (8)

Country Link
US (1) US9008327B2 (pt)
EP (1) EP2438766B1 (pt)
JP (1) JP5451876B2 (pt)
KR (1) KR101676393B1 (pt)
CN (1) CN102461205B (pt)
BR (1) BRPI1008266B1 (pt)
RU (1) RU2546717C2 (pt)
WO (1) WO2010140084A1 (pt)

Families Citing this family (55)

* 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
JP5493817B2 (ja) * 2009-12-17 2014-05-14 沖電気工業株式会社 エコーキャンセラ
US9558755B1 (en) 2010-05-20 2017-01-31 Knowles Electronics, Llc Noise suppression assisted automatic speech recognition
CN102572642B (zh) * 2010-12-14 2014-12-10 联芯科技有限公司 音频pop音的消除方法及耳机音频电路
CN102457632B (zh) * 2011-12-29 2014-07-30 歌尔声学股份有限公司 一种多受话端回声消除方法
CN102646418B (zh) * 2012-03-29 2014-07-23 北京华夏电通科技股份有限公司 一种远程音频交互的多路声学回音消除方法及系统
US9497544B2 (en) 2012-07-02 2016-11-15 Qualcomm Incorporated Systems and methods for surround sound echo reduction
WO2014045123A2 (en) * 2012-09-24 2014-03-27 Actiwave Ab Control and protection of loudspeakers
US9640194B1 (en) 2012-10-04 2017-05-02 Knowles Electronics, Llc Noise suppression for speech processing based on machine-learning mask estimation
CN103813241B (zh) * 2012-11-09 2016-02-10 辉达公司 移动电子设备及其音频播放装置
EP2787746A1 (en) * 2013-04-05 2014-10-08 Koninklijke Philips N.V. Apparatus and method for improving the audibility of specific sounds to a user
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
GB2515592B (en) * 2013-12-23 2016-11-30 Imagination Tech Ltd Echo path change detector
EP2980789A1 (en) * 2014-07-30 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhancing an audio signal, sound enhancing system
CN106797512B (zh) 2014-08-28 2019-10-25 美商楼氏电子有限公司 多源噪声抑制的方法、系统和非瞬时计算机可读存储介质
CN104219013B (zh) * 2014-09-01 2017-05-24 厦门亿联网络技术股份有限公司 一种视频会议系统的多麦克风混音方法
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
US9659555B1 (en) * 2016-02-09 2017-05-23 Amazon Technologies, Inc. Multichannel acoustic echo cancellation
US9653060B1 (en) * 2016-02-09 2017-05-16 Amazon Technologies, Inc. Hybrid reference signal for acoustic echo cancellation
US10390136B2 (en) * 2016-12-13 2019-08-20 Yamaha Corporation Howling suppression device and howling suppression method
US11348595B2 (en) * 2017-01-04 2022-05-31 Blackberry Limited Voice interface and vocal entertainment system
US10367948B2 (en) 2017-01-13 2019-07-30 Shure Acquisition Holdings, Inc. Post-mixing acoustic echo cancellation systems and methods
GB2560878B (en) 2017-02-24 2021-10-27 Google Llc A panel loudspeaker controller and a panel loudspeaker
JP6833616B2 (ja) * 2017-05-29 2021-02-24 株式会社トランストロン エコー抑圧装置、エコー抑圧方法及びエコー抑圧プログラム
US10546581B1 (en) * 2017-09-08 2020-01-28 Amazon Technologies, Inc. Synchronization of inbound and outbound audio in a heterogeneous echo cancellation system
CN111213359B (zh) 2017-10-04 2021-09-10 主动音频有限公司 回声消除器和用于回声消除器的方法
CN107910012B (zh) * 2017-11-14 2020-07-03 腾讯音乐娱乐科技（深圳）有限公司 音频数据处理方法、装置及系统
US10522167B1 (en) * 2018-02-13 2019-12-31 Amazon Techonlogies, Inc. Multichannel noise cancellation using deep neural network masking
US11523212B2 (en) 2018-06-01 2022-12-06 Shure Acquisition Holdings, Inc. Pattern-forming microphone array
US11297423B2 (en) 2018-06-15 2022-04-05 Shure Acquisition Holdings, Inc. Endfire linear array microphone
CN109040499B (zh) * 2018-08-14 2020-12-01 西南交通大学 一种抗冲击干扰的自适应回声消除方法
KR20200024066A (ko) * 2018-08-27 2020-03-06 서강대학교산학협력단 스테레오 노이즈 제거 장치 및 스테레오 노이즈 제거 방법
US11310596B2 (en) 2018-09-20 2022-04-19 Shure Acquisition Holdings, Inc. Adjustable lobe shape for array microphones
DE102018127071B3 (de) 2018-10-30 2020-01-09 Harman Becker Automotive Systems Gmbh Audiosignalverarbeitung mit akustischer Echounterdrückung
US11094333B2 (en) * 2019-03-15 2021-08-17 Sogang University Research & Business Development Foundation Device and method for stereo noise cancellation
CN113841419B (zh) 2019-03-21 2024-11-12 舒尔获得控股公司 天花板阵列麦克风的外壳及相关联设计特征
CN118803494B (zh) 2019-03-21 2025-09-19 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
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
CN114051738B (zh) 2019-05-23 2024-10-01 舒尔获得控股公司 可操纵扬声器阵列、系统及其方法
CN114051637B (zh) 2019-05-31 2025-10-28 舒尔获得控股公司 集成语音及噪声活动检测的低延时自动混波器
CN114467312A (zh) 2019-08-23 2022-05-10 舒尔获得控股公司 具有改进方向性的二维麦克风阵列
US12028678B2 (en) 2019-11-01 2024-07-02 Shure Acquisition Holdings, Inc. Proximity microphone
CN111225317B (zh) * 2020-01-17 2021-04-13 四川长虹电器股份有限公司 一种回声消除方法
US11552611B2 (en) 2020-02-07 2023-01-10 Shure Acquisition Holdings, Inc. System and method for automatic adjustment of reference gain
USD944776S1 (en) 2020-05-05 2022-03-01 Shure Acquisition Holdings, Inc. Audio device
WO2021243368A2 (en) 2020-05-29 2021-12-02 Shure Acquisition Holdings, Inc. Transducer steering and configuration systems and methods using a local positioning system
WO2022120005A1 (en) 2020-12-03 2022-06-09 Dolby Laboratories Licensing Corporation Automatic localization of audio devices
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
US12452584B2 (en) 2021-01-29 2025-10-21 Shure Acquisition Holdings, Inc. Scalable conferencing systems and methods
US12542123B2 (en) 2021-08-31 2026-02-03 Shure Acquisition Holdings, Inc. Mask non-linear processor for acoustic echo cancellation
WO2023059655A1 (en) 2021-10-04 2023-04-13 Shure Acquisition Holdings, Inc. Networked automixer systems and methods
EP4427465A1 (en) 2021-11-05 2024-09-11 Shure Acquisition Holdings, Inc. Distributed algorithm for automixing speech over wireless networks
WO2023133513A1 (en) 2022-01-07 2023-07-13 Shure Acquisition Holdings, Inc. Audio beamforming with nulling control system and methods
KR102813972B1 (ko) 2023-09-22 2025-05-28 주식회사 마크노바 스피커 음향 신호 처리 시스템 및 방법

