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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:$ X' w: h% e: b$ @
^- p% B' W9 Y1 J$ t
Tone A-weight8 L/ S0 L$ t+ x+ M1 H6 |
20.0 Hz -50.50 dB
4 o7 L* Z) o4 z3 r1 r$ x- M25.0 Hz -44.82 dB4 {1 I. C8 e* u- g1 `/ K
31.5 Hz -39.52 dB$ i2 U5 T3 l) `, Y2 l# X
40.0 Hz -34.54 dB( J0 d, e4 a" v1 G- V4 @ k( a* {
50.0 Hz -30.27 dB
' S! a7 f3 }( Z/ b t" f* t63.0 Hz -26.22 dB
& [% s. {, L( g2 S80.0 Hz -22.40 dB. b# l' }9 V2 e- C
100.0 Hz -19.14 dB
0 I- @# @/ c, F, |3 q125.0 Hz -16.19 dB
/ X; n& Y1 E# a( i; u G160.0 Hz -13.24 dB
6 o$ C6 K; j3 `200.0 Hz -10.85 dB
3 u$ ^0 H8 h, M' Y" V5 p" u250.0 Hz -8.67 dB
7 d! I: m; }& S1 K: \ H2 ^315.0 Hz -6.64 dB% x7 y5 [ ]* T" j
400.0 Hz -4.77 dB
5 y9 ?- I+ P! t+ j. D* O1 ], ]500.0 Hz -3.25 dB( R" @; r$ g. D6 p$ H5 l
630.0 Hz -1.91 dB
8 t( p; Q, \" @' n800.0 Hz -0.79 dB& _# } P6 ]! U% ^" e
1,000.0 Hz 0.00 dB
8 a1 z- e! r1 D0 u- A1,250.0 Hz 0.58 dB# {" \( l H: R; o$ ?) l/ v0 }
1,600.0 Hz 0.99 dB
+ {+ q0 L2 J \) R2,000.0 Hz 1.20 dB \ Y. p. K( P3 { |# c
2,500.0 Hz 1.27 dB
* R& M# J0 ]" F8 o( c3,150.0 Hz 1.20 dB, ^, @" G3 I: `/ P
4,000.0 Hz 0.96 dB
3 N7 u( u, [8 s/ u5,000.0 Hz 0.55 dB1 h! X1 m7 h3 K
6,300.0 Hz -0.12 dB
6 ?" T2 W/ Q1 g0 I8,000.0 Hz -1.15 dB
1 s" \, v) }2 ~4 p+ Q5 \) a2 ?/ o, P10,000.0 Hz -2.49 dB
* J4 }" k1 m" U2 ^& { q/ S12,500.0 Hz -4.25 dB4 v. T; T8 V+ D% {
16,000.0 Hz -6.71 dB, v. o3 U1 o+ [ [& v: t2 o8 f
20,000.0 Hz -9.35 dB7 z' I6 S2 T9 m
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