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被上面那么一说……
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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
$ `% i% I- L' w; x0 ^( V* B! ]（凤飞飞 - 追梦人.ape -> ape.wav、凤飞飞 - 追梦人.flac -> flac.wav ）
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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，?.?
% J4 m) c% h- P（foobar2000 0.9.6.1 release + official APE components）
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. S8 d5 U5 K& U4 |- T% GD:auCDtect-0.8>aucdtect -m0 -v ape.wav- ^' q( ?. T& s; S, y/ ` e3 U9 [) i
auCDtect: CD records authenticity detector, version 0.8.2* _% _: ~. {& N7 E
Copyright (c) 2004 Oleg Berngardt. All rights reserved.5 o9 a, }, Y6 v& l0 X( [
Copyright (c) 2004 Alexander Djourik. All rights reserved.
4 X9 t6 n" G3 {; [7 p$ X( N------------------------------------------------------------
# S2 t5 E6 `' y; LProcessing file: [ape.wav]
" R, A. b# e2 @1 n9 M/ ODetected average hi-boundary frequency: 2.027745e+004 Hz
0 }4 q) l' N- `, s2 TDetected average lo-boundary frequency: 1.371987e+004 Hz, o5 w3 ]$ u& a5 @5 d
Detected average hi-cut frequency: 2.150088e+004 Hz
: C9 q3 q8 V! R* s5 \; sDetected average lo-cut frequency: 1.319299e+004 Hz3 R, _& O: f7 s2 v" N( x* k
Maximum probablis boundary frequency: 2.189100e+004 Hz
+ z, {" i4 v- aCoefficient of nonlinearity of a phase: 4.493146e-001
# a+ r2 t9 S& S7 n+ [# OFirst order smothness: 3.350849e-001
# y" X, [% u+ N# zSecond order smothness: 7.332255e-001) E* l+ }) r. f: s" ~& A% a0 ~
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------------------------------------------------------------
' C; [! Q! W/ j4 s. D: w% U- V' u7 wThis track looks like CDDA with probability 100%& u3 I0 I. o; H8 G6 F0 B
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D:auCDtect-0.8>aucdtect -m0 -v flac.wav
9 U# t4 {" E: }; h8 _) w, a! P# TauCDtect: CD records authenticity detector, version 0.8.2
/ O8 t5 j/ H; O' I$ x7 gCopyright (c) 2004 Oleg Berngardt. All rights reserved./ ~8 P! J9 f% u" B/ s+ \/ D3 y
Copyright (c) 2004 Alexander Djourik. All rights reserved.0 s2 q. K& q7 U" u. I# u
------------------------------------------------------------
, O8 y. p7 q7 W" z, Z$ e( t) ?Processing file: [flac.wav]
5 }$ ^2 v1 t5 j9 S1 X/ B0 p4 z$ GDetected average hi-boundary frequency: 2.027954e+004 Hz% T* S6 s5 h' e# \. s) C( N0 e
Detected average lo-boundary frequency: 1.341898e+004 Hz
. R1 j( u+ G. l4 w k- j/ vDetected average hi-cut frequency: 2.148974e+004 Hz- G6 N" d& N' c1 m% v" W
Detected average lo-cut frequency: 1.314688e+004 Hz
8 T5 E3 P9 }* n7 T) _Maximum probablis boundary frequency: 2.189100e+004 Hz
# E( I0 Y1 g; L; q& FCoefficient of nonlinearity of a phase: 9.712716e-001# w3 k) Q# S% L- i/ L: |
First order smothness: 3.336029e-001+ v' n; X7 o; d2 p2 E9 m
Second order smothness: 7.294784e-0018 F) l$ o0 q9 K, ` o, e( n
6 T& X8 d! G6 d* t, {. ^+ n! d( w------------------------------------------------------------
. \5 N6 o: J% N- [4 G8 x+ qThis track looks like CDDA with probability 100%8 x5 Q# {: U8 i( D. v
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IP卡
狗仔卡
发表于 2008-12-29 21:13
显身卡