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发表于 2011-12-4 07:48
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本帖最后由 mohuaheng 于 2011-12-4 07:51 编辑
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5 N% `4 J% }5 d/ D/ e$ R' T1 P- _) WVIA HD Audio VT2021 16-bit, 44 kHz
+ Z) d2 \* B0 }9 lVIA HD Audio VT2021 16-bit, 48 kHz- i& M8 }$ ^! w
VIA HD Audio VT2021 24-bit, 44 kHz/ h w' m% S3 B# s
VIA HD Audio VT2021 24-bit, 48 kHz
, g. V2 r8 ~3 l( d M1 @% R, @RightMark Audio Analyzer test
4 P g( g6 @) l8 S# O( wTesting chain: External loopback (line-out - line-in)
8 j1 B) G: a% R) kSampling mode: 16-bit, 44 kHz& ]3 Z1 x* o# `0 e* ~. J6 E4 t
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4 n/ O8 T; U( {3 D) JSummaryTest | 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/ v: S2 }3 l8 F$ }, ~3 }/ M
Noise level
5 t/ [8 ^* q' z. t! Z! R% UDynamic range
9 I+ @2 J+ K6 |! YTHD + Noise (at -3 dB FS)
: B0 d6 c0 @, N6 z* |/ aIntermodulation distortion
5 z3 u( N$ u& ]' pStereo crosstalk
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This report was generated by RightMark Audio Analyzer 6.0: g0 ]$ F/ C6 }. ^0 d
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不测了,把我的PCI螺丝给拧滑丝了,郁闷。7 V' I- ^7 G) |+ @; a* D
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