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楼主 |
发表于 2015-3-8 20:48
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这次接上测试了,数据是这样的:
RightMark Audio Analyzer test report
Testing device СпЙщЖч ЁБУХУ Еууеоге УФШ ЙЙ Бхдйп Децйге©
Sampling mode 16-bit, 48 kHz
Interface DirectSound
Testing chain External loopback (line-out - line-in)
RMAA Version 6.4.1
20 Hz - 20 kHz filter ON
Normalize amplitude ON
Level change 3.0 dB / 3.0 dB
Mono mode OFF
Calibration singal, Hz 1000
Polarity correct/correct
Summary
Frequency response (from 40 Hz to 15 kHz), dB +0.14, -0.10 Very good
Noise level, dB (A) -89.8 Good
Dynamic range, dB (A) 89.1 Good
THD, % 0.0006 Excellent
THD + Noise, dB (A) -88.5 Good
IMD + Noise, % 0.0056 Excellent
Stereo crosstalk, dB -91.2 Excellent
IMD at 10 kHz, % 0.0053 Excellent
General performance Very good
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