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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: M; w8 s; z$ }/ m Z
（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，?.?. a' V. y. S" p7 L1 i3 H4 X
（foobar2000 0.9.6.1 release + official APE components）
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) J# U: V% q8 n* L: c% TD:auCDtect-0.8>aucdtect -m0 -v ape.wav2 Z9 m5 f8 F9 W" r, l7 X4 d
auCDtect: CD records authenticity detector, version 0.8.2
: N$ b2 W- d) S5 B$ ^; bCopyright (c) 2004 Oleg Berngardt. All rights reserved." Y4 k- u4 O$ R" O+ e( J! t$ ]
Copyright (c) 2004 Alexander Djourik. All rights reserved.
8 V* g6 T: c& M& M6 o4 f: A------------------------------------------------------------
3 S) \, m+ Y2 | X7 s+ CProcessing file: [ape.wav]
! Q7 ^2 u/ m8 L X ODetected average hi-boundary frequency: 2.027745e+004 Hz" |7 I9 Q; m8 T* }
Detected average lo-boundary frequency: 1.371987e+004 Hz8 O5 t! }. X) M+ ~: h! m6 Q
Detected average hi-cut frequency: 2.150088e+004 Hz3 `6 ~7 }6 M/ B" A7 q# { y a
Detected average lo-cut frequency: 1.319299e+004 Hz5 y- W/ C& T3 T4 N, A1 B: [9 p
Maximum probablis boundary frequency: 2.189100e+004 Hz- ^5 f! }; ?# p3 F$ k# A: L. M
Coefficient of nonlinearity of a phase: 4.493146e-0012 K7 l' f' }' R, J$ M: b
First order smothness: 3.350849e-0012 }) j$ @ X1 Y- s3 `6 S8 @% Z9 r
Second order smothness: 7.332255e-001! S7 {$ S% @! F5 f4 @8 ~: Q4 t
j$ E: h' p$ M2 [6 c) e* _% v0 I- \9 }------------------------------------------------------------
! z& T5 {0 V- I: k9 r8 n8 IThis track looks like CDDA with probability 100%
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D:auCDtect-0.8>aucdtect -m0 -v flac.wav+ f( J B- e; P, d, B- M; Z
auCDtect: CD records authenticity detector, version 0.8.2
, A3 J0 h3 {1 {% P+ b) `Copyright (c) 2004 Oleg Berngardt. All rights reserved./ @+ d5 W4 V6 w& G, l( V8 u$ _
Copyright (c) 2004 Alexander Djourik. All rights reserved.+ C, g0 ]* m9 X- K( |2 O2 D; \
------------------------------------------------------------
! Y2 z; Q" p+ @0 Z" jProcessing file: [flac.wav]
/ R. ?% o& K; M. A, tDetected average hi-boundary frequency: 2.027954e+004 Hz% [9 P3 T- \7 A8 |5 P4 ~' V
Detected average lo-boundary frequency: 1.341898e+004 Hz3 z% x V2 q) R" K& o5 C
Detected average hi-cut frequency: 2.148974e+004 Hz
* \# m! X9 ?' i, `$ L& L0 c1 yDetected average lo-cut frequency: 1.314688e+004 Hz
\0 I U f& ?7 N: T MMaximum probablis boundary frequency: 2.189100e+004 Hz
+ O- ^+ {# ]' k2 Z, J9 D5 d3 |Coefficient of nonlinearity of a phase: 9.712716e-001* @& F1 T: o8 W% v
First order smothness: 3.336029e-001
# X; e7 b+ {; t9 U! ?# j& oSecond order smothness: 7.294784e-001 w! Q8 ^0 b* a
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------------------------------------------------------------
& ?& I# v9 S& Q& ?" m' V& LThis track looks like CDDA with probability 100%
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IP卡
狗仔卡
发表于 2008-12-29 21:13
显身卡