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I.S. EN 16272-4:2016

Current
Current

The latest, up-to-date edition.

RAILWAY APPLICATIONS - TRACK - NOISE BARRIERS AND RELATED DEVICES ACTING ON AIRBORNE SOUND PROPAGATION - TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE - PART 4: INTRINSIC CHARACTERISTICS - IN SITU VALUES OF SOUND DIFFRACTION UNDER DIRECT SOUND FIELD
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2016

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.

National Foreword
European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Sound diffraction index difference measurements
6 Measurement uncertainty
7 Measuring procedure
8 Test report
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 railway noise barriers.

DocumentType
Standard
Pages
40
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
EN 16272-4:2016 Identical

EN 16272-3-2:2014 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-2: Normalized railway noise spectrum and single number ratings for direct field applications
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
CEN/TS 1793-4 : 2003 ROAD TRAFFIC NOISE REDUCING DEVICES - TEST METHOD FOR DETERMINING THE ACOUSTIC PERFORMANCE - PART 4: INTRINSIC CHARACTERISTICS - IN SITU VALUES OF SOUND DIFFRACTION
IEC 60942:2003 Electroacoustics - Sound calibrators
EN 16272-6:2014 Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - In situ values of airborne sound insulation under direct sound field conditions
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
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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