14/30298593 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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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
Hardcopy , PDF
English
31-03-2015
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Superseded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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