WO2003030147A1 - Noise reduction apparatus - Google Patents
Noise reduction apparatus Download PDFInfo
- Publication number
- WO2003030147A1 WO2003030147A1 PCT/JP2002/009952 JP0209952W WO03030147A1 WO 2003030147 A1 WO2003030147 A1 WO 2003030147A1 JP 0209952 W JP0209952 W JP 0209952W WO 03030147 A1 WO03030147 A1 WO 03030147A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- sound
- vicinity
- microphone
- output
- Prior art date
Links
- 230000000694 effects Effects 0.000 abstract 1
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
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
- G10K11/17813—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
- G10K11/17813—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
- G10K11/17819—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 reference signals, e.g. to prevent howling
-
- 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
- G10K11/1785—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
- G10K11/1785—Methods, e.g. algorithms; Devices
- G10K11/17857—Geometric disposition, e.g. placement of microphones
-
- 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
- G10K11/17861—Methods, e.g. algorithms; Devices using additional means for damping sound, e.g. using sound absorbing panels
-
- 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
- G10K2210/12—Rooms, e.g. ANC inside a room, office, concert hall or automobile cabin
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Exhaust Silencers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001304261A JP3615172B2 (ja) | 2001-09-28 | 2001-09-28 | 騒音低減装置及びそのフィルタ係数設定方法 |
JP2001-304261 | 2001-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003030147A1 true WO2003030147A1 (en) | 2003-04-10 |
Family
ID=19124207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/009952 WO2003030147A1 (en) | 2001-09-28 | 2002-09-26 | Noise reduction apparatus |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP3615172B2 (ja) |
WO (1) | WO2003030147A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115262439A (zh) * | 2022-06-15 | 2022-11-01 | 浙江高信技术股份有限公司 | 一种降噪护栏及用于城市快速路的主动降噪屏障 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004361938A (ja) | 2003-05-15 | 2004-12-24 | Takenaka Komuten Co Ltd | 騒音低減装置 |
JP2006072197A (ja) * | 2004-09-06 | 2006-03-16 | Kajima Corp | 能動消音装置付き遮音壁 |
JP2006138130A (ja) * | 2004-11-12 | 2006-06-01 | Takenaka Komuten Co Ltd | 騒音低減装置 |
JP4718161B2 (ja) * | 2004-11-12 | 2011-07-06 | 株式会社竹中工務店 | 騒音低減装置 |
JP4517948B2 (ja) * | 2005-06-09 | 2010-08-04 | 鹿島建設株式会社 | 移動式防音システム及び移動式防音塀 |
JP4922773B2 (ja) * | 2007-01-24 | 2012-04-25 | 株式会社竹中工務店 | 騒音低減装置 |
JP5439707B2 (ja) * | 2007-03-02 | 2014-03-12 | ソニー株式会社 | 信号処理装置、信号処理方法 |
JP5646806B2 (ja) * | 2008-04-11 | 2014-12-24 | 鹿島建設株式会社 | 能動騒音制御装置及び能動騒音制御方法 |
JP2010024876A (ja) * | 2008-07-16 | 2010-02-04 | Toda Constr Co Ltd | 建設機械のエンジン騒音消音装置 |
US8737634B2 (en) | 2011-03-18 | 2014-05-27 | The United States Of America As Represented By The Secretary Of The Navy | Wide area noise cancellation system and method |
JP6579924B2 (ja) * | 2015-11-13 | 2019-09-25 | 三菱日立パワーシステムズ株式会社 | 煙突騒音低減システム及び煙突騒音低減システムの設定方法 |
JP6124203B1 (ja) * | 2016-05-13 | 2017-05-10 | 株式会社ボーダレス | 音響信号処理装置及びそれを装備したヘルメット |
KR101855774B1 (ko) * | 2016-12-13 | 2018-06-20 | 현대자동차 주식회사 | 하이브리드 차량의 진동 제어 장치 및 방법 |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03284098A (ja) * | 1990-03-30 | 1991-12-13 | Matsushita Electric Ind Co Ltd | 消音装置 |
JPH04308899A (ja) * | 1991-04-05 | 1992-10-30 | Mitsubishi Motors Corp | 車室内音の適応型能動消音方式 |
GB2257327A (en) * | 1991-07-05 | 1993-01-06 | Honda Motor Co Ltd | Active vibration control system |
JPH0553589A (ja) * | 1991-08-29 | 1993-03-05 | Nissan Motor Co Ltd | 能動型騒音制御装置 |
JPH0659687A (ja) * | 1992-08-06 | 1994-03-04 | Mitsubishi Electric Corp | 電子消音システム |
JPH0720880A (ja) * | 1993-06-21 | 1995-01-24 | Mitsubishi Heavy Ind Ltd | 能動振動・騒音制御装置 |
JPH0774590A (ja) * | 1993-09-03 | 1995-03-17 | Mitsubishi Electric Corp | 電子消音装置 |
JPH07219559A (ja) * | 1994-01-31 | 1995-08-18 | Toshiba Corp | 適応形能動消音装置 |
JPH0833092A (ja) * | 1994-07-14 | 1996-02-02 | Nissan Motor Co Ltd | 立体音響再生装置の伝達関数補正フィルタ設計装置 |
