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本帖最后由 mohuaheng 于 2011-12-4 07:51 编辑
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- f$ H, e, m7 @+ s1 ~( dVIA HD Audio VT2021 16-bit, 44 kHz }( O' U; H* I8 A7 q* G
VIA HD Audio VT2021 16-bit, 48 kHz
* s9 [0 Z7 D N" nVIA HD Audio VT2021 24-bit, 44 kHz1 ?+ V, H+ X5 y- o" }3 s0 L. u
VIA HD Audio VT2021 24-bit, 48 kHz; u0 o1 g4 i2 ~; k+ c2 W
RightMark Audio Analyzer test$ ?( Z B% a! Z' ^; y; K
Testing chain: External loopback (line-out - line-in)- d% U0 C9 R- u ]5 X! C1 x8 }
Sampling mode: 16-bit, 44 kHz8 u- a7 b+ d8 I" r6 F
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; v# K& M" g+ b( g: cSummary| Test | 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 |
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Frequency response, ]7 Z$ i# X& F4 O5 q' X
Noise level: R6 L4 }0 a* Y7 {( j
Dynamic range( D6 D. [; @6 C' f! [ P( J% {
THD + Noise (at -3 dB FS)$ |5 P! m% Q3 [( u+ a; ^$ v
Intermodulation distortion: A: b" U6 n# l7 @) ^
Stereo crosstalk
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This 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。/ W8 Z1 Q! ?8 z5 }/ N9 F1 ?
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