Provides method of measuring the sound absorption coefficient of acoustical materials used as wall or ceiling treatments, or the equivalent sound absorption area of objects, such as furniture, persons or space absorbers, in a reverberation room.

Supersedes NBN EN 20354. (05/2004)

NBN S 01 009 : 1976

NBN EN 20354:1995

BS EN ISO 354:2003 - Identical

ISO 354:2003 - Identical

NEN EN ISO 354:2003 - Identical

SS EN ISO 354 Ed. 1 (2003) - Identical

ISO 354 : 2003(R2015) - Identical

DIN EN ISO 354 (2003-12) - Identical

ONORM EN ISO 354:2003 - Identical

I.S. EN ISO 354:2003 - Identical

UNI EN ISO 354:2003 - Identical

NS EN ISO 354 Ed. 2 (2003) - Identical

UNE EN ISO 354:2004 - Identical

NF EN ISO 354:2004 - Identical

SN EN ISO 354:2003 - Identical