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当然是Music版的,EP上不起,嘿嘿~! B0 d! r; u0 d' h1 O1 ]# o: x
左一是XP下的,右一是Vista下的,THD和IMD差好多啊,为什么呢?这个是1644的数据。; a t( K, f! _
SummaryTest | [DirectSound] SB X-Fi Audio [E800] | Realtek High Definition Audio | [DirectSound] Speakers (Creative SB X-Fi) | Frequency response (from 40 Hz to 15 kHz), dB: | +0.02, -0.08 | +0.16, -0.23 | +0.06, -0.11 | Noise level, dB (A): | -95.3 | -77.9 | -92.9 | Dynamic range, dB (A): | 95.4 | 78.6 | 92.7 | THD, %: | 0.0014 | 0.096 | 0.095 | IMD + Noise, %: | 0.0050 | 0.210 | 0.207 | Stereo crosstalk, dB: | -94.0 | -76.5 | -92.4 |
) O @% Y. @2 z9 B) U* y' C驱动都是DK最近的1.1整合包。这是2496的数据,倒差不多,只是曲线还是相差很大,vista下20khz向上都被剪掉了,虽然人耳确实听不到。7 w4 f- K5 P; s
SummaryTest | [DirectSound] SB X-Fi Audio [E800] | [DirectSound] Speakers (Creative SB X-Fi) | Frequency response (from 40 Hz to 15 kHz), dB: | +0.02, -0.18 | +0.04, -0.14 | Noise level, dB (A): | -101.7 | -101.4 | Dynamic range, dB (A): | 101.6 | 101.4 | THD, %: | 0.0019 | 0.0015 | IMD + Noise, %: | 0.0037 | 0.0031 | Stereo crosstalk, dB: | -95.3 | -93.7 |
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