JPH0883080A (ja) * | 1994-09-12 | 1996-03-26 | Matsushita Electric Ind Co Ltd | 消音装置 |
JPH08179782A (ja) * | 1994-12-27 | 1996-07-12 | Kubota Corp | 能動的消音装置 |
JPH1011073A (ja) * | 1996-06-19 | 1998-01-16 | Toa Corp | マイクロホンシステム及びこれを使用した消音装置 |
JP2001142468A (ja) * | 1999-11-15 | 2001-05-25 | Yanmar Diesel Engine Co Ltd | アクティブ消音装置及びその信号処理方法 |
JP2001172925A (ja) * | 1999-10-08 | 2001-06-26 | Mitsubishi Heavy Ind Ltd | 能動遮音壁及び能動遮音ユニット |
-
2001
- 2001-09-28 JP JP2001304261A patent/JP3615172B2/ja not_active Expired - Fee Related
-
2002
- 2002-09-26 WO PCT/JP2002/009952 patent/WO2003030147A1/ja active Application Filing
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03284098A (ja) * | 1990-03-30 | 1991-12-13 | Matsushita Electric Ind Co Ltd | 消音装置 |
JPH04308899A (ja) * | 1991-04-05 | 1992-10-30 | Mitsubishi Motors Corp | 車室内音の適応型能動消音方式 |
GB2257327A (en) * | 1991-07-05 | 1993-01-06 | Honda Motor Co Ltd | Active vibration control system |
JPH0553589A (ja) * | 1991-08-29 | 1993-03-05 | Nissan Motor Co Ltd | 能動型騒音制御装置 |
JPH0659687A (ja) * | 1992-08-06 | 1994-03-04 | Mitsubishi Electric Corp | 電子消音システム |
JPH0720880A (ja) * | 1993-06-21 | 1995-01-24 | Mitsubishi Heavy Ind Ltd | 能動振動・騒音制御装置 |
JPH0774590A (ja) * | 1993-09-03 | 1995-03-17 | Mitsubishi Electric Corp | 電子消音装置 |
JPH07219559A (ja) * | 1994-01-31 | 1995-08-18 | Toshiba Corp | 適応形能動消音装置 |
JPH0833092A (ja) * | 1994-07-14 | 1996-02-02 | Nissan Motor Co Ltd | 立体音響再生装置の伝達関数補正フィルタ設計装置 |
JPH0883080A (ja) * | 1994-09-12 | 1996-03-26 | Matsushita Electric Ind Co Ltd | 消音装置 |
JPH08179782A (ja) * | 1994-12-27 | 1996-07-12 | Kubota Corp | 能動的消音装置 |
JPH1011073A (ja) * | 1996-06-19 | 1998-01-16 | Toa Corp | マイクロホンシステム及びこれを使用した消音装置 |
JP2001172925A (ja) * | 1999-10-08 | 2001-06-26 | Mitsubishi Heavy Ind Ltd | 能動遮音壁及び能動遮音ユニット |
JP2001142468A (ja) * | 1999-11-15 | 2001-05-25 | Yanmar Diesel Engine Co Ltd | アクティブ消音装置及びその信号処理方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115262439A (zh) * | 2022-06-15 | 2022-11-01 | 浙江高信技术股份有限公司 | 一种降噪护栏及用于城市快速路的主动降噪屏障 |
CN115262439B (zh) * | 2022-06-15 | 2024-01-23 | 浙江高信技术股份有限公司 | 一种降噪护栏及用于城市快速路的主动降噪屏障 |
Also Published As
Publication number | Publication date |
---|---|
JP3615172B2 (ja) | 2005-01-26 |
JP2003108151A (ja) | 2003-04-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101903941B (zh) | 具有低速率仿真的噪声消除系统 | |
KR940005040B1 (ko) | 소음 저감장치 | |
US5276740A (en) | Earphone device | |
KR100919642B1 (ko) | 지향성 음향 생성 장치 및 그를 이용한 휴대용 단말기 | |
WO2003030147A1 (en) | Noise reduction apparatus | |
US20090074199A1 (en) | System for providing a reduction of audiable noise perception for a human user | |
CA2149563A1 (en) | Transmitter-Receiver Having Ear-Piece Type Acoustic Transducing Part | |
ATE165505T1 (de) | Vorrichtung zur unterdrückung des schnarchens | |
CA2382362A1 (en) | Inter-channel communication in a multi-channel digital hearing instrument | |
WO2003022000A3 (en) | Interchangeable pivoting loudspeaker assembly with spring retained high frequency transducer | |
JPH03165696A (ja) | 多機能電気音響装置 | |
GB0005334D0 (en) | A method of improving the audibility of sound from a loudspeaker located close to an ear | |
EP1499159A3 (de) | Aktive Störgeräuschunterdrückung bei Hörhilfegeräten | |
CA2520037A1 (en) | Active acoustics performance shell | |
JP2003264883A (ja) | 音声処理装置および音声処理方法 | |
US20230336926A1 (en) | Beamforming devices for hearing assistance | |
MY128422A (en) | Active headset | |
NO950495L (no) | Apparat for å lytte på kroppslyd | |
JPH02254898A (ja) | 騒音低減装置 | |
CN101437190A (zh) | 具有助听功能的耳机 | |
CN103813241B (zh) | 移动电子设备及其音频播放装置 | |
CN203968327U (zh) | 一种免摘除进行近距对话的耳机 | |
WO2006047203A3 (en) | Method and apparatus for intelligent acoustic signal processing in accordance with a user preference | |
CN113038315A (zh) | 一种语音信号处理方法及装置 | |
KR100231219B1 (ko) | 이어폰 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN KR SG |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FR GB GR IE IT LU MC NL PT SE SK TR |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
122 | Ep: pct application non-entry in european phase |