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更正上帖table為1 octave (11 band),1/3 octave (31 band) A-weighting查找表如下:" b U' \" L* I( P! W$ `0 M' A- {
# ]5 M9 v- p' H {- c/ w g: HTone A-weight
6 ~, L9 U# ^# T# f20.0 Hz -50.50 dB% c9 W8 s/ z' ~* n( o; _9 Z
25.0 Hz -44.82 dB
5 I8 O9 x: d% S1 o- M( }& t31.5 Hz -39.52 dB
& n* g1 ^( m# Z6 t3 `# B40.0 Hz -34.54 dB0 x1 f1 z- N! o* H/ m1 C! J
50.0 Hz -30.27 dB
- ?: u, {, I0 Y& \% D! R9 R63.0 Hz -26.22 dB
) y% g% y- c# y h4 u) [# m80.0 Hz -22.40 dB, y) z6 [( H. W1 r
100.0 Hz -19.14 dB
& g$ Z# r7 I$ D6 D125.0 Hz -16.19 dB
) f' K$ f7 @+ ^- s+ j, @$ s. L160.0 Hz -13.24 dB
$ b3 _+ _5 W; f+ f! o* P4 S H3 B200.0 Hz -10.85 dB$ @/ v$ u3 Y" ~' O7 T4 g$ S
250.0 Hz -8.67 dB, H+ K3 e9 g ^2 H
315.0 Hz -6.64 dB' F, m& u% b7 d2 D
400.0 Hz -4.77 dB$ U: m& D: x+ n6 H M
500.0 Hz -3.25 dB
& A. z: f* ^6 L630.0 Hz -1.91 dB
( O) S0 P! {# L. `2 j; ~/ h800.0 Hz -0.79 dB9 K1 l+ d$ s: E# m% ^% {7 g
1,000.0 Hz 0.00 dB
! g* v$ N! Y; X8 m1,250.0 Hz 0.58 dB, n& h7 E6 H/ N' @& r9 [. }
1,600.0 Hz 0.99 dB" C% x: z0 a" b" P% U D
2,000.0 Hz 1.20 dB% k9 I" m3 g0 i
2,500.0 Hz 1.27 dB0 w' N2 i" L: R2 ^3 D
3,150.0 Hz 1.20 dB
) R' Y7 I) v$ r/ x4,000.0 Hz 0.96 dB
2 I5 m k0 o. C; U: G8 P: b5,000.0 Hz 0.55 dB
+ }4 S! H, l" |7 T% N }6,300.0 Hz -0.12 dB, |1 m1 n- B* U( p+ D
8,000.0 Hz -1.15 dB* [* h" K: F9 w' [8 a" M
10,000.0 Hz -2.49 dB4 y8 d5 d o/ V5 M! `( ?3 f# m/ n
12,500.0 Hz -4.25 dB
! w7 |; ~" _* O: L5 S, A: z% i1 v16,000.0 Hz -6.71 dB
; I& s; P1 l; U20,000.0 Hz -9.35 dB2 J1 F; }+ Z" i7 k8 U+ W3 I
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