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NS-EN 1793-1:2025

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Abstract

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.

Document information

  • Standard from SN
  • Published:
  • Edition: 2025-12
  • Version: 1
  • Document type: NAT
  • ICS 17.140.30
  • ICS 93.080.30

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