WO2008126916A1 - 音源分離装置および音源分離方法 - Google Patents
音源分離装置および音源分離方法 Download PDFInfo
- Publication number
- WO2008126916A1 WO2008126916A1 PCT/JP2008/057162 JP2008057162W WO2008126916A1 WO 2008126916 A1 WO2008126916 A1 WO 2008126916A1 JP 2008057162 W JP2008057162 W JP 2008057162W WO 2008126916 A1 WO2008126916 A1 WO 2008126916A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sound
- vibration
- sound source
- source separating
- fluid
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
- G01S3/802—Systems for determining direction or deviation from predetermined direction
- G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
音源分離装置100は、流体の圧力変動に起因して発生する流体音と固体の振動に起因して発生する振動音が混在した音圧を検出する音圧検出手段と、固体の振動を検出する振動検出手段2と、音圧検出手段で得られた音圧と振動検出手段2で得られた振動とを用いて、前記音圧検出手段で検出された音圧を流体音成分と振動音成分とに分離して出力する音源分離手段3とを備える。流体音と振動音とに分離することにより、振動・騒音対策の効果的かつ迅速な実施や、静音化製品の開発期間の短縮が可能である。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08740259A EP2138813A4 (en) | 2007-04-11 | 2008-04-11 | DEVICE FOR SEPARATING SOUND SOURCES AND METHOD FOR SEPARATING SOUND SOURCES |
US12/280,020 US8094828B2 (en) | 2007-04-11 | 2008-04-11 | Sound source separating apparatus and sound source separating method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007103743A JP4584951B2 (ja) | 2007-04-11 | 2007-04-11 | 音源分離装置および音源分離方法 |
JP2007-103743 | 2007-04-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008126916A1 true WO2008126916A1 (ja) | 2008-10-23 |
Family
ID=39864011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/057162 WO2008126916A1 (ja) | 2007-04-11 | 2008-04-11 | 音源分離装置および音源分離方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8094828B2 (ja) |
EP (1) | EP2138813A4 (ja) |
JP (1) | JP4584951B2 (ja) |
WO (1) | WO2008126916A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8286493B2 (en) * | 2006-09-01 | 2012-10-16 | Audiozoom Ltd. | Sound sources separation and monitoring using directional coherent electromagnetic waves |
US8721554B2 (en) | 2007-07-12 | 2014-05-13 | University Of Florida Research Foundation, Inc. | Random body movement cancellation for non-contact vital sign detection |
JP5253268B2 (ja) * | 2009-03-30 | 2013-07-31 | 中部電力株式会社 | 音源・振動源探査システム |
JP5216700B2 (ja) * | 2009-06-24 | 2013-06-19 | 株式会社日立エンジニアリング・アンド・サービス | 音源の寄与診断装置およびこれを用いた寄与診断方法 |
WO2013082620A1 (en) | 2011-12-01 | 2013-06-06 | University Of Florida Research Foundation, Inc. | Wavelength division sensing rf vibrometer for accurate measurement of complex vibrations |
JP2013167555A (ja) * | 2012-02-16 | 2013-08-29 | Ono Sokki Co Ltd | 音響計測装置 |
WO2016051565A1 (ja) * | 2014-10-02 | 2016-04-07 | 株式会社日立製作所 | 雑音除去装置、雑音除去方法、および位置特定方法 |
US11051702B2 (en) | 2014-10-08 | 2021-07-06 | University Of Florida Research Foundation, Inc. | Method and apparatus for non-contact fast vital sign acquisition based on radar signal |
CN104266749B (zh) * | 2014-10-24 | 2017-08-11 | 重庆市科学技术研究院 | 一种车用发电机nvh下线检测装置及其方法 |
US9833200B2 (en) | 2015-05-14 | 2017-12-05 | University Of Florida Research Foundation, Inc. | Low IF architectures for noncontact vital sign detection |
CN108461078B (zh) * | 2017-02-21 | 2020-09-15 | 比亚迪股份有限公司 | 电机高频噪声的掩蔽方法和装置 |
CN110631691B (zh) * | 2019-09-09 | 2021-06-11 | 国网湖南省电力有限公司 | 一种电力设备噪声分离效果验证方法、***、分离设备及介质 |
NO347429B1 (no) | 2020-10-29 | 2023-10-30 | Sansoglys As | Anordning og fremgangsmåte for overvåking og visualisering av lydnivå |
DE112021007299T5 (de) * | 2021-03-17 | 2024-02-22 | Sony Semiconductor Solutions Corporation | Informationsverarbeitungseinrichtung, informationsverarbeitungsverfahren und erfassungssystem |
CN118032113B (zh) * | 2024-04-15 | 2024-07-12 | 珠海高凌信息科技股份有限公司 | 一种噪声排放监测方法、设备及介质 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0526722A (ja) | 1991-07-16 | 1993-02-02 | Bridgestone Corp | 音源・振動源の寄与診断方法およびその装置 |
JPH08178740A (ja) * | 1994-12-26 | 1996-07-12 | J R C Tokki Kk | 音響変換効率測定法および測定装置 |
JPH0921692A (ja) * | 1995-07-04 | 1997-01-21 | Honda Motor Co Ltd | 車内騒音の評価方法 |
EP1087214A2 (en) | 1999-09-27 | 2001-03-28 | Ford Global Technologies, Inc. | Method and system to detect unwanted noise |
JP2001165815A (ja) * | 1999-12-08 | 2001-06-22 | Mitsubishi Motors Corp | 車体の吸遮音性能計測装置 |
US6324290B1 (en) | 1994-03-08 | 2001-11-27 | Bridgestone Corporation | Method and apparatus for diagnosing sound source and sound vibration source |
US20050063553A1 (en) | 2003-08-01 | 2005-03-24 | Kazuhiko Ozawa | Microphone apparatus, noise reduction method and recording apparatus |
FR2867563A1 (fr) | 2004-03-11 | 2005-09-16 | Marmonier | Procede dynamique de caracterisation audio des bruits rayonnes par une structure vibrante et de differentiation des bruits solidiens dans un bruit complexe global |
