BS EN 20354:1993被替代
Acoustics. Measurement of sound absorption in a reverberation room
出版：British Standards Institution
专家解读视频
Determination of the sound absorption coefficient of acoustical materials used as wall or ceiling treatments, or the equivalent sound absorption area of objects, such as furniture, or persons, in a reverberation room. Not intended for measuring the absorption characteristics of weakly damped resonators.
© British Standards Institution 2013
Amendment notes:
AMD 7781 published 15 September 1993
AMD 9974 is not available separately
Document identifier notes:
Formerly BS 3638:1987.
ISO 354:2003 - Similar
UNI EN 20354:1993 - Identical
NF EN 20354:1993 - Identical
I.S. EN 20354:1994 - Identical
NBN EN 20354:1995 - Identical
DIN EN 20354 (1993-07) - Identical
SN EN 20354:1997 - Identical
ONORM EN 20354:1993 - Identical
ISO 354:1985 - Identical
UNE EN 20354:1994 - Identical
SS EN 20354:1994 - Identical
