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BS EN 16272-3-2:2023 Railway applications. Infrastructure. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance - Normalized railway noise spectrum and single number ratings for dire >
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BS EN 16272-3-2:2023 Railway applications. Infrastructure. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance - Normalized railway noise spectrum and single number ratings for dire, 2023
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- 1 Scope
- 2 Normative references
- 3 Terms, definitions, symbols and abbreviated terms [Go to Page]
- 4 Normalized railway noise spectrum for direct sound field applications
- 5 Single-number rating of sound reflection index DLRI
- 6 Single-number rating of sound insulation index DLSI [Go to Page]
- 7 Single-number ratings of diffraction index difference DLΔDI [Go to Page]
- 8 Uncertainty of single-number ratings
- 9 Expression of results
- Annex A (informative)Guidance note on use of the single-number rating of sound reflection index DLRI
- Annex B (informative)Guidance note on use of the single-number rating of sound insulation index DLSI
- Annex C (informative)Guidance note on use of the single-number rating of diffraction index difference DLΔDI
- Annex D (informative)Measurement uncertainty of the single-number ratings [Go to Page]