JP2006306278A (ja) * | 2005-04-28 | 2006-11-09 | Railway Technical Res Inst | 推定方法 |
US7167413B1 (en) | 2006-05-01 | 2007-01-23 | Input/Output | Towed streamer deghosting |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005164252A (ja) * | 2003-11-28 | 2005-06-23 | Sekisui House Ltd | 振動及び騒音検出装置 |
-
2007
- 2007-04-11 JP JP2007103743A patent/JP4584951B2/ja not_active Expired - Fee Related
-
2008
- 2008-04-11 WO PCT/JP2008/057162 patent/WO2008126916A1/ja active Application Filing
- 2008-04-11 US US12/280,020 patent/US8094828B2/en not_active Expired - Fee Related
- 2008-04-11 EP EP08740259A patent/EP2138813A4/en not_active Withdrawn
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0526722A (ja) | 1991-07-16 | 1993-02-02 | Bridgestone Corp | 音源・振動源の寄与診断方法およびその装置 |
US6324290B1 (en) | 1994-03-08 | 2001-11-27 | Bridgestone Corporation | Method and apparatus for diagnosing sound source and sound vibration source |
JPH08178740A (ja) * | 1994-12-26 | 1996-07-12 | J R C Tokki Kk | 音響変換効率測定法および測定装置 |
JPH0921692A (ja) * | 1995-07-04 | 1997-01-21 | Honda Motor Co Ltd | 車内騒音の評価方法 |
EP1087214A2 (en) | 1999-09-27 | 2001-03-28 | Ford Global Technologies, Inc. | Method and system to detect unwanted noise |
JP2001165815A (ja) * | 1999-12-08 | 2001-06-22 | Mitsubishi Motors Corp | 車体の吸遮音性能計測装置 |
US20050063553A1 (en) | 2003-08-01 | 2005-03-24 | Kazuhiko Ozawa | Microphone apparatus, noise reduction method and recording apparatus |
FR2867563A1 (fr) | 2004-03-11 | 2005-09-16 | Marmonier | Procede dynamique de caracterisation audio des bruits rayonnes par une structure vibrante et de differentiation des bruits solidiens dans un bruit complexe global |
JP2006306278A (ja) * | 2005-04-28 | 2006-11-09 | Railway Technical Res Inst | 推定方法 |
US7167413B1 (en) | 2006-05-01 | 2007-01-23 | Input/Output | Towed streamer deghosting |
Also Published As
Publication number | Publication date |
---|---|
US20100226504A1 (en) | 2010-09-09 |
EP2138813A4 (en) | 2012-06-20 |
JP2008261688A (ja) | 2008-10-30 |
EP2138813A1 (en) | 2009-12-30 |
US8094828B2 (en) | 2012-01-10 |
JP4584951B2 (ja) | 2010-11-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2008126916A1 (ja) | 音源分離装置および音源分離方法 | |
WO2010067304A3 (en) | Acoustic fluid presence/absence detection | |
WO2008016414A3 (en) | Apparatus and method for continuous particle separation | |
WO2006029290A3 (en) | Application of abnormal event detection technology to olefins recovery trains | |
WO2006031750A3 (en) | Application of abnormal event detection technology to hydrocracking units | |
WO2009141828A3 (en) | A method and a system for processing signals | |
PL1972793T3 (pl) | Sposób wykrywania usterek w zespołach pompowych | |
WO2009106331A3 (de) | Vorrichtung zur plasmaseparation | |
WO2010017976A3 (de) | Umkehrosmoseanlage mit einer vorrichtung zur geräuschminderung sowie verfahren zur geräuschminderung einer umkehrosmoseanlage | |
WO2006102495A3 (en) | Device and method for tracking eye gaze direction | |
WO2008143226A1 (ja) | コネクタ嵌合状態判定装置、コネクタ嵌合状態判定システム及びコネクタ嵌合状態判定方法 | |
NO20080615L (no) | Multifasestromningsmalesystem som har en fluidseparator | |
DE602005010572D1 (de) | Zyklonabscheidevorrichtung | |
WO2010133776A3 (fr) | Dispositif et procede d'isolement de cibles biologiques ou chimiques | |
WO2009007844A3 (en) | Breathalyzer test device | |
WO2007149605A3 (en) | Methods and apparatus for multi-parameter acoustic signature inspection | |
WO2007111651A3 (en) | Systems and methods of sample processing and fluid control in a fluidic system | |
WO2008018012A3 (en) | A device for and a method of processing an audio signal | |
WO2011093602A3 (en) | Centrifugal micro-fluidic device and method for detecting analytes from liquid specimen | |
WO2007015959A3 (en) | System and method for implementing a control function via a sensor having a touch sensitive control input surface | |
WO2008111462A1 (ja) | 雑音抑圧の方法、装置、及びプログラム | |
WO2012104767A3 (en) | Apparatus and method for locating the point of impact of a body on a surface | |
WO2008062360A3 (en) | Apparatus and method for determining a detector energy weighting function of a detection unit | |
WO2008015551A3 (en) | Operation assist apparatus | |
WO2008116767A3 (en) | A motion classification device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
REEP | Request for entry into the european phase |
Ref document number: 2008740259 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2008740259 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12280020 Country of ref document: US |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 08740259 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |