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本帖最后由 mohuaheng 于 2011-12-4 07:51 编辑 : y) P% t/ Z* ?! B7 j
$ G K, m& u1 X' j) HVIA HD Audio VT2021 16-bit, 44 kHz+ a$ c9 ^: A- K5 n/ i
VIA HD Audio VT2021 16-bit, 48 kHz
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3 [) y5 w+ I4 f. s+ WVIA HD Audio VT2021 24-bit, 48 kHz5 l7 r0 R0 o0 e( M9 O) i# B
RightMark Audio Analyzer test
7 S, @ |% J; z: M0 YTesting chain: External loopback (line-out - line-in)5 F( l, i* ~* i: u( y0 p
Sampling mode: 16-bit, 44 kHz
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6 A, M$ y2 r( K" s) _- [Summary| 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
: m, p1 J- u, S# sNoise level3 R- j8 _3 s1 ]1 I
Dynamic range% U4 n/ ~& ^! i, L7 D
THD + Noise (at -3 dB FS)4 D# f3 ]& r0 V x. W
Intermodulation distortion' e& y3 X Q3 `0 A o3 h
Stereo crosstalk
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This report was generated by RightMark Audio Analyzer 6.0
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# [& K8 I& J. Q不测了,把我的PCI螺丝给拧滑丝了,郁闷。
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