Larson Davis SoundAdvisor 831C Reference Manual page 228

Table B.2 Directional Response of 3 ½-inch Windscreen
0.10
3981.07
0.03
4216.97
0.00 -0.07 -0.07 -0.07 -0.17 -0.07 -0.10 -0.10 -0.07 0.00 -0.07 0.00 0.00
4466.84
-0.30 -0.20 -0.17 -0.23 -0.27 -0.30 -0.30 -0.43 -0.27 -0.20 -0.37 -0.20 -0.20
4731.51
-0.17 -0.20 -0.17 -0.30 -0.27 -0.23 -0.40 -0.33 -0.37 -0.40 -0.37 -0.30 -0.30
5011.87
0.00 -0.10 -0.07 -0.23 -0.30 -0.33 -0.40 -0.43 -0.47 -0.50 -0.60 -0.43 -0.43
5308.84
0.00 -0.07 -0.03 -0.17 -0.20 -0.33 -0.37 -0.43 -0.47 -0.50 -0.53 -0.43 -0.43
5623.41
0.17
5956.62
0.10
6309.57
0.13
6683.44
0.03
7079.46
-0.10 -0.10 -0.07 -0.03 -0.07 -0.03 -0.20 -0.23 -0.27 -0.20 -0.27 -0.10 -0.10
7498.94
-0.30 -0.37 -0.30 -0.23 -0.33 -0.23 -0.33 -0.40 -0.37 -0.33 -0.33 -0.20 -0.17
7943.28
-0.40 -0.37 -0.37 -0.43 -0.53 -0.43 -0.57 -0.57 -0.57 -0.50 -0.43 -0.23 -0.37
8413.95
-0.40 -0.50 -0.37 -0.53 -0.67 -0.63 -0.70 -0.73 -0.73 -0.80 -0.73 -0.50 -0.50
8912.51
-0.37 -0.40 -0.37 -0.50 -0.67 -0.70 -0.70 -0.83 -0.77 -0.90 -0.93 -0.77 -0.60
9440.61
10000.00 -0.13 -0.20 -0.27 -0.43 -0.57 -0.57 -0.77 -0.83 -0.77 -0.90 -0.97 -0.90 -0.70
10592.54 -0.20 -0.20 -0.17 -0.40 -0.47 -0.47 -0.70 -0.83 -0.83 -0.83 -0.97 -0.87 -0.70
11220.18 -0.47 -0.43 -0.37 -0.43 -0.53 -0.47 -0.70 -0.90 -0.77 -0.80 -0.77 -0.90 -0.67
11885.02 -0.67 -0.73 -0.63 -0.60 -0.73 -0.57 -0.83 -0.90 -0.83 -0.87 -0.73 -0.70 -0.70
12589.25 -0.57 -0.73 -0.83 -0.87 -0.97 -0.97 -1.00 -1.00 -1.00 -1.17 -1.07 -0.90 -0.90
13335.21 -0.70 -0.67 -0.63 -0.83 -1.00 -1.17 -1.10 -1.07 -1.07 -1.37 -1.53 -1.20 -1.13
14125.38 -0.40 -0.50 -0.57 -0.60 -0.90 -1.00 -1.00 -1.20 -1.17 -1.37 -1.63 -1.47 -1.20
14962.36 -0.70 -0.73 -0.53 -0.73 -0.97 -0.90 -1.10 -1.33 -1.23 -1.50 -1.53 -1.43 -1.13
15848.93 -0.90 -0.90 -0.97 -1.03 -1.27 -1.13 -1.30 -1.60 -1.37 -1.57 -1.37 -1.40 -1.17
16788.04 -0.90 -1.07 -1.00 -1.30 -1.33 -1.47 -1.50 -1.53 -1.40 -1.70 -1.77 -1.43 -1.43
17782.79 -0.87 -0.93 -0.93 -1.10 -1.33 -1.53 -1.70 -1.57 -1.67 -1.73 -2.30 -2.00 -1.70
18836.49 -0.90 -1.10 -0.90 -1.10 -1.43 -1.43 -1.70 -1.83 -1.80 -1.83 -2.13 -2.27 -1.77
19952.62 -1.27 -1.30 -1.13 -1.47 -1.73 -1.67 -2.07 -2.30 -1.97 -2.23 -2.13 -1.97 -1.67
1. The corrections which should be subtracted from the measured data when using the Larson-Davis Model
½
WS001 3 -inch diameter windscreen with a
ing table
SoundAdvisor Model 831C
0.10 0.13 0.13 0.00
0.00 0.10 0.03 -0.10 0.07
0.07 0.10 -0.13 -0.17 -0.23 -0.33 -0.37 -0.43 -0.50 -0.57 -0.50 -0.40
0.20 0.23 -0.03 -0.07 -0.03 -0.10 -0.33 -0.37 -0.40 -0.47 -0.40 -0.30
0.10 0.20 0.07 -0.03 -0.03 -0.13 -0.17 -0.27 -0.33 -0.40 -0.40 -0.20
0.07 0.07 0.07 0.03
0.13 0.10 0.10
0.00 -0.03 0.07
0.00 -0.10 -0.13 -0.17 -0.27 -0.27 -0.23 -0.13
½
-inch Larson-Davis microphone are as indicated in the follow-
0.23 0.20 0.13 0.27 0.23
0.03 0.03 0.10 0.13
B-5