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BS EN ISO 10140-4:2021 – TC

BS EN ISO 10140-4:2021 – TC

$134.27

Tracked Changes. Acoustics. Laboratory measurement of sound insulation of building elements – Measurement procedures and requirements

Published By Publication Date Number of Pages
BSI 2021 52
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This document specifies the basic measurement procedures for airborne and impact sound insulation of building elements in laboratory test facilities.

PDF Catalog

PDF Pages PDF Title
1 30443311
31 A-30404157
32 National foreword
34 European foreword
36 Foreword
37 Introduction
39 1 Scope
2 Normative references
3 Terms and definitions
40 4 Measurement procedures and requirements
4.1 Frequency range
41 4.2 Measurement of sound pressure levels
4.2.1 General
4.2.2 Minimum separation distances for microphone positions
4.2.3 Averaging times
4.2.4 Energy average sound pressure level
42 4.3 Correction for background noise level
4.4 Measurement of airborne sound insulation
4.4.1 General
4.4.2 Measurements with fixed microphone positions
43 4.4.3 Measurements with a continuously moving microphone
4.5 Measurement of impact sound insulation
4.5.1 General
4.5.2 Measurements with fixed microphone positions
4.5.3 Continuously moving microphone
44 4.6 Measurement of reverberation time and evaluation of the equivalent sound absorption area
4.6.1 General
4.6.2 Measurement of reverberation time
4.6.3 Equivalent sound absorption area
4.7 Measurement of structural reverberation time
45 4.8 Measurement of radiated sound power by surface velocity of elements
46 5 Sound insulation measurements
5.1 General
5.2 General procedure for the determination of airborne sound insulation
5.2.1 General
5.2.2 Fixed microphone positions and multiple loudspeakers operating simultaneously or a moving loudspeaker
5.2.3 Fixed microphone positions and a single loudspeaker operated at more than one position
5.2.4 Continuously moving microphone and multiple loudspeakers operating simultaneously or a moving loudspeaker
5.2.5 Continuously moving microphone and a single loudspeaker operated at more than one position
47 5.3 General procedure for the determination of impact sound insulation of floors
5.3.1 General
5.3.2 Fixed microphone position
5.3.3 Continuously moving microphone
48 Annex A (informative) Additional procedures for measurements at low frequencies
50 Bibliography

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BS EN ISO 10140-4:2021 - TC
$134.27