WO2009037733A1 - 能動消音装置および能動消音装置の制御方法 - Google Patents

能動消音装置および能動消音装置の制御方法 Download PDF

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Publication number
WO2009037733A1
WO2009037733A1 PCT/JP2007/001033 JP2007001033W WO2009037733A1 WO 2009037733 A1 WO2009037733 A1 WO 2009037733A1 JP 2007001033 W JP2007001033 W JP 2007001033W WO 2009037733 A1 WO2009037733 A1 WO 2009037733A1
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WO
WIPO (PCT)
Prior art keywords
noise
signal
remaining
bands
active silencer
Prior art date
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Ceased
Application number
PCT/JP2007/001033
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English (en)
French (fr)
Inventor
Taro Togawa
Takeshi Otani
Kaori Endo
Yasuji Ota
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Fujitsu Ltd
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Fujitsu Ltd
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Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to EP07827812.4A priority Critical patent/EP2189975A4/en
Priority to JP2009532969A priority patent/JP4973733B2/ja
Priority to PCT/JP2007/001033 priority patent/WO2009037733A1/ja
Priority to CN2007801006427A priority patent/CN101802905B/zh
Publication of WO2009037733A1 publication Critical patent/WO2009037733A1/ja
Priority to US12/724,237 priority patent/US8189800B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • 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
    • G10K11/1781—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
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
    • F01N1/065—Silencing apparatus characterised by method of silencing by using interference effect by using an active noise source, e.g. speakers
    • 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
    • G10K2210/12—Rooms, e.g. ANC inside a room, office, concert hall or automobile cabin
    • 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
    • G10K2210/128—Vehicles
    • G10K2210/1282—Automobiles
    • 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
    • G10K2210/3025—Determination of spectrum characteristics, e.g. FFT
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)

Abstract

　本発明の能動消音装置は、騒音と干渉する制御音を発生するスピーカと、前記干渉後に残る騒音を残留騒音信号として検出するマイクと、前記残留騒音の音質を評価して音質評価結果を出力する音質評価部と、前記音質評価結果に応じて、前記騒音に対応する参照信号の複数の帯域に対応する、前記残留騒音の複数の帯域に対して、どのタイミングで検出した残留騒音信号の周波数成分を前記制御音を生成するときに使用するかを決定する動作信号決定部と、決定された残留騒音信号の複数の帯域と、前記騒音に対応する参照信号の複数の帯域とに基づいて、前記制御音を生成するための制御信号を生成して出力する制御信号生成部と、を備える。
PCT/JP2007/001033 2007-09-21 2007-09-21 能動消音装置および能動消音装置の制御方法 Ceased WO2009037733A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP07827812.4A EP2189975A4 (en) 2007-09-21 2007-09-21 ACTIVE SILENCER AND METHOD FOR CONTROLLING AN ACTIVE SILENCER
JP2009532969A JP4973733B2 (ja) 2007-09-21 2007-09-21 能動消音装置および能動消音装置の制御方法
PCT/JP2007/001033 WO2009037733A1 (ja) 2007-09-21 2007-09-21 能動消音装置および能動消音装置の制御方法
CN2007801006427A CN101802905B (zh) 2007-09-21 2007-09-21 有源消声装置以及有源消声装置的控制方法
US12/724,237 US8189800B2 (en) 2007-09-21 2010-03-15 Active silencer and method for controlling active silencer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/001033 WO2009037733A1 (ja) 2007-09-21 2007-09-21 能動消音装置および能動消音装置の制御方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/724,237 Continuation US8189800B2 (en) 2007-09-21 2010-03-15 Active silencer and method for controlling active silencer

Publications (1)

Publication Number Publication Date
WO2009037733A1 true WO2009037733A1 (ja) 2009-03-26

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PCT/JP2007/001033 Ceased WO2009037733A1 (ja) 2007-09-21 2007-09-21 能動消音装置および能動消音装置の制御方法

Country Status (5)

Country Link
US (1) US8189800B2 (ja)
EP (1) EP2189975A4 (ja)
JP (1) JP4973733B2 (ja)
CN (1) CN101802905B (ja)
WO (1) WO2009037733A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013103517A (ja) * 2011-11-10 2013-05-30 Honda Motor Co Ltd 能動型振動騒音制御装置

