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本帖最后由 mohuaheng 于 2011-12-4 07:51 编辑 $ v5 u) ^; x- y4 g! b; U
" V* C4 V) N v4 D9 WVIA HD Audio VT2021 16-bit, 44 kHz
( l3 u6 r# L, jVIA HD Audio VT2021 16-bit, 48 kHz( N+ B; }2 s4 n
VIA HD Audio VT2021 24-bit, 44 kHz: `: }- D, D+ K1 N/ R9 D
VIA HD Audio VT2021 24-bit, 48 kHz! P+ ~+ G, E& Y( j
RightMark Audio Analyzer test
/ O0 f! b5 S3 k+ P. fTesting chain: External loopback (line-out - line-in)
3 ~& h$ w! X! R7 f4 _! h; Y) e$ X. bSampling mode: 16-bit, 44 kHz/ P% a' \" i" m& E" a# e
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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 | % ^ t8 y; F, _; O& ~; s
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Frequency response# ^* n: g5 q5 k m, I9 v0 a+ N
Noise level2 e3 t4 o" N% ]) u6 g1 m
Dynamic range
V1 Z+ X3 T6 L: V: xTHD + Noise (at -3 dB FS)
/ [1 F4 z; F: ^! z% d" ]# pIntermodulation distortion! h& P1 u& M) T) W* W
Stereo crosstalk
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This report was generated by RightMark Audio Analyzer 6.08 L1 t8 N2 d% P& q- N, L9 ~
2 _9 N1 @( ~7 z2 E3 {不测了,把我的PCI螺丝给拧滑丝了,郁闷。
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