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A2自身环路测试(输出录输入),应该不是系统的问题,AUDIGY2的输入确实比不上SBLIVE!24B# D m0 @& n& d6 q
SB0240 16-bit, 44.1 kHz
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SB0240 24-bit, 44.1 kHz+ e8 D* s( ]8 ?. n; ]
SB0240 24-bit, 48 kHz# p4 G ^1 a* T( \$ |$ E8 N9 T
RightMark Audio Analyzer test
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Sampling mode: 16-bit, 44 kHz& @9 |, {* {3 A8 T% n( J8 d
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SummaryTest | SB0240 16-bit, 44.1 kHz | SB0240 16-bit, 48 kHz | SB0240 24-bit, 44.1 kHz | SB0240 24-bit, 48 kHz | Frequency response (from 40 Hz to 15 kHz), dB: | +0.12, -0.35 | +0.15, -0.45 | +0.12, -0.35 | +0.15, -0.44 | Noise level, dB (A): | -89.4 | -89.7 | -90.8 | -91.2 | Dynamic range, dB (A): | 89.3 | 89.7 | 90.7 | 91.1 | THD, %: | 0.0036 | 0.131 | 0.0035 | 0.131 | IMD + Noise, %: | 0.043 | 0.256 | 0.042 | 0.256 | Stereo crosstalk, dB: | -90.2 | -90.2 | -93.0 | -92.4
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