Table 1.

Energy absorption input parameters (early and late α) for the room simulation model and resulting room acoustic parameters (T₆₀ and C₅₀) estimated from model BRIR outputs for each simulated room (R1–R3).

Room	Center frequency (Hz)	R1	R2	R3
Early alpha	Broadband	0.390	0.290	0.041
Late alpha	125	0.533	0.400	0.057
	250	0.400	0.300	0.043
	500	0.400	0.300	0.043
	1000	0.400	0.300	0.043
	2000	0.293	0.220	0.031
	4000	0.267	0.200	0.029
T60 (s)	Broadband	0.316	0.420	2.966
	125	0.364	0.447	2.655
	250	0.293	0.412	2.750
	500	0.328	0.429	2.748
	1000	0.368	0.487	3.015
	2000	0.317	0.444	3.430
	4000	0.096	0.135	1.581
C50 (dB)	Broadband	25.8	13.4	−6.6
	125	8.5	−6.0	−23.5
	250	11.1	0.5	−17.8
	500	11.1	−0.4	−19.1
	1000	8.9	−2.8	−21.5
	2000	27.5	14.5	−3.8
	4000	42.3	29.5	20.5