ISO 12999-2
Acoustics - Determination and application of measurement uncertainties in building acoustics - Part 2: Sound absorption
Akustik - Bestimmung und Anwendung der Messunsicherheiten in der Bauakustik - Teil 2: Schalldämpfung
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