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dnaSRPS EN 1793-1:2020

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

General information

50.20     Aug 21, 2025

50.60    Oct 16, 2025

ISS

Z226/PKS 1

European Norm

17.140.30     93.080.30  

English  

Scope

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.

Life cycle

PREVIOUSLY

PUBLISHED
SRPS EN 1793-1:2017

NOW

PROJECT
dnaSRPS EN 1793-1:2020
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Aug 21, 2025

Related project

Adopted from FprEN 1793-1

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