This document specifies the basic measurement procedures for airborne and impact sound insulation of building elements in laboratory test facilities.<\/p>\n
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| 1<\/td>\n | 30443311 <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | A-30404157 <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | National foreword <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | European foreword <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | Foreword <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | Introduction <\/td>\n<\/tr>\n | ||||||
| 39<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 40<\/td>\n | 4 Measurement procedures and requirements 4.1 Frequency range <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 42<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 43<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 44<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 45<\/td>\n | 4.8 Measurement of radiated sound power by surface velocity of elements <\/td>\n<\/tr>\n | ||||||
| 46<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 47<\/td>\n | 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 <\/td>\n<\/tr>\n | ||||||
| 48<\/td>\n | Annex A (informative) Additional procedures for measurements at low frequencies <\/td>\n<\/tr>\n | ||||||
| 50<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Tracked Changes. Acoustics. Laboratory measurement of sound insulation of building elements – Measurement procedures and requirements<\/b><\/p>\n |