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14/30298593 DC : 0

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

BS EN 1793-4 - 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

Superseded date

03-31-2015

Language(s)

English

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

BS EN 1793-4

Committee
B/509/6
DocumentType
Draft
Pages
36
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
PREN 1793-4 : DRAFT 2014 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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