ISO 9614-1:2023

Sound Power โ€” Intensity Method (Discrete Points)

This test uses a sound intensity probe to measure acoustic intensity at discrete points on a measurement surface, allowing determination of sound power levels without requiring a fully anechoic environment. The intensity-based approach is effective for characterizing noise sources in semi-reverberant or field conditions where traditional pressure-based methods are unreliable. It provides directional acoustic information and is valuable for source localization and acoustic modification assessment. Accreditation ensures proper probe calibration, measurement procedures, and data processing are maintained to standards.

What it measures

  • Sound intensity magnitude and direction (vector)
  • Sound power level by surface integration
  • A-weighted and frequency-weighted acoustic power
  • Sound radiation patterns from complex sources
๐Ÿ‡ฉ๐Ÿ‡ช DIN EN ISO 9614-2 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN ISO 9614-2 ๐Ÿ‡ซ๐Ÿ‡ท NF EN ISO 9614-2 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN ISO 9614-2 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN ISO 9614-2 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN ISO 9614-2 ๐Ÿ‡ฉ๐Ÿ‡ช DIN EN ISO 3744 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN ISO 3744 ๐Ÿ‡ซ๐Ÿ‡ท NF EN ISO 3744 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN ISO 3744 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN ISO 3744 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN ISO 3744
1,868 Accredited labs
20 Countries

Showing 226โ€“250 of 254 labs

COFRAC 1-6449 Saint-Etienne-Du-Rouvray, FR
DIN ISO 17289 DIN EN ISO 10523 NF X 31-615 (Uniquement DIN EN ISO 7393-2 DIN EN 27888 + 1 more
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COFRAC 1-6446 Evry-Courcouronnes, FR
NF X 43-264 NF X 43-014 NF X 43-267 DIN EN ISO 15587-2 NF T90-111 + 3 more
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COFRAC 1-7056 Gennevilliers, FR
NF X 43-269 - Annexe K NF X43-050 (parties utiles de ISO 22262-1 NF X 43-050 NF ISO 22262-1 (parties utiles
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COFRAC 1-6452 Brive-La-Gaillarde, FR
DIN ISO 17289 DIN EN ISO 10523 NF X 31-615 (Uniquement DIN EN ISO 7393-2 DIN EN 27888 + 1 more
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COFRAC 1-6454 Toulouse, FR
NF X 43-269 NF X 43-269 - Annexe K NF X43-050 (parties utiles de ISO 22262-1 NF X 43-050 + 1 more
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COFRAC 1-1452 Colombes, FR
DIN EN ISO 17294-2 DIN EN ISO 13395 DIN EN ISO 10304-1 NF-T 90-029 ISO 5815-1 + 3 more
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COFRAC 1-0161 Cergy, FR
DIN EN ISO 21528-1 DIN 53483-2 DIN EN ISO 21528-2 DIN ISO 11665-4 DIN EN ISO 16649-3 + 3 more
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COFRAC 1-6746 Saint-Herblain, FR
ISO 18787 AM09 based on BS ISO 21527-1: DIN EN ISO 11290-1 NF V04-408 0.95) based on BS ISO 21527-2:2008 + 2 more
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COFRAC 1-0889 Fontaine, FR
DIN EN ISO 21528-1 NF V08-401 DIN EN ISO 21528-2 DIN EN ISO 6888-1 DIN EN ISO 6888-2 + 3 more
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COFRAC 1-7288 La Fleche, FR
DIN EN ISO 21528-1 DIN EN ISO 21528-2 DIN EN ISO 6888-1 DIN EN ISO 6888-2 DIN ISO 16649-2 + 3 more
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COFRAC 1-0869 Paris, FR
NF X 43-050 NF X 43-269 NF X 43-269 โ€“ Annexe K NF X43-050 (parties utiles de la DIN ISO 16000-3 + 3 more
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COFRAC 1-0824 Lisses, FR
DIN EN ISO 1833-13 DIN EN ISO 1833-14 DIN EN ISO 1833-16 DIN EN ISO 1833-17 DIN EN ISO 1833-18 + 3 more
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COFRAC 1-6879 Vitry Sur Seine, FR
ISO 13737 NF ISO 22286 ASTM D 2137 NF F19-503 NF T60-190 + 3 more
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COFRAC 1-0062 Les Ulis, FR
DIN EN ISO 10545-3 DIN EN 997 DIN EN ISO 10545-4 DIN EN ISO 10545-14 DIN EN ISO 10545-6 + 3 more
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SOCOR

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COFRAC 1-0273 Dechy, FR
DIN EN 14385 NF X43-551 ETSI EN 301 489-1 V2.2.3 2019-11 DIN EN 13039 DIN EN ISO 21656 + 3 more
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COFRAC 1-7125 Guyancourt, FR
DIN EN 14385 ETSI EN 301 489-1 V2.2.3 2019-11 DIN EN ISO 21877 NF X 43-317 DIN EN 14181 + 3 more
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COFRAC 1-2383 Hombourg, FR
ISO 11737-3 DIN EN ISO 11737-2 NF EN 13824 (norme BS EN ISO 11737-1:2018
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COFRAC 1-1374 Thourotte, FR
DIN EN ISO 10140-1 DIN EN ISO 717-1 DIN EN ISO 10140-2 DIN EN ISO 10140-4 DIN EN ISO 10140-5
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STEARO

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COFRAC 1-7174 Velaux, FR
DIN EN 12469 NF S 90-351 BS EN ISO 14644-1:2015 ISO 14644-3
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COFRAC 1-1202 Gellainville, FR
NF T90-111 DIN EN ISO 17294-2 DIN EN ISO 14403-2 DIN EN ISO 11357-3 DIN EN ISO 10304-1 + 3 more
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COFRAC 1-0576 Sedan, FR
DIN EN ISO 717-2 DIN EN ISO 10140-3 DIN EN 1081 DIN EN ISO 105-B02 DIN EN ISO 9239-1 + 3 more
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COFRAC 1-5598 Crolles, FR
DIN ISO 16000-6 DIN ISO 16000-3 DIN EN ISO 16017-2 DIN EN 16339 DIN ISO 16000-4 + 3 more
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TERANA CANTAL

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COFRAC 1-6125 Aurillac Cedex, FR
DIN EN ISO 17294-2 DIN EN ISO 14403-2 NF U47-105 NF T 90-412 DIN EN ISO 7899-1 + 3 more
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TERANA DROME

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COFRAC 1-7302 Valence Cedex 9, FR
DIN EN ISO 14403-2 VDE 414-9-11 DIN ISO 11465 DIN EN ISO 10304-1 NF-T 90-029 + 3 more
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COFRAC 1-6123 Le Puy En Velay Cedex, FR
DIN EN ISO 13395 NF T 90-412 VDE 414-9-11 DIN EN ISO 7899-1 DIN EN ISO 10304-1 + 3 more
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Industries

Automotive and vehicle noise source characterization Machinery and equipment acoustic testing Building services and HVAC noise assessment Aerospace and transportation noise evaluation Environmental noise consulting and source identification

Related Standards

  • ISO 9614-2 Determination of sound power levels of noise sources by sound intensity โ€” Part 2: Measurement by scanning
  • ISO 3744 Determination of sound power levels of noise sources using sound pressure โ€” Precision method in anechoic and hemi-anechoic rooms
  • ISO 9613-1 Attenuation of sound during propagation outdoors โ€” Part 1: Calculation of the absorption of sound by the atmosphere

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