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5694474A (en) * 1995-09-18 1997-12-02 Interval Research Corporation Adaptive filter for signal processing and method therefor
US5761318A (en) * 1995-09-26 1998-06-02 Nippon Telegraph And Telephone Corporation Method and apparatus for multi-channel acoustic echo cancellation
US5978473A (en) * 1995-12-27 1999-11-02 Ericsson Inc. Gauging convergence of adaptive filters
US6785391B1 (en) * 1998-05-22 2004-08-31 Nippon Telegraph And Telephone Corporation Apparatus and method for simultaneous estimation of transfer characteristics of multiple linear transmission paths
EP1180300B1 (en) * 1999-05-25 2006-07-19 BRITISH TELECOMMUNICATIONS public limited company Acoustic echo cancellation
US7310425B1 (en) 1999-12-28 2007-12-18 Agere Systems Inc. Multi-channel frequency-domain adaptive filter method and apparatus
US7171003B1 (en) * 2000-10-19 2007-01-30 Lear Corporation Robust and reliable acoustic echo and noise cancellation system for cabin communication
US20020101982A1 (en) * 2001-01-30 2002-08-01 Hammam Elabd Line echo canceller scalable to multiple voice channels/ports
JP3628267B2 (ja) * 2001-02-27 2005-03-09 日本電信電話株式会社 多チャネル反響消去方法、その装置、そのプログラム及びその記録媒体
FR2824982B1 (fr) 2001-05-16 2003-07-04 France Telecom Procede de controle adaptatif de systeme d'annulation d'echo multivoies et dispositif pour mettre en oeuvre le procede
JP3756828B2 (ja) * 2002-02-25 2006-03-15 日本電信電話株式会社 反響消去方法、この方法を実施する装置、プログラムおよびその記録媒体
US7333605B1 (en) 2002-04-27 2008-02-19 Fortemedia, Inc. Acoustic echo cancellation with adaptive step size and stability control
US7627111B2 (en) * 2002-11-25 2009-12-01 Intel Corporation Noise matching for echo cancellers
CN100568884C (zh) * 2003-06-27 2009-12-09 诺基亚有限公司 使用残余回声滤波器增强声音回声消除系统和方法
JP4159967B2 (ja) * 2003-10-28 2008-10-01 日本電信電話株式会社 多チャネル音響エコー消去方法及び装置
US7031461B2 (en) * 2004-01-12 2006-04-18 Acoustic Technologies, Inc. Robust adaptive filter for echo cancellation
NO328256B1 (no) * 2004-12-29 2010-01-18 Tandberg Telecom As Audiosystem
US20090046866A1 (en) * 2007-08-15 2009-02-19 Fortemedia, Inc. Apparatus capable of performing acoustic echo cancellation and a method thereof

