CN107257524B - 主动降噪系统 - Google Patents

主动降噪系统 Download PDF

Info

Publication number
CN107257524B
CN107257524B CN201710351481.4A CN201710351481A CN107257524B CN 107257524 B CN107257524 B CN 107257524B CN 201710351481 A CN201710351481 A CN 201710351481A CN 107257524 B CN107257524 B CN 107257524B
Authority
CN
China
Prior art keywords
filter
noise reduction
microphone
active
active noise
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.)
Active
Application number
CN201710351481.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN107257524A (zh
Inventor
M.克里斯托夫
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.)
Harman Becker Automotive Systems GmbH
Original Assignee
Harman Becker Automotive Systems GmbH
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 Systems GmbH filed Critical Harman Becker Automotive Systems GmbH
Publication of CN107257524A publication Critical patent/CN107257524A/zh
Application granted granted Critical
Publication of CN107257524B publication Critical patent/CN107257524B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17813—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
    • G10K11/17815—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms between the reference signals and the error signals, i.e. primary path
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17813—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
    • G10K11/17817—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms between the output signals and the error signals, i.e. secondary path
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3026—Feedback
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3027—Feedforward
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3028—Filtering, e.g. Kalman filters or special analogue or digital filters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/50—Miscellaneous
    • G10K2210/509—Hybrid, i.e. combining different technologies, e.g. passive and active
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/01—Noise reduction using microphones having different directional characteristics

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
CN201710351481.4A 2012-05-21 2013-05-21 主动降噪系统 Active CN107257524B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12168685.1 2012-05-21
EP12168685.1A EP2667379B1 (en) 2012-05-21 2012-05-21 Active noise reduction
CN201310194999.3A CN103428608B (zh) 2012-05-21 2013-05-21 主动降噪

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201310194999.3A Division CN103428608B (zh) 2012-05-21 2013-05-21 主动降噪

Publications (2)

Publication Number Publication Date
CN107257524A CN107257524A (zh) 2017-10-17
CN107257524B true CN107257524B (zh) 2020-09-01

Family

ID=46146731

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201710351481.4A Active CN107257524B (zh) 2012-05-21 2013-05-21 主动降噪系统
CN201310194999.3A Active CN103428608B (zh) 2012-05-21 2013-05-21 主动降噪

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201310194999.3A Active CN103428608B (zh) 2012-05-21 2013-05-21 主动降噪

Country Status (4)

