14/30297521 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 16272-4 - 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 CONDITIONS
Hardcopy , PDF
English
31-10-2016
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
BS EN 16272-4.
| Committee |
RAE/2
|
| DocumentType |
Draft
|
| Pages |
32
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| PREN 16272-4 : DRAFT 2014 | 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/IEC Guide 98:1993 | Guide to the expression of uncertainty in measurement (GUM) |
| 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) |
| IEC 61260:1995 | Electroacoustics - Octave-band and fractional-octave-band filters |
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