Sound - Reverberation Time

Calculate reverberation time in a room - the time it takes for sound pressure level to decrease by 60 dB after the sound source stops. Supports two formulas based on mean sound absorption coefficient.

Calculator

Inputs

Room Volume (m³)

Total Sound Absorption (m² Sabine)

Mean Sound Absorption Coefficient (αm)

Results

Reverberation Time (Ta)-- s

Room Type	Room Volume (m³): 10000	Room Volume (m³): 1000	Room Volume (m³): 100
Conference room, school, cinema	1.0	0.8	0.6
Concert Hall, Normal Music	1.5	1.3	1.1
Church, Organ Music	2.0	1.6	1.2