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本帖最后由 mohuaheng 于 2011-12-4 07:51 编辑 $ ^( c" o# X& \" i% p
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VIA HD Audio VT2021 16-bit, 44 kHz
- I$ f. s9 y9 ^* U% ~VIA HD Audio VT2021 16-bit, 48 kHz
: E' ] T8 b! CVIA HD Audio VT2021 24-bit, 44 kHz
. S% r% T0 Q% ?2 S/ ]VIA HD Audio VT2021 24-bit, 48 kHz" |0 ^5 U/ K" m7 \ {2 \
RightMark Audio Analyzer test
6 H0 D+ C& i6 gTesting chain: External loopback (line-out - line-in)0 {. o9 p' n; H$ b! ]
Sampling mode: 16-bit, 44 kHz- R' ]8 }# c9 \, q5 w3 y
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6 W+ k' k: v5 K% F8 VSummaryTest | 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 | 1 q( i9 U5 p+ T8 J3 q8 q+ c( q
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2 F7 r5 | U# ZFrequency response
' `4 u0 M( K9 A- b3 }2 NNoise level
* Z6 l/ d& r4 }% [- wDynamic range# y9 E/ T2 P K, F' \
THD + Noise (at -3 dB FS)
" ^2 h$ }( r+ p* q( F% d* rIntermodulation distortion6 y! y% _, ~! o6 P7 Y! Y; J
Stereo crosstalk
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This report was generated by RightMark Audio Analyzer 6.0
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) h& i; G; T. n5 S( @0 b( Y不测了,把我的PCI螺丝给拧滑丝了,郁闷。
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