Country Link
US (2) US9583090B2 (https=)
EP (1) EP2667379B1 (https=)
JP (2) JP6169871B2 (https=)
CN (2) CN107257524B (https=)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2667379B1 (en) * 2012-05-21 2018-07-25 Harman Becker Automotive Systems GmbH Active noise reduction
CN103888876B (zh) * 2014-03-31 2018-05-08 深圳市冠旭电子股份有限公司 一种耳机噪音处理电路及耳机
WO2015180179A1 (zh) * 2014-05-30 2015-12-03 华为技术有限公司 一种对主动降噪耳机供电的方法、装置及系统
US9684292B1 (en) * 2014-09-05 2017-06-20 Textron Innovations Inc. Conditional switch rate low pass filter
EP3091750B1 (en) 2015-05-08 2019-10-02 Harman Becker Automotive Systems GmbH Active noise reduction in headphones
US9666175B2 (en) * 2015-07-01 2017-05-30 zPillow, Inc. Noise cancelation system and techniques
EP3182722B1 (en) * 2015-12-16 2020-12-09 Harman Becker Automotive Systems GmbH Active noise control in a helmet
EP3185241B1 (en) * 2015-12-23 2020-02-05 Harman Becker Automotive Systems GmbH Externally coupled loudspeaker system
CN109155895B (zh) * 2016-04-20 2021-03-16 珍尼雷克公司 有源监听耳机及用于正则化其反演的方法
CN106254989A (zh) * 2016-08-31 2016-12-21 宁波浙大电子有限公司 一种降噪耳机及其降噪方法
BE1024535B1 (fr) * 2016-09-05 2018-04-04 Safran Aero Boosters S.A. Banc d'essai de turbomachine avec contrôle actif du bruit
CN106658255A (zh) * 2016-10-21 2017-05-10 声源科技（深圳）有限公司 一种降噪耳机的滤波器电路
CN106652994B (zh) * 2016-11-30 2021-01-26 深圳天珑无线科技有限公司 一种实现主动降噪的终端配件及终端组件
CN106839386B (zh) * 2017-01-22 2020-07-03 会听声学科技（北京）有限公司 一种用于塔式空气净化器的主动降噪系统及方法
KR101758708B1 (ko) * 2017-04-03 2017-07-18 포항공과대학교 산학협력단 3-레벨의 디지털 신호를 사용하는 액티브 노이즈 감소 이어폰
US10778089B2 (en) * 2017-04-07 2020-09-15 Texas Instruments Incorporated Cascaded active electro-magnetic interference filter
CN111656800B (zh) 2018-01-24 2022-10-04 哈曼贝克自动系统股份有限公司 用于生成自然的定向耳廓提示的头戴式耳机装置
CN108419175A (zh) * 2018-01-31 2018-08-17 深圳市天微电子股份有限公司 有源降噪电路及耳机
CN108156551A (zh) * 2018-02-09 2018-06-12 会听声学科技（北京）有限公司 主动降噪系统、主动降噪耳机及主动降噪方法
CN108540895B (zh) * 2018-07-17 2019-11-08 会听声学科技（北京）有限公司 智能均衡器设计方法及具有智能均衡器的降噪耳机
JP6982556B2 (ja) * 2018-08-14 2021-12-17 株式会社奥村組 アクティブノイズコントロールシステム
WO2020052759A1 (en) * 2018-09-13 2020-03-19 Harman Becker Automotive Systems Gmbh Silent zone generation
CN109830225A (zh) * 2019-03-26 2019-05-31 深圳万拓科技创新有限公司 一种降低无人机桨叶旋转噪声的方法及系统
US11601045B2 (en) 2019-04-01 2023-03-07 Texas Instruments Incorporated Active electromagnetic interference filter with damping network
EP3828879B1 (en) * 2019-11-28 2025-02-26 ams AG Noise cancellation system and signal processing method for an ear-mountable playback device
AU2019477919B2 (en) 2019-12-12 2023-09-14 Shenzhen Shokz Co., Ltd. Systems and methods for noise control
CN114201819B (zh) * 2021-12-06 2024-01-12 南京航空航天大学 一种融合声阵列和在桨控制的直升机主动噪声抑制装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101184346A (zh) * 2006-11-13 2008-05-21 索尼株式会社 噪声消除滤波电路、噪声降低信号生成方法和噪声消除系统
CN102460566A (zh) * 2009-04-28 2012-05-16 伯斯有限公司 Anr信号处理增强

