HVM200 Reference Manual Frequency Weighting Tables A-18
Fc (Flat 6.3 Hz to 1260 Hz), Wh, and Wf Frequency Weighting.
Freq
( Hz)
Fc Ideal
(dB)
Fc Typ
(dB)
Wh Ideal
(dB)
Wh Typ
(dB)
Tolerance
(dB)
Wf Ideal
(dB)
Wf Typ
(dB)
Tolerance
(dB)
0.7943 0.7943 -36.06 -36.00 -36.10 +2 / - -32.37 -32.08 +2 / -
1.000 1.000 -32.08 -31.99 -32.08 +2 / - -28.40 -30.95 +2 / -
1.259 1.259 -28.08 -27.99 -28.09 +2 / - -24.41 -26.39 +2 / -
1.585 1.585 -24.08 -23.99 -24.07 +2 / - -20.34 -21.30 +2 / -
1.995 1.995 -20.09 -20.01 -20.08 +2 / - -16.06 -17.28 +2 / -
2.512 2.512 -16.16 -16.05 -16.12 +2 / - -11.45 -12.58 +2 / -2
3.162 3.162 -12.31 -12.18 -12.26 +2 / - -6.86 -7.07 +2 / -2
3.981 3.981 -8.70 -8.51 -8.56 +2 / -2 -3.16 -3.56 +2 / -2
5.012 5.012 -5.50 -5.27 -5.32 +2 / -2 -0.92 -1.13 +4 / -1
6.310 6.310 -3.02 -2.77 -2.83 +2 / -2 0.04 -0.02 +1 / -1
7.943 7.943 -1.52 -1.18 -1.25 +2 / -2 -0.06 -0.12 +1 / -1
10.00 10.00 -0.67 -0.43 -0.46 +1 / -1 -1.41 -1.39 +1 / -1
12.59 12.59 -0.31 -0.38 -0.39 +1 / -1 -4.22 -4.21 +1 / -1
15.85 15.85 -0.12 -0.96 -0.99 +1 / -1 -8.22 -8.22 +1 / -1
19.95 19.95 -0.08 -2.14 -2.17 +1 / -1 -13.05 -12.96 +2 / -2
25.12 25.12 -0.06 -3.78 -3.83 +1 / -1 -18.73 -18.63 +2 / -2
31.62 31.62 -0.02 -5.69 -5.71 +1 / -1 -25.30 -25.22 +2 / -2
39.81 39.81 -0.03 -7.72 -7.75 +1 / -1 -32.57 -32.49 +2 / -
50.12 50.12 -0.03 -9.78 -9.80 +1 / -1 -40.26 -40.20 +2 / -
63.10 63.10 -0.03 -11.83 -11.86 +1 / -1 -48.14 -48.11 +2 / -
79.43 79.43 0.00 -13.88 -13.88 0 -56.11 -55.96 +2 /-
100.0 100.0 -0.01 -15.91 -15.92 +1 / -1
125.9 125.9 -0.04 -17.93 -17.97 +1 / -1
158.5 -0.02 -19.97 +1 / -1
199.5 0.00 -0.05 -19.94 -22.01 +1 / -1
251.2 0.00 -0.06 -21.95 -24.04 +1 / -1
316.2 -0.01 -0.05 -23.96 -26.06 +1 / -1
398.1 -0.02 -0.10 -25.98 -28.13 +1 / -1
501.2 -0.04 -0.15 -28.00 -30.21 +1 / -1
631.0 -0.11 -0.31 -30.07 -32.40 +1 / -1
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