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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:
! I. x i( L& i# M
/ i" g% i5 P% e1 S% X J0 HTone A-weight
; I; x2 |" P; J4 J& ~20.0 Hz -50.50 dB3 ^& A% x! H, |$ ~7 K
25.0 Hz -44.82 dB$ c( N7 R4 u1 Z1 i
31.5 Hz -39.52 dB
- k4 n8 u, H/ k3 \& W/ v B40.0 Hz -34.54 dB
' ?& ^8 C# ~+ o* v50.0 Hz -30.27 dB9 w- g, t R R# G
63.0 Hz -26.22 dB0 c0 ]( I5 u9 h/ g4 E/ [
80.0 Hz -22.40 dB
$ O4 n$ v# C& `2 w$ y7 L: ?100.0 Hz -19.14 dB
7 S. x9 m" v" X125.0 Hz -16.19 dB1 D f& g, ^! ^! v9 K
160.0 Hz -13.24 dB
, d3 K0 L# L; d/ H! J200.0 Hz -10.85 dB p' ?9 u r8 _1 Y2 X
250.0 Hz -8.67 dB
9 r7 A4 O; }6 ]" s315.0 Hz -6.64 dB
3 _6 R. y) u) N& S6 x& k400.0 Hz -4.77 dB
1 i" J* ?+ w4 k5 z6 K. r500.0 Hz -3.25 dB/ c5 Q! B7 O) [- p$ `% g; N
630.0 Hz -1.91 dB
4 l1 B' E: P" i/ j) U8 O: _800.0 Hz -0.79 dB8 T1 M' e5 S+ a/ T
1,000.0 Hz 0.00 dB
# e8 y7 P ~( n4 u& x/ M1,250.0 Hz 0.58 dB4 c$ ?4 O4 `% T( g. J% P# S
1,600.0 Hz 0.99 dB4 S8 O i& l2 Q
2,000.0 Hz 1.20 dB
- J% o. S" f# W2 o& j2,500.0 Hz 1.27 dB
' Y4 L8 M" L- [7 {3,150.0 Hz 1.20 dB; I; \7 G, G; @. L
4,000.0 Hz 0.96 dB0 b2 n) e9 \6 t/ \
5,000.0 Hz 0.55 dB
4 x# s% U; F0 t* f f, a' m6,300.0 Hz -0.12 dB( ~4 [2 F ~3 w! W
8,000.0 Hz -1.15 dB4 ^7 Q$ U1 [/ h! \+ Z
10,000.0 Hz -2.49 dB3 t( r( d+ R- A O3 x7 \
12,500.0 Hz -4.25 dB6 x- x+ x3 L8 y
16,000.0 Hz -6.71 dB
& K0 }: Q9 Z7 N H2 K20,000.0 Hz -9.35 dB
' S8 g* x, j, g |
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