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012023637A (ja) * 2010-07-15 2012-02-02 Audio Technica Corp ノイズキャンセルヘッドホン
US9462370B2 (en) 2012-02-08 2016-10-04 Kyushu Institute Of Technology Muting device
DE102012212843A1 (de) * 2012-07-23 2014-01-23 Behr Gmbh & Co. Kg Klimagerät
US10575093B2 (en) 2013-03-15 2020-02-25 Elwha Llc Portable electronic device directed audio emitter arrangement system and method
US9886941B2 (en) 2013-03-15 2018-02-06 Elwha Llc Portable electronic device directed audio targeted user system and method
US10531190B2 (en) * 2013-03-15 2020-01-07 Elwha Llc Portable electronic device directed audio system and method
US10291983B2 (en) 2013-03-15 2019-05-14 Elwha Llc Portable electronic device directed audio system and method
US10181314B2 (en) 2013-03-15 2019-01-15 Elwha Llc Portable electronic device directed audio targeted multiple user system and method
CN104244123B (zh) * 2013-06-21 2019-01-01 Akg声学有限公司 用于主动噪声抑制的耳机及方法
US9191050B1 (en) * 2014-08-21 2015-11-17 Qualcomm Incorporated Multi-layer coefficient control for dynamic interference cancellation
CN105278452B (zh) * 2015-10-16 2018-06-26 厦门金鹭特种合金有限公司 一种用于金属切削的数控加工中心的主动式降噪方法
JP6671036B2 (ja) * 2016-07-05 2020-03-25 パナソニックＩｐマネジメント株式会社 騒音低減装置、移動体装置、及び、騒音低減方法
CN106251856B (zh) * 2016-07-26 2021-03-09 Tcl通讯科技（成都）有限公司 一种基于移动终端的环境噪声消除系统及方法
US10037755B2 (en) * 2016-11-25 2018-07-31 Signal Processing, Inc. Method and system for active noise reduction
KR101902122B1 (ko) * 2017-06-29 2018-11-08 순천대학교 산학협력단 잔류소음에 대한 청감을 개선하는 능동적 소음 제거 방법 및 시스템
WO2019152241A1 (en) * 2018-02-02 2019-08-08 Gentherm Inc. Active noise cancellation system for reducing noise generated by climate control system
IT201900005116A1 (it) * 2019-04-04 2020-10-04 Lavorosostenibile Srl Dispositivo di attenuazione attiva e controllo del rumore
CN113390655B (zh) * 2021-06-09 2022-04-08 中车株洲电力机车有限公司 一种适用于城轨车辆的主动降噪效果评价方法
CN116052629B (zh) * 2023-01-04 2025-08-08 东风柳州汽车有限公司 噪声主动控制方法、装置、设备及存储介质
CN116704997A (zh) * 2023-07-12 2023-09-05 广东电网有限责任公司广州供电局 有调声消除方法、装置、电子装置和噪声消除系统
US20250225974A1 (en) * 2024-01-05 2025-07-10 Bose Corporation Systems and methods for adjusting harmonic cancellation
CN118748003B (zh) * 2024-08-08 2025-12-02 宁波方太厨具有限公司 主动降噪系统及其控制方法、异音检测方法、装置
CN119832888B (zh) * 2024-12-30 2025-11-11 北京绿创声学工程股份有限公司 一种基于降噪技术的主动隔振方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02216906A (ja) * 1989-02-16 1990-08-29 Toshiba Corp ノイズキャンセラ
JPH05218805A (ja) * 1992-01-31 1993-08-27 Sony Corp 適応処理装置
JPH06350466A (ja) * 1993-06-08 1994-12-22 Matsushita Electric Ind Co Ltd 雑音抑圧装置
JP2517150B2 (ja) 1990-03-30 1996-07-24 松下電器産業株式会社 消音装置
JPH10190589A (ja) * 1996-12-17 1998-07-21 Texas Instr Inc <Ti> 適応ノイズ制御システムおよびオンラインフィードバック経路モデル化およびオンライン２次経路モデル化方法
JP2872545B2 (ja) 1993-09-14 1999-03-17 松下電器産業株式会社 消音装置
JP2002369281A (ja) * 2001-06-07 2002-12-20 Matsushita Electric Ind Co Ltd 音質音量制御装置
