test
Sound Absoption
01
Sound absorption measurement in the reverberation chamber
Tipo:
Norma di prova
Standard:
UNI EN ISO 354:2003
Clienti:
This method tests the ability of an element to absorb the sound energy emitted by the source. The evaluation index expressed is the weighted sound absorption coefficient according to UNI EN ISO 11654:1998 is αw, which is assigned a class as follows: Class: A / αw – Values 0.90; 0.95; 1.00 / Absorption class: highly […]