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EVS-EN 1793-1:2017

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions

General information

Withdrawn from 31.12.2025
Base Documents
EN 1793-1:2017
Directives or regulations
None

Standard history

Status
Date
Type
Name
31.12.2025
Main
18.04.2017
Main
05.12.2012
Main
EVS-EN 1793-1:2012
This European Standard 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 European Standard 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.

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