DK2502035T3 - A method and apparatus for determining coefficients of acoustic and acoustic power - Google Patents

A method and apparatus for determining coefficients of acoustic and acoustic power Download PDF

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Publication number
DK2502035T3
DK2502035T3 DK10787573.4T DK10787573T DK2502035T3 DK 2502035 T3 DK2502035 T3 DK 2502035T3 DK 10787573 T DK10787573 T DK 10787573T DK 2502035 T3 DK2502035 T3 DK 2502035T3
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DK
Denmark
Prior art keywords
intensity
time
sound
lac
acoustic
Prior art date
Application number
DK10787573.4T
Other languages
Danish (da)
English (en)
Inventor
Ysbrand Hans Wijnant
Original Assignee
Soundinsight B V
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
Priority claimed from NL2003832A external-priority patent/NL2003832C2/nl
Application filed by Soundinsight B V filed Critical Soundinsight B V
Application granted granted Critical
Publication of DK2502035T3 publication Critical patent/DK2502035T3/en

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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
    • G01H3/10—Amplitude; Power
    • 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
    • G01H3/10—Amplitude; Power
    • G01H3/12—Amplitude; Power by electric means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/002—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means for representing acoustic field distribution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Remote Sensing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DK10787573.4T 2009-11-19 2010-11-19 A method and apparatus for determining coefficients of acoustic and acoustic power DK2502035T3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL2003832A NL2003832C2 (nl) 2009-11-19 2009-11-19 Werkwijze en inrichting voor het bepalen van de akoestische absorptie- en transmissie-coefficient, in het bijzonder op een gekozen positie in een ruimte.
NL2004628A NL2004628C2 (nl) 2009-11-19 2010-04-29 Werkwijze en inrichting voor het bepalen van de akoestische absorptie- en transmissie-coefficient, in het bijzonder op een gekozen positie in een ruimte.
PCT/NL2010/050776 WO2011062493A1 (en) 2009-11-19 2010-11-19 Method and device for determining acoustic coefficients and acoustic power

Publications (1)

Publication Number Publication Date
DK2502035T3 true DK2502035T3 (en) 2016-08-29

Family

ID=43598244

Family Applications (1)

Application Number Title Priority Date Filing Date
DK10787573.4T DK2502035T3 (en) 2009-11-19 2010-11-19 A method and apparatus for determining coefficients of acoustic and acoustic power

Country Status (10)

Country Link
US (1) US9261399B2 (enExample)
EP (1) EP2502035B1 (enExample)
JP (1) JP5712409B2 (enExample)
KR (1) KR101899601B1 (enExample)
CN (1) CN102741669B (enExample)
DK (1) DK2502035T3 (enExample)
ES (1) ES2587081T3 (enExample)
NL (1) NL2004628C2 (enExample)
PL (1) PL2502035T3 (enExample)
WO (1) WO2011062493A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101314043B1 (ko) 2012-07-30 2013-10-01 인하대학교 산학협력단 차량의 액슬 기어 소음의 음질평가 방법 및 장치
CN102890116A (zh) * 2012-10-23 2013-01-23 中原工学院 一种声压移向测量吸声系数的方法
CN104198032B (zh) * 2014-08-14 2016-08-31 合肥工业大学 一种矩形开口声传递率及声传递损失计算方法
CN104198584B (zh) * 2014-09-18 2016-05-25 合肥工业大学 一种获得圆形开口声传递率及声传递损失的方法
JP7387530B2 (ja) * 2020-05-21 2023-11-28 株式会社小野測器 音響パワーレベルの推定方法
EP4002889A1 (en) 2020-11-20 2022-05-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for determining a sound field

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3915016A (en) * 1972-10-16 1975-10-28 Arun G Jhaveri Means and a method for determining an acoustical property of a material
JPS61228317A (ja) * 1985-04-02 1986-10-11 Fuji Electric Co Ltd 音響パワ−レベル測定装置
US4655086A (en) * 1985-04-30 1987-04-07 Iowa State University Research Foundation, Inc. Method and means for measuring sound intensity
JPS62115326A (ja) * 1985-11-14 1987-05-27 Isuzu Motors Ltd 音響放射状態の予測方法
JPS62161021A (ja) * 1986-01-10 1987-07-17 Mitsubishi Heavy Ind Ltd 吸音率計測装置
JPS63153433A (ja) * 1986-12-17 1988-06-25 Fuji Electric Co Ltd 音響パワ−レベル測定方法
JPS63218855A (ja) * 1987-03-09 1988-09-12 Mitsubishi Heavy Ind Ltd 吸音特性計測方法
US5679899A (en) * 1995-03-06 1997-10-21 Holographics Inc. Method and apparatus for non-destructive testing of structures
US6173074B1 (en) * 1997-09-30 2001-01-09 Lucent Technologies, Inc. Acoustic signature recognition and identification
NL1008006C1 (nl) * 1998-01-09 1999-07-12 Microflown Technologies B V Deeltjessnelheidssensor.
JP2000121427A (ja) 1998-10-19 2000-04-28 Kawasaki Steel Corp 音響管
JP2003083805A (ja) * 2001-09-12 2003-03-19 Toru Ozuru 音響インピーダンス及び吸音率の測定手法
JP2007292667A (ja) * 2006-04-26 2007-11-08 Isuzu Motors Ltd 音響特性測定装置
JP4876287B2 (ja) 2008-03-27 2012-02-15 国立大学法人 大分大学 音響インピーダンス及び吸音率の測定方法

Also Published As

Publication number Publication date
PL2502035T3 (pl) 2016-11-30
JP5712409B2 (ja) 2015-05-07
CN102741669A (zh) 2012-10-17
KR101899601B1 (ko) 2018-09-17
JP2013511712A (ja) 2013-04-04
EP2502035B1 (en) 2016-05-11
US9261399B2 (en) 2016-02-16
US20120296600A1 (en) 2012-11-22
CN102741669B (zh) 2015-01-28
ES2587081T3 (es) 2016-10-20
NL2004628C2 (nl) 2011-05-23
KR20120103648A (ko) 2012-09-19
EP2502035A1 (en) 2012-09-26
WO2011062493A1 (en) 2011-05-26

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