DIN Standards Committee Materials Testing
ISO 140-4
Acoustics - Measurement of sound insulation in buildings and of building elements - Part 4: Field measurements of airborne sound insulation between rooms
Akustik - Messung der Schalldämmung in Gebäuden und von Bauteilen - Teil 4: Messung der Luftschalldämmung zwischen Räumen in Gebäuden
Responsible national committee
NA 062-02-31 AA - Sound reduction and sound absorption; Measurement and evaluation
Responsible international committee
ISO/TC 43/SC 2/WG 18 - Measurement of sound insulation in buildings and of building elements