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I.S. EN 1793-4:2015

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

National Standards Authority of Ireland

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

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

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

DevelopmentNote
Supersedes I.S. EN CEN TS 1793-4. (04/2015)
DocumentType
Standard
Pages
38
PublisherName
National Standards Authority of Ireland
Status
Current
Supersedes

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
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
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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Hardcopy - English
PDF - English
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