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本帖最后由 kt163 于 2009-2-5 17:53 编辑 9 ]0 T2 N* |: W9 y" R
9 I r; ?$ j8 U/ \3 aRightMark Audio Analyzer test report Testing device | E-DSP Wave [C000] | 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 | -1.5 dB / -1.4 dB | Mono mode | OFF | Calibration singal, Hz | 1000 | Polarity | correct/correct |
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/ j& d$ ~2 K' t0 l7 v! wSummary Frequency response (from 40 Hz to 15 kHz), dB | +0.07, -0.05 | Excellent | Noise level, dB (A) | -112.4 | Excellent | Dynamic range, dB (A) | 112.2 | Excellent | THD, % | 0.0015 | Excellent | THD + Noise, dB (A) | -93.2 | Very good | IMD + Noise, % | 0.0017 | Excellent | Stereo crosstalk, dB | -94.6 | Excellent | IMD at 10 kHz, % | 0.0029 | Excellent | General performance | , [2 d, z- V+ W
| Excellent |
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4 f% @' a7 u4 O3 c9 A% a" AFrequency response
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b) W( M4 O2 [9 t2 @From 20 Hz to 20 kHz, dB | -0.13, +0.09 | From 40 Hz to 15 kHz, dB | -0.05, +0.07 | % E8 c7 V# D& O b8 y. X
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Noise level ; x9 b4 M* ~ h& t
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| Left | Right | RMS power, dB | -110.5 | -110.3 | RMS power (A-weighted), dB | -112.5 | -112.4 | Peak level, dB FS | -89.7 | -89.5 | DC offset, % | +0.0 | +0.0 |
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Dynamic range
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| Left | Right | Dynamic range, dB | +110.4 | +110.1 | Dynamic range (A-weighted), dB | +112.3 | +112.2 | DC offset, % | +0.00 | -0.00 | 1 S+ e- m& Q6 T$ D5 e
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THD + Noise (at -3 dB FS) ' L" p( \: S0 o8 X9 P
1 x5 D' k0 Z- W | Left | Right | THD, % | +0.0014 | +0.0016 | THD + Noise, % | +0.0017 | +0.0019 | THD + Noise (A-weighted), % | +0.0021 | +0.0023 | 0 b' U1 ^ t$ o# z* x8 h/ Y
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Intermodulation distortion
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| Left | Right | IMD + Noise, % | +0.0016 | +0.0017 | IMD + Noise (A-weighted), % | +0.0013 | +0.0014 | + |" s8 A" I+ s7 V) ~
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) z8 v4 o/ t9 W2 \% Z- mStereo crosstalk
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! r) X& S/ T: D+ `, H | Left | Right | Crosstalk at 100 Hz, dB | -108 | -107 | Crosstalk at 1000 Hz, dB | -94 | -94 | Crosstalk at 10000 Hz, dB | -74 | -74 | ' g/ x* U: F3 u: Q Z" P! A
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IMD (swept tones) 3 \2 ^, v) Q ~- }& G! Y; ]" ~
+ U5 m! p- T7 b- V | Left | Right | IMD + Noise at 5000 Hz, | 0.0021 | 0.0022 | IMD + Noise at 10000 Hz, | 0.0023 | 0.0024 | IMD + Noise at 15000 Hz, | 0.0043 | 0.0043 | ) ~) e: `. N- j9 V5 O0 n" u! m$ j
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用的二奶机在xp下测的,因为vista测不了
8 o% Z2 z9 E* F" I' S9 x" H是不是那个rmaa会话自己作弊了啊,开了那个会话,rmaa的电平不用调就正常了的
9 s" H! d/ M6 _) `) M& F非内录,内录的话动态跑到120多去了。* j h3 g/ J) ?6 z' \1 `, u
但是这个112也有点变态了。 |
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