ISO 10534-2
Acoustics - Determination of acoustic properties in impedance tubes - Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance
Akustik - Bestimmung der akustischen Eigenschaften in Impedanzrohren - Teil 2: 2-Mikrofontechnik für Schallabsorptionsgrad und Oberflächenimpedanz bei senkrechtem Einfall
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 32 - Determination of acoustical parameters of materials