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BSI BS EN 1793-1:2025

Road traffic noise reducing devices. Test method for determining the acoustic performance -- Intrinsic characteristics of sound absorption under diffuse sound field conditions
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BSI BS EN 1793-1:2025

Road traffic noise reducing devices. Test method for determining the acoustic performance -- Intrinsic characteristics of sound absorption under diffuse sound field conditions

PUBLISH DATE 2026
PAGES 34
BSI BS EN 1793-1:2025
This document specifies the laboratory method for measuring the sound absorption performance of road traffic noise reducing devices in reverberant conditions. It covers the assessment of the intrinsic sound absorption performance of devices that can reasonably be assembled inside the testing facility described in EN ISO 354. This method is not intended for the determination of the intrinsic characteristics of sound absorption of noise reducing devices to be installed on roads in non-reverberant conditions. The test method in EN ISO 354 referred to in this document excludes devices that act as weakly damped resonators. Some devices will depart significantly from these requirements and in these cases, care is needed in interpreting the results.
SDO BSI: British Standards Institution
Document Number EN 1793-1
Publication Date Jan. 13, 2026
Language en - English
Page Count 34
Revision Level
Supercedes
Committee B/509/6
Publish Date Document Id Type View
Jan. 13, 2026 BS EN 1793-1:2025 Revision
April 30, 2017 BS EN 1793-1:2017 Revision
Feb. 28, 2013 BS EN 1793-1:2012 Revision
Jan. 15, 1998 BS EN 1793-1:1998 Revision