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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 PDF

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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
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.)
Ceased
Application number
PCT/JP2008/057162
Other languages
English (en)
French (fr)
Inventor
Masanori Watanabe
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to EP08740259A priority Critical patent/EP2138813A4/en
Priority to US12/280,020 priority patent/US8094828B2/en
Publication of WO2008126916A1 publication Critical patent/WO2008126916A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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。
PCT/JP2008/057162 2007-04-11 2008-04-11 音源分離装置および音源分離方法 Ceased WO2008126916A1 (ja)

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 Ceased 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)

* Cited by examiner, † Cited by third party
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
US9200945B2 (en) 2011-12-01 2015-12-01 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、系统、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
JPWO2022196000A1 (ja) * 2021-03-17 2022-09-22
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
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
JP2008261688A (ja) 2008-10-30
EP2138813A1 (en) 2009-12-30
JP4584951B2 (ja) 2010-11-24
US20100226504A1 (en) 2010-09-09
EP2138813A4 (en) 2012-06-20
US8094828B2 (en) 2012-01-10

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