Also Published As

Publication number Publication date
KR20120028347A (ko) 2012-03-22
CN102461205A (zh) 2012-05-16
WO2010140084A1 (en) 2010-12-09
RU2546717C2 (ru) 2015-04-10
RU2011153752A (ru) 2013-07-20
US20120063609A1 (en) 2012-03-15
EP2438766B1 (en) 2015-05-06
BRPI1008266B1 (pt) 2020-08-04
JP2012529211A (ja) 2012-11-15
JP5451876B2 (ja) 2014-03-26
CN102461205B (zh) 2014-12-24
KR101676393B1 (ko) 2016-11-29
US9008327B2 (en) 2015-04-14
EP2438766A1 (en) 2012-04-11

Similar Documents

Publication Publication Date Title
BRPI1008266A2 (pt) disposição canceladora de eco acustico de múltiplos canais e método de cancelamento de eco acústico de múltiplos canais
BRPI1011667A2 (pt) transdutor melhorado de ultra-som
BRPI0910982A2 (pt) painel de isolamento acústico
EP2472765C0 (en) Improvements to listening capability for reference signals
DK2338287T3 (da) Transducersystem
BRPI0912585A2 (pt) compósito acústico
EP2148524A4 (en) ELECTROACOUSTIC TRANSDUCER
DK2277021T3 (da) Acoustic holography
EP2206359A4 (en) ACOUSTIC TRANSFORMER
EP2414031A4 (en) Sanitary retainer
EP2384019A4 (en) MICROPHONE UNIT
DK2144498T3 (da) Akustisk bortskræmning
BRPI0924904A2 (pt) cancelamento de ruído dsl
BR112012001022A2 (pt) seleção entre técnicas de estimativa de vários canais
BRPI0920481A2 (pt) dispositivo transdutor acústico, microfone e transdutor
GB0811015D0 (en) Improved acoustic device
IT1393670B1 (it) Dispositivo di timbratura
GB2466748B (en) Electromagnetic acoustic transducer with cross-talk elimination
EP2299590A4 (en) ACOUSTIC TREATMENT DEVICE
DE602008005054D1 (de) Ultraschallsystem
GB0621779D0 (en) An acoustic arrangement
NO20093389A (no) Lyddemper
FR2947235B1 (fr) Agencement de connexion
BRPI0816220A2 (pt) Disposição de atenuação sonora
BRPI0917279A2 (pt) disposição e método para comunicação de sinais de aúdio e cc

Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: KONINKLIJKE PHILIPS N.V. (NL)

B25G Requested change of headquarter approved

Owner name: KONINKLIJKE PHILIPS N.V. (NL)

B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B25A Requested transfer of rights approved

Owner name: MEDIATEK INC. (TW)

B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 04/08/2020, OBSERVADAS AS CONDICOES LEGAIS.