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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 e) L/ n/ u- O" _6 g5 q- W6 c* G( ~0 @9 x/ ]/ `* M) n' y4 P
Tone A-weight# v* h' v" e! A, o
20.0 Hz -50.50 dB
$ Y2 ?/ G5 j; i9 |$ A25.0 Hz -44.82 dB
6 I- ]" h- ]: V/ w" v; Q1 U31.5 Hz -39.52 dB
- w& z9 ^5 P0 d* F40.0 Hz -34.54 dB
% U7 N+ V; N! L50.0 Hz -30.27 dB
# G% z ?: I# H3 w4 r( j63.0 Hz -26.22 dB
1 ?! f( W0 t y) {80.0 Hz -22.40 dB
, L* Q% W, u2 g, [100.0 Hz -19.14 dB
, c+ Z6 S1 g' Z2 {. ~. P) U9 E% m125.0 Hz -16.19 dB
( H; s8 } f7 X5 C8 X, w160.0 Hz -13.24 dB
8 G! B( w7 v( e' t5 N% g3 P200.0 Hz -10.85 dB0 A9 }/ y+ P6 J$ Q8 ^# Q3 q w0 ^
250.0 Hz -8.67 dB
' l8 A7 q3 S0 `8 l6 t$ W) j) I* d315.0 Hz -6.64 dB
+ R/ J3 d$ z, K3 W400.0 Hz -4.77 dB0 o: D7 C. E/ `' b: j& x4 C: s
500.0 Hz -3.25 dB
" F; H6 {' C3 ^630.0 Hz -1.91 dB+ o* I; e" I- n1 p; @9 Y
800.0 Hz -0.79 dB
. f! k1 ^, u6 w, C1,000.0 Hz 0.00 dB
$ F! [# a! X U, ~% l9 d1,250.0 Hz 0.58 dB( s7 s- @) g) O6 a/ a" O3 H% N, f
1,600.0 Hz 0.99 dB3 ?9 P4 N3 D- W* @
2,000.0 Hz 1.20 dB
0 o. j; `8 S3 b0 z# v2,500.0 Hz 1.27 dB
+ X& ]/ H* Y2 M- o! I3,150.0 Hz 1.20 dB! ]# B0 [- {7 @+ L
4,000.0 Hz 0.96 dB. }- N3 @8 G( Q- B6 _4 b, L) ], Z' @
5,000.0 Hz 0.55 dB/ U: g- X9 M4 S% ~, o$ ], @- E
6,300.0 Hz -0.12 dB
* G+ g, `; h3 ?8 C0 g2 A' Q8,000.0 Hz -1.15 dB
; @3 w& S) `. }6 H8 ^ g10,000.0 Hz -2.49 dB( R; E0 U# F4 m* _ @* u t2 d
12,500.0 Hz -4.25 dB
, s t: B4 t" }% u" n. J16,000.0 Hz -6.71 dB
- l: U' \ ]3 { n9 V20,000.0 Hz -9.35 dB( i( b/ x) g4 [4 R% p6 l
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