|
原帖由 yccw 于 2005-11-15 09:50 发表
/ p, f7 H+ @% S- r; q: G4 x! o" v+ w7 M$ u; j7 w
" W. {8 ~* T5 W: Z' @- |
:sweatingbullets:1212M是输出的高频衰减啊
& f8 g9 @# t4 g; Y6 n6 j/ U# T3 {5 F; X, X" h0 e2 L; B, H2 _
录音是平的
; M' k) m3 Z j D$ e# `* H% ]证明:(RMAA频响)8 @* ^3 w9 l2 N0 g) {- s9 i
" v. b& N* p1 @; ^
1212m自环:+0.03, -0.21
+ y- f; X0 H: Y4 c$ a Live! 24bit->LynxTwo频响:+0.03, -0.23 (LynxTwo与1212M的ADC相同)
& z6 v0 U) U0 R) e% f- d A2 ZS 自环:+0.01, -0.05 (A2 ZS与Live! 24bit的DAC相同)& i1 B5 a, S9 |/ Q2 f
' Q: ]- |$ U5 @) L$ F
得证:1212m的ADC有-0.20db左右衰减
. t y% s6 m! N+ S; {8 s9 K
3 E8 A- Z" C; ]5 z7 |- Q& q; v* D 参考文献:; ~6 f' J9 p" A/ {. t. y3 ]
http://www.kordak.net/0404/1212M_24_48_Balanced.htm
/ b6 x+ C; }: z* _ http://www.ixbt.com/multimedia/creative-live!24bit.shtml9 _) [# U* f; b% b& F, t
http://www.ixbt.com/multimedia/creative-audigy2-zs.shtml |
|