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54110762A (en) * 1978-02-20 1979-08-30 Hiromichi Watanabe Method of forming variable active rc filter circuit
JPS5840935A (ja) * 1981-09-03 1983-03-10 Fujitsu Ten Ltd 高周波同調回路
US4801890A (en) * 1985-06-17 1989-01-31 Dolby Ray Milton Circuit arrangements for modifying dynamic range using variable combining techniques
JPH03274895A (ja) * 1990-03-24 1991-12-05 Calsonic Corp アクティブ・ノイズ・キャンセラー
JPH04150513A (ja) * 1990-10-15 1992-05-25 Sony Corp フィルタ回路
JPH0575382A (ja) * 1991-09-12 1993-03-26 Matsushita Electric Ind Co Ltd バンドパスフイルタ
JP2767389B2 (ja) * 1994-11-08 1998-06-18 ローム株式会社 イコライザおよびこれを用いるオーディオ装置
JPH11305784A (ja) 1998-04-24 1999-11-05 Matsushita Electric Ind Co Ltd 騒音制御装置
US6996241B2 (en) * 2001-06-22 2006-02-07 Trustees Of Dartmouth College Tuned feedforward LMS filter with feedback control
DE10143933A1 (de) * 2001-09-07 2003-04-03 Becker Gmbh 8 Entzerreranordnung
JP2007500466A (ja) 2003-07-28 2007-01-11 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 音声調整装置、方法及びコンピュータプログラム
JP2005257720A (ja) 2004-03-09 2005-09-22 Matsushita Electric Ind Co Ltd 能動騒音制御装置
US20110293101A1 (en) 2006-12-15 2011-12-01 Bin Xu M-bridge class-d audio amplifier
WO2009041012A1 (ja) * 2007-09-28 2009-04-02 Dimagic Co., Ltd. ノイズ制御システム
GB2456501B (en) 2007-11-13 2009-12-23 Wolfson Microelectronics Plc Ambient noise-reduction system
EP2133866B1 (en) 2008-06-13 2016-02-17 Harman Becker Automotive Systems GmbH Adaptive noise control system
US8693699B2 (en) 2008-07-29 2014-04-08 Dolby Laboratories Licensing Corporation Method for adaptive control and equalization of electroacoustic channels
US9202455B2 (en) * 2008-11-24 2015-12-01 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for enhanced active noise cancellation
MY151403A (en) * 2008-12-04 2014-05-30 Sony Emcs Malaysia Sdn Bhd Noise cancelling headphone
US8737636B2 (en) 2009-07-10 2014-05-27 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive active noise cancellation
US9818394B2 (en) 2009-11-30 2017-11-14 Graeme Colin Fuller Realisation of controller transfer function for active noise cancellation
US8600069B2 (en) 2010-03-26 2013-12-03 Ford Global Technologies, Llc Multi-channel active noise control system with channel equalization
US9053697B2 (en) * 2010-06-01 2015-06-09 Qualcomm Incorporated Systems, methods, devices, apparatus, and computer program products for audio equalization
US8909524B2 (en) 2011-06-07 2014-12-09 Analog Devices, Inc. Adaptive active noise canceling for handset
EP2667379B1 (en) * 2012-05-21 2018-07-25 Harman Becker Automotive Systems GmbH Active noise reduction

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101184346A (zh) * 2006-11-13 2008-05-21 索尼株式会社 噪声消除滤波电路、噪声降低信号生成方法和噪声消除系统
CN102460566A (zh) * 2009-04-28 2012-05-16 伯斯有限公司 Anr信号处理增强

Also Published As

Publication number Publication date
US20130308785A1 (en) 2013-11-21
CN103428608A (zh) 2013-12-04
JP6196255B2 (ja) 2017-09-13
EP2667379B1 (en) 2018-07-25
US20170162184A1 (en) 2017-06-08
US10325586B2 (en) 2019-06-18
CN107257524A (zh) 2017-10-17
JP2013242532A (ja) 2013-12-05
US9583090B2 (en) 2017-02-28
CN103428608B (zh) 2017-09-01
EP2667379A1 (en) 2013-11-27
JP6169871B2 (ja) 2017-07-26
JP2015159562A (ja) 2015-09-03

Similar Documents

Publication Publication Date Title
CN107257524B (zh) 主动降噪系统
US10056066B2 (en) Active noise reduction
JPH0752994B2 (ja) スピーカー駆動装置
Self The Design of Active Crossovers
RU2701095C1 (ru) Низкочувствительный полосовой фильтр с независимой подстройкой основных параметров
US5258713A (en) Impedance generator for a telephone line interface circuit
US9722560B2 (en) Filter with independently adjustable band gain and break point slopes and method of constructing same
US5282252A (en) Audio equalizer providing reciprocal equalization plus infinite-depth notch
US7085389B1 (en) Infinite slope loudspeaker crossover filter
US12462784B2 (en) Audio processing device
US20250210027A1 (en) Noise cancelling system
JP2605280B2 (ja) トーンコントロール回路
Semenov et al. Multi-band graphic equaliser based on gyrators
JPH07303027A (ja) 調整可能な振幅−周波数応答を有する回路装置
CN116913239A (zh) 用以产生抗噪信号的主动降噪电路以及主动降噪方法
Nowrouzian et al. A novel approach to the exact design of first-and second-order Bode-type variable-amplitude bilinear-LDI switched-capacitor equalizers
JPS5879316A (ja) 周波数特性調整装置

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant