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eLibrary > BS EN 16272-1:2023 Railway applications. Infrastructure. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance - Intrinsic characteristics. Sound absorption under diffuse sound field >

BS EN 16272-1:2023 Railway applications. Infrastructure. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance - Intrinsic characteristics. Sound absorption under diffuse sound field , 2023

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BS EN 16272-1:2023 Railway applications. Infrastructure. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance - Intrinsic characteristics. Sound absorption under diffuse sound field , 2023

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1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations [Go to Page]
3.1 Terms and definitions
3.2 Symbols and abbreviations
4 Test arrangement
5 Test procedure and evaluation [Go to Page]
5.1 Test method
5.2 Measurement uncertainty
6 Test report [Go to Page]
6.1 Expression of results
6.2 Further information
Annex A (informative)On the realization of a diffuse sound field [Go to Page]
A.1 General
A.2 Additional information on the diffuseness of the sound field in a reverberation room
Annex B (normative)Measurement uncertainty [Go to Page]
B.1 General
B.2 Measurement uncertainty based upon reproducibility data
B.3 Standard deviation of repeatability and reproducibility of the sound absorption coefficient
Annex C (normative)Test report template [Go to Page]
C.1 Overview
C.2 Test object (example)
C.3 Test situation (example) [Go to Page]
C.3.1 Test room and test arrangement
C.3.2 Test equipment and test procedures
C.3.3 Test conditions
C.4 Test results (example)
C.5 Measurement uncertainty (example) [Go to Page]

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BS EN 16272-1:2023 Railway applications. Infrastructure. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance - Intrinsic characteristics. Sound absorption under diffuse sound field , 2023

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