ROAD TRAFFIC NOISE REDUCING DEVICES - TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE - PART 4: INTRINSIC CHARACTERISTICS - IN SITU VALUES OF SOUND DIFFRACTION

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2015

Publisher

German Institute for Standardisation (Deutsches Institut für Normung)

National foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Sound diffraction index difference
measurements
5 Measurement uncertainty
6 Measuring procedure
Annex A (informative) - Indoor measurements for
product qualification
Annex B (informative) - Measurement uncertainty
Bibliography

Specifies a test method for determining the intrinsic characteristics of sound diffraction of added devices installed on the top of traffic noise reducing devices.

DocumentType	Standard
Pages	36
PublisherName	German Institute for Standardisation (Deutsches Institut für Normung)
Status	Current

Standards	Relationship
EN 1793-4:2015	Identical

ISO 13472-1:2002	Acoustics Measurement of sound absorption properties of road surfaces in situ Part 1: Extended surface method
ISO 354:2003	Acoustics — Measurement of sound absorption in a reverberation room
EN 1793-3:1997	Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalized traffic noise spectrum
ISO/IEC Guide 98:1993	Guide to the expression of uncertainty in measurement (GUM)
IEC 60942:2003	Electroacoustics - Sound calibrators
CEN/TS 1793-5 : 2003	ROAD TRAFFIC NOISE REDUCING DEVICES - TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE - PART 5: INTRINSIC CHARACTERISTICS - IN SITU VALUES OF SOUND REFLECTION AND AIRBORNE SOUND INSULATION
EN ISO 354:2003	Acoustics - Measurement of sound absorption in a reverberation room (ISO 354:2003)
EN 61672-1:2013	Electroacoustics - Sound level meters - Part 1: Specifications
EN 1793-6:2012	Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - In situ values of airborne sound insulation under direct sound field conditions
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
IEC 61260:1995	Electroacoustics - Octave-band and fractional-octave-band filters

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DIN EN 1793-4 E : 2015

ROAD TRAFFIC NOISE REDUCING DEVICES - TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE - PART 4: INTRINSIC CHARACTERISTICS - IN SITU VALUES OF SOUND DIFFRACTION

Table of Contents

Abstract

General Product Information

International Equivalents

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