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BS EN ISO 10140-4:2021

BS EN ISO 10140-4:2021

$102.76

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

Published By Publication Date Number of Pages
BSI 2021 22
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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
2 National foreword
4 European foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Measurement procedures and requirements
4.1 Frequency range
11 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
12 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
13 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
14 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
15 4.8 Measurement of radiated sound power by surface velocity of elements
16 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
17 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
18 Annex A (informative) Additional procedures for measurements at low frequencies
20 Bibliography

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BS EN ISO 10140-4:2021
$102.76