Table 3.

The comparison between the measured and compensated phase when a chirp signal with a frequency range of 10,000 to 40,000 Hz and duration of 1 s was excited into the room - high pass filter is activated in this example.

Frequency interval [Hz]	Compensated phase [deg.]	Measured phase [deg.]
20,000	57.36	57.36
21,000	77.90	83.75
22,000	135.31	146.83
23,000	102.37	119.37
24,000	48.42	70.72
25,000	80.56	107.97
26,000	82.95	115.29
27,000	153.29	−169.64
28,000	5–112.60	−70.97
29,000	−142.17	−96.17
30,000	53.88	104.05
31,000	−85.16	−30.98
32,000	−90.60	−32.62
33,000	1.57	63.17
34,000	−56.32	8.72
35,000	133.02	−158.69
36,000	−3.314	68.04
37,000	153.75	−132.01
38,000	130.37	−152.70
39,000	−99.61	−20.18
40,000	164.93	−113.30