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本帖最后由 mohuaheng 于 2011-12-4 07:51 编辑 , I8 Q4 l# J, I1 r
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VIA HD Audio VT2021 16-bit, 44 kHz, K) U" G) v9 B8 I6 ]
VIA HD Audio VT2021 16-bit, 48 kHz
# P* j+ X; t/ H; u4 @VIA HD Audio VT2021 24-bit, 44 kHz
! A6 i- q; k% I3 rVIA HD Audio VT2021 24-bit, 48 kHz
* h% ~# e( i5 A& `. a% `8 qRightMark Audio Analyzer test+ ~' x3 k4 \ ^4 `9 i3 P$ |2 r
Testing chain: External loopback (line-out - line-in)- j# ~8 e* K2 ]5 C6 c& f
Sampling mode: 16-bit, 44 kHz
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SummaryTest | VIA HD Audio VT2021 16-bit, 44 kHz | VIA HD Audio VT2021 16-bit, 48 kHz | VIA HD Audio VT2021 24-bit, 44 kHz | VIA HD Audio VT2021 24-bit, 48 kHz | Frequency response (from 40 Hz to 15 kHz), dB: | +0.04, -0.06 | +0.01, -0.06 | +0.05, -0.06 | +0.01, -0.06 | Noise level, dB (A): | -80.5 | -82.3 | -80.7 | -82.4 | Dynamic range, dB (A): | 80.5 | 82.2 | 80.6 | 82.3 | THD, %: | 0.011 | 0.0038 | 0.011 | 0.0047 | IMD + Noise, %: | 0.031 | 0.025 | 0.031 | 0.024 | Stereo crosstalk, dB: | -79.6 | -80.8 | -80.0 | -80.2 | 6 f# f1 ?/ w5 y4 c4 F9 I" I# B: g
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) L9 i8 G+ ?. W6 x1 A; f. mFrequency response
5 a1 A5 n3 S6 o- A pNoise level
( c7 a: k+ d% I2 R, c$ p9 z" wDynamic range
% D* F3 E7 D5 wTHD + Noise (at -3 dB FS)
% H4 z% a1 @, d, A/ R9 @Intermodulation distortion
. C2 D- W/ M2 F1 r) Y" t% lStereo crosstalk
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) Y. ]' X& F" w- `: zThis report was generated by RightMark Audio Analyzer 6.0
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不测了,把我的PCI螺丝给拧滑丝了,郁闷。
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