40.20 DIS ballot initiated: 12 weeks Nov 12, 2026
CEN
CEN/TC 126 Acoustic properties of building elements and of buildings
European Norm
91.120.20 Acoustics in building. Sound insulation
This document specifies methods for the measurement of reverberation time and other room acoustical parameters in spaces for music, speech and other performance spaces. The measurement methods may also be applied for open-air performance spaces.
It describes the measurement procedure, the apparatus needed, the coverage required, and the method of evaluating the data and presenting the test report. It is intended for the application of modern digital measuring techniques and for the evaluation of room acoustical parameters derived from impulse responses.
PUBLISHED
EN ISO 3382-1:2009
IN_DEVELOPMENT
prEN ISO 3382-1
40.20
DIS ballot initiated: 12 weeks
Nov 12, 2026