JP4409755B2 - 能動騒音制御装置 - Google Patents

能動騒音制御装置 Download PDF

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Publication number
JP4409755B2
JP4409755B2 JP2000381490A JP2000381490A JP4409755B2 JP 4409755 B2 JP4409755 B2 JP 4409755B2 JP 2000381490 A JP2000381490 A JP 2000381490A JP 2000381490 A JP2000381490 A JP 2000381490A JP 4409755 B2 JP4409755 B2 JP 4409755B2
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JP
Japan
Prior art keywords
noise
duct
rectifying
adder
error
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.)
Expired - Lifetime
Application number
JP2000381490A
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English (en)
Japanese (ja)
Other versions
JP2002186085A5 (enExample
JP2002186085A (ja
Inventor
勲 角張
賢一 寺井
裕之 橋本
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2000381490A priority Critical patent/JP4409755B2/ja
Priority to EP01128925.3A priority patent/EP1223572B1/en
Priority to US10/007,674 priority patent/US7158644B2/en
Publication of JP2002186085A publication Critical patent/JP2002186085A/ja
Publication of JP2002186085A5 publication Critical patent/JP2002186085A5/ja
Application granted granted Critical
Publication of JP4409755B2 publication Critical patent/JP4409755B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G10K11/17821—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 input signals only
    • G10K11/17825—Error signals
    • 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
    • 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
    • G10K11/17821—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 input signals only
    • G10K11/17823—Reference signals, e.g. ambient acoustic environment
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Duct Arrangements (AREA)
  • Pipe Accessories (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP2000381490A 2000-12-15 2000-12-15 能動騒音制御装置 Expired - Lifetime JP4409755B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000381490A JP4409755B2 (ja) 2000-12-15 2000-12-15 能動騒音制御装置
EP01128925.3A EP1223572B1 (en) 2000-12-15 2001-12-05 Active noise control system
US10/007,674 US7158644B2 (en) 2000-12-15 2001-12-10 Active noise control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000381490A JP4409755B2 (ja) 2000-12-15 2000-12-15 能動騒音制御装置

Publications (3)

Publication Number Publication Date
JP2002186085A JP2002186085A (ja) 2002-06-28
JP2002186085A5 JP2002186085A5 (enExample) 2007-12-20
JP4409755B2 true JP4409755B2 (ja) 2010-02-03

Family

ID=18849473

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000381490A Expired - Lifetime JP4409755B2 (ja) 2000-12-15 2000-12-15 能動騒音制御装置

Country Status (3)

