From: Speech intelligibility improvement in noisy reverberant environments based on speech enhancement and inverse filtering
Room type
Room size (m)
Volume (m3)
Temperature (°C)
T 60
(s)
Length
Width
Height
Anechoic chamber
8.4
7.2
6.0
363
22.7
< 0.08
Small classroom
8.5
7.5
3.2
204
23.2
0.65
Large classroom
12.0
9.0
346
23.4
1.39
Hall
16.5
11.5
1708
22.8
3.57