JP2005303681A (ja) * 2004-04-12 2005-10-27 Sony Corp ノイズ低減方法及び装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5293578A (en) * 1989-07-19 1994-03-08 Fujitso Ten Limited Noise reducing device
JPH0727391B2 (ja) * 1989-07-19 1995-03-29 富士通テン株式会社 雑音低減装置
US5410606A (en) * 1992-07-21 1995-04-25 Honda Giken Kogyo Kabushiki Kaisha Noise canceling method
CA2125220C (en) * 1993-06-08 2000-08-15 Joji Kane Noise suppressing apparatus capable of preventing deterioration in high frequency signal characteristic after noise suppression and in balanced signal transmitting system
JP3617079B2 (ja) 1994-08-29 2005-02-02 日産自動車株式会社 能動型騒音制御装置及び能動型振動制御装置
US6097823A (en) * 1996-12-17 2000-08-01 Texas Instruments Incorporated Digital hearing aid and method for feedback path modeling
US5991418A (en) * 1996-12-17 1999-11-23 Texas Instruments Incorporated Off-line path modeling circuitry and method for off-line feedback path modeling and off-line secondary path modeling
US6418227B1 (en) * 1996-12-17 2002-07-09 Texas Instruments Incorporated Active noise control system and method for on-line feedback path modeling
US6198828B1 (en) * 1996-12-17 2001-03-06 Texas Instruments Incorporated Off-line feedback path modeling circuitry and method for off-line feedback path modeling
JPH11259078A (ja) * 1998-03-16 1999-09-24 Oki Electric Ind Co Ltd 能動騒音制御装置
JP3675179B2 (ja) * 1998-07-17 2005-07-27 三菱電機株式会社 オーディオ信号の雑音除去装置
JP3837685B2 (ja) * 1998-10-07 2006-10-25 富士通株式会社 能動雑音制御方法及び受話装置
JP3800147B2 (ja) * 2002-08-07 2006-07-26 ソニー株式会社 カメラ一体型記録装置の適応ノイズ低減方法
CN1538718A (zh) * 2003-04-18 2004-10-20 摩托罗拉公司 主动话音抵消的方法和系统
JP4790843B2 (ja) * 2007-03-30 2011-10-12 富士通株式会社 能動消音装置および能動消音方法
JP5707663B2 (ja) * 2008-04-18 2015-04-30 富士通株式会社 能動消音装置
JP2010249939A (ja) * 2009-04-13 2010-11-04 Sony Corp ノイズ低減装置、ノイズ判定方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02216906A (ja) * 1989-02-16 1990-08-29 Toshiba Corp ノイズキャンセラ
JP2517150B2 (ja) 1990-03-30 1996-07-24 松下電器産業株式会社 消音装置
JPH05218805A (ja) * 1992-01-31 1993-08-27 Sony Corp 適応処理装置
JPH06350466A (ja) * 1993-06-08 1994-12-22 Matsushita Electric Ind Co Ltd 雑音抑圧装置
JP2872545B2 (ja) 1993-09-14 1999-03-17 松下電器産業株式会社 消音装置
JPH10190589A (ja) * 1996-12-17 1998-07-21 Texas Instr Inc <Ti> 適応ノイズ制御システムおよびオンラインフィードバック経路モデル化およびオンライン２次経路モデル化方法
JP2002369281A (ja) * 2001-06-07 2002-12-20 Matsushita Electric Ind Co Ltd 音質音量制御装置
JP2005303681A (ja) * 2004-04-12 2005-10-27 Sony Corp ノイズ低減方法及び装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2189975A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013103517A (ja) * 2011-11-10 2013-05-30 Honda Motor Co Ltd 能動型振動騒音制御装置

Also Published As

Publication number Publication date
JP4973733B2 (ja) 2012-07-11
CN101802905A (zh) 2010-08-11
US20100172511A1 (en) 2010-07-08
EP2189975A4 (en) 2015-04-15
CN101802905B (zh) 2012-09-26
EP2189975A1 (en) 2010-05-26
JPWO2009037733A1 (ja) 2010-12-24
US8189800B2 (en) 2012-05-29

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