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本帖最后由 gm001301 于 2009-1-26 20:39 编辑 ; I* ~3 b/ ~9 U/ K$ S
2 W* i9 t3 @. H: {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。
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1 U% r; |& K( H8 u! b' a% }RightMark Audio Analyzer test report 1 I1 p' w1 r3 F) k7 I& x
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 | * ^4 k+ m! u* O1 B6 L3 q0 H
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Summary 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 | 5 F* W# C( w* T
| Excellent |
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5 k! i" y! B- k, A3 C& l" `9 _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 |
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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 |
# t [8 J) c. f0 d) j5 _* z1 ]5 E | Excellent |
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