Country Link
US (1) US7158644B2 (enExample)
EP (1) EP1223572B1 (enExample)
JP (1) JP4409755B2 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL121555A (en) * 1997-08-14 2008-07-08 Silentium Ltd Active acoustic noise reduction system
US7853024B2 (en) * 1997-08-14 2010-12-14 Silentium Ltd. Active noise control system and method
US7687036B2 (en) * 2003-09-08 2010-03-30 Sharp Kabushiki Kaisha Ion diffusing
US8855329B2 (en) * 2007-01-22 2014-10-07 Silentium Ltd. Quiet fan incorporating active noise control (ANC)
WO2008126287A1 (ja) * 2007-03-30 2008-10-23 Fujitsu Limited 能動消音装置および能動消音方法
US20100002385A1 (en) * 2008-07-03 2010-01-07 Geoff Lyon Electronic device having active noise control and a port ending with curved lips
US8165311B2 (en) * 2009-04-06 2012-04-24 International Business Machines Corporation Airflow optimization and noise reduction in computer systems
US9928824B2 (en) 2011-05-11 2018-03-27 Silentium Ltd. Apparatus, system and method of controlling noise within a noise-controlled volume
EP2707871B1 (en) 2011-05-11 2020-09-09 Silentium Ltd. System and method of noise control
JP2015079028A (ja) * 2012-02-03 2015-04-23 三菱電機株式会社 能動騒音制御装置
US9286882B1 (en) 2012-03-07 2016-03-15 Great Lakes Sound & Vibration, Inc. Systems and methods for active exhaust noise cancellation
US10061332B2 (en) * 2014-07-14 2018-08-28 Dell Products, Lp Active acoustic control of cooling fan and method therefor
CN106469551A (zh) * 2015-08-19 2017-03-01 中兴通讯股份有限公司 一种管道降噪系统及方法
DE102017200822A1 (de) * 2017-01-19 2018-07-19 Bayerische Motoren Werke Aktiengesellschaft Belüftungseinrichtung für einen Innenraum eines Kraftwagens und Verfahren zum Betrieb einer solchen Belüftungseinrichtung
JP6880848B2 (ja) * 2017-03-10 2021-06-02 富士通株式会社 マイクロ波照射装置、排気浄化装置、自動車及び管理システム
CN112912953B (zh) * 2018-10-19 2023-11-10 富士胶片株式会社 隔音系统
JP2023060750A (ja) * 2021-10-18 2023-04-28 株式会社マキタ 作業機
CN113998142B (zh) * 2021-11-16 2024-03-08 中国商用飞机有限责任公司 飞机座舱空调管路的噪声复现系统及其方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821999A (en) * 1972-09-05 1974-07-02 Mc Donnell Douglas Corp Acoustic liner
JPS621156A (ja) 1985-06-26 1987-01-07 Hitachi Plant Eng & Constr Co Ltd 電子消音システム
JPS61296392A (ja) 1985-06-26 1986-12-27 日立プラント建設株式会社 電子消音システム
JPS62206212A (ja) 1986-03-05 1987-09-10 Mitsubishi Heavy Ind Ltd アクテイブサイレンサ
US5175401A (en) * 1991-03-18 1992-12-29 Grumman Aerospace Corporation Segmented resistance acoustic attenuating liner
US5216722A (en) * 1991-11-15 1993-06-01 Nelson Industries, Inc. Multi-channel active attenuation system with error signal inputs
JPH05188976A (ja) * 1992-01-16 1993-07-30 Toshiba Corp 能動騒音制御装置
EP0552400A1 (en) * 1992-01-24 1993-07-28 Eldim, Inc. Sound absorbing corrugated structural material
JP3340496B2 (ja) * 1993-03-09 2002-11-05 富士通株式会社 アクティブ騒音制御システムの伝達特性の推定方法
JP2750084B2 (ja) * 1993-05-19 1998-05-13 三星電子株式会社 真空掃除機の騒音制御装置
US5689572A (en) * 1993-12-08 1997-11-18 Hitachi, Ltd. Method of actively controlling noise, and apparatus thereof
US5606622A (en) * 1994-09-29 1997-02-25 The Boeing Company Active noise control in a duct with highly turbulent airflow
US6201872B1 (en) * 1995-03-12 2001-03-13 Hersh Acoustical Engineering, Inc. Active control source cancellation and active control Helmholtz resonator absorption of axial fan rotor-stator interaction noise
WO1997002560A1 (en) * 1995-07-05 1997-01-23 Alumax Inc. Method and apparatus for active noise control of high order modes in ducts
JPH0989356A (ja) 1995-09-25 1997-04-04 Fujitsu Ltd 騒音低減方法
FR2740599B1 (fr) * 1995-10-30 1997-12-19 Technofirst Dispositif d'attenuation acoustique active destine a etre dispose a l'interieur d'un conduit, en particulier pour l'insonorisation de reseau de ventilation et/ou de climatisation
JPH1039877A (ja) 1996-07-24 1998-02-13 Kubota Corp 包囲型エンジンの騒音低減装置
JPH1039878A (ja) 1996-07-24 1998-02-13 Kubota Corp 包囲型エンジンの騒音低減装置
US6782109B2 (en) * 2000-04-04 2004-08-24 University Of Florida Electromechanical acoustic liner

Also Published As

Publication number Publication date
US20020080978A1 (en) 2002-06-27
EP1223572A2 (en) 2002-07-17
US7158644B2 (en) 2007-01-02
EP1223572B1 (en) 2013-05-01
EP1223572A3 (en) 2007-09-26
JP2002186085A (ja) 2002-06-28

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