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本帖最后由 gm001301 于 2009-1-26 20:39 编辑
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希望和9632、L2 、aes16或者卡豪华比较一下,好确定是否需要再升级了,有的请发个上来看看吧,测试以16bit 44.1和 24bit 44.1为参考。4 f5 G" k: N5 }5 q
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' w, r0 v7 b% lRightMark Audio Analyzer test report . w' H# @5 [ D( ?
| Testing device | Marc2-P Digital Playback | | Sampling mode | 16-bit, 44 kHz | | Interface | MME | | Testing chain | External loopback (line-out - line-in) | | RMAA Version | 6.2.1 | | | | | | 20 Hz - 20 kHz filter | ON | | Normalize amplitude | OFF | | Level change | -0.0 dB / -0.0 dB | | Mono mode | OFF | | Calibration singal, Hz | 1000 | | Polarity | correct/correct |
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E- o3 ?' A3 y7 X eSummary | Frequency response (from 40 Hz to 15 kHz), dB | +0.00, -0.00 | Excellent | | Noise level, dB (A) | -97.8 | Excellent | | Dynamic range, dB (A) | 97.8 | Excellent | | THD, % | 0.0003 | Excellent | | THD + Noise, dB (A) | -91.9 | Very good | | IMD + Noise, % | 0.0035 | Excellent | | Stereo crosstalk, dB | -98.7 | Excellent | | IMD at 10 kHz, % | 0.0037 | Excellent | | General performance | 0 H m, l" X! j* u8 @
| Excellent |
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- P; C1 H7 A. y2 ?$ n& [8 R2 c# |RightMark Audio Analyzer test report | Testing device | Marc2-P Digital Playback | | Sampling mode | 24-bit, 44 kHz | | Interface | MME | | Testing chain | External loopback (line-out - line-in) | | RMAA Version | 6.2.1 | | | | | | 20 Hz - 20 kHz filter | ON | | Normalize amplitude | OFF | | Level change | -0.0 dB / -0.0 dB | | Mono mode | OFF | | Calibration singal, Hz | 1000 | | Polarity | correct/correct | 1 V' s( X# I* x" D
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Summary | Frequency response (from 40 Hz to 15 kHz), dB | +0.00, -0.00 | Excellent | | Noise level, dB (A) | -146.0 | Excellent | | Dynamic range, dB (A) | 133.0 | Excellent | | THD, % | 0.0000 | Excellent | | THD + Noise, dB (A) | -128.2 | Excellent | | IMD + Noise, % | 0.0002 | Excellent | | Stereo crosstalk, dB | -146.9 | Excellent | | IMD at 10 kHz, % | 0.0000 | Excellent | | General performance | 9 Y, u8 b- Y) r# l5 a/ W- c
| Excellent |
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