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被上面那么一说……; w& T' \0 ?8 v& X+ P- t
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同歌ape和flac，还原回wave，文件大小都是40,924,844字节，MD5不同
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两份auCDtect 0.8慢检报告如下，哪个更好点？ 2元的两元店地摊级耳麦却听出了差别，?.?
! c6 O' M% g5 A（foobar2000 0.9.6.1 release + official APE components）
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D:auCDtect-0.8>aucdtect -m0 -v ape.wav
# p8 ~' A/ `6 j) q% ~auCDtect: CD records authenticity detector, version 0.8.2! [6 D7 m" i7 o* Q$ F* S* n+ X
Copyright (c) 2004 Oleg Berngardt. All rights reserved.
, G( l1 T+ H2 i# A P! X4 k. RCopyright (c) 2004 Alexander Djourik. All rights reserved.
! [: T% L8 f& q2 D! I------------------------------------------------------------
) M8 R# M/ V k$ H% R. n; G$ LProcessing file: [ape.wav]( V" D/ ]4 h) ?- Y/ g# T7 P
Detected average hi-boundary frequency: 2.027745e+004 Hz
( \7 t8 s9 A7 d `. kDetected average lo-boundary frequency: 1.371987e+004 Hz2 w( Q4 N0 |2 L3 |: l) g
Detected average hi-cut frequency: 2.150088e+004 Hz
& }/ x* f7 l1 O! s/ O7 YDetected average lo-cut frequency: 1.319299e+004 Hz
+ a# U# X: R7 |* qMaximum probablis boundary frequency: 2.189100e+004 Hz
' u# N7 \8 g7 F( M* ]. n: NCoefficient of nonlinearity of a phase: 4.493146e-001* m5 w; `! F# K- a4 ?. g
First order smothness: 3.350849e-001# t {: V8 l& v; E# F) E
Second order smothness: 7.332255e-001
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8 X+ U0 ~% a& Q2 ]/ k. M2 KThis track looks like CDDA with probability 100%# f' G, ]& T9 h" O* c
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D:auCDtect-0.8>aucdtect -m0 -v flac.wav) w7 z' f; L4 g; y
auCDtect: CD records authenticity detector, version 0.8.2& |' N' Z. W/ A" i
Copyright (c) 2004 Oleg Berngardt. All rights reserved.* x! e) j) M& a" M' W2 w* Q
Copyright (c) 2004 Alexander Djourik. All rights reserved.
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0 X8 v- @7 Y' C$ |2 I3 EProcessing file: [flac.wav]; D9 d6 G! f G& j: F) d
Detected average hi-boundary frequency: 2.027954e+004 Hz1 Y8 `! n& o; [3 P3 A5 H6 b2 B ?
Detected average lo-boundary frequency: 1.341898e+004 Hz6 y3 k2 X: P5 H1 R0 L% J$ T3 o$ }
Detected average hi-cut frequency: 2.148974e+004 Hz
" Y/ q! X8 V0 z _9 j4 ]Detected average lo-cut frequency: 1.314688e+004 Hz- s2 [( |5 h6 c" a. h6 E6 L* x5 C
Maximum probablis boundary frequency: 2.189100e+004 Hz' R3 ~' O' ?& o" V4 a* {
Coefficient of nonlinearity of a phase: 9.712716e-001
) R @2 ?$ c( |2 p* c1 G3 |First order smothness: 3.336029e-001
% b1 s! S/ j% Z8 M$ kSecond order smothness: 7.294784e-001
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1 N4 |7 j0 C" e- K$ ]6 o/ lThis track looks like CDDA with probability 100%: \" P6 d/ J# P& v/ |# X- k
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IP卡
狗仔卡
发表于 2008-12-29 21:13
显身卡