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DIN
DIN EN 1793-4 E : 2015

DIN EN 1793-4 E : 2015

Current

Current

The latest, up-to-date edition.

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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PDF - English
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