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本帖最后由 mohuaheng 于 2011-12-4 07:51 编辑
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* \) E+ O ]+ o, Q! pVIA HD Audio VT2021 16-bit, 44 kHz" c2 P5 V' m7 E! p( k" W
VIA HD Audio VT2021 16-bit, 48 kHz- i9 f& F3 r H' j. b8 A' m
VIA HD Audio VT2021 24-bit, 44 kHz
' n+ k( C6 K, Y8 f9 nVIA HD Audio VT2021 24-bit, 48 kHz
: a9 `* H+ f+ W# c' R+ nRightMark Audio Analyzer test
/ P% I& D9 G) N( v8 X- u0 a; J2 }1 aTesting chain: External loopback (line-out - line-in)9 P3 z- W9 q& ~1 U( C5 P+ Q
Sampling mode: 16-bit, 44 kHz
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; ~/ R, K" c* Q6 p- L" x2 fSummaryTest | 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 | 8 z3 x+ [$ }: m6 D
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5 R8 `6 s$ V% ?. V3 ~Frequency response
) R' A7 e0 F" m9 q9 c6 d/ p( ENoise level% V* t& q/ N2 Q
Dynamic range
) B1 u; b& q' W1 V' `6 @! W3 zTHD + Noise (at -3 dB FS)! q- n/ {/ K' t5 y) o+ V4 Z
Intermodulation distortion9 B0 L' |" u* ?+ E3 d4 s* H, J
Stereo crosstalk- F7 v4 m! B6 o7 d
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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。+ i, q9 f- H; J5 {" d. C& b5 l
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