RightMark Audio Analyzer test report Testing device | ASUS Xonar D2 Audio TP08 | Sampling mode | 16-bit, 48 kHz | Interface | DirectSound | Testing chain | External loopback (line-out - line-in) | RMAA Version | 6.0.5 | | | | | 20 Hz - 20 kHz filter | ON | Normalize amplitude | ON | Mono mode | OFF | Calibration singal, Hz | 1000 | Polarity | correct/correct |
Summary Frequency response (from 40 Hz to 15 kHz), dB | +0.05, -0.03 | Excellent | Noise level, dB (A) | -96.5 | Excellent | Dynamic range, dB (A) | 96.9 | Excellent | THD, % | 0.0005 | Excellent | THD + Noise, dB (A) | -90.7 | Very good | IMD + Noise, % | 0.0040 | Excellent | Stereo crosstalk, dB | -96.5 | Excellent | IMD at 10 kHz, % | 0.0042 | Excellent | General performance | | Excellent |
Frequency response
From 20 Hz to 20 kHz, dB | -0.10, +0.05 | From 40 Hz to 15 kHz, dB | -0.03, +0.05 |
Noise level | Left | Right | RMS power, dB | -95.8 | -95.7 | RMS power (A-weighted), dB | -96.6 | -96.5 | Peak level, dB FS | -83.7 | -83.7 | DC offset, % | -0.0 | -0.0 |
Dynamic range | Left | Right | Dynamic range, dB | +95.8 | +95.8 | Dynamic range (A-weighted), dB | +96.9 | +96.9 | DC offset, % | +0.00 | +0.00 |
THD + Noise (at -3 dB FS) | Left | Right | THD, % | +0.0005 | +0.0005 | THD + Noise, % | +0.0033 | +0.0033 | THD + Noise (A-weighted), % | +0.0030 | +0.0029 |
Intermodulation distortion | Left | Right | IMD + Noise, % | +0.0040 | +0.0040 | IMD + Noise (A-weighted), % | +0.0035 | +0.0035 |
Stereo crosstalk | Left | Right | Crosstalk at 100 Hz, dB | -98 | -97 | Crosstalk at 1000 Hz, dB | -96 | -95 | Crosstalk at 10000 Hz, dB | -86 | -86 |
IMD (swept tones) | Left | Right | IMD + Noise at 5000 Hz, | 0.0042 | 0.0042 | IMD + Noise at 10000 Hz, | 0.0042 | 0.0043 | IMD + Noise at 15000 Hz, | 0.0041 | 0.0041 |
测试小节: 该规格的测试是用来与16bit/44kHz(基准测试)进行对比的,用来考察声卡的SRC过程对声音回放品质的影响。从两者的数据分析看,成绩相差很小,这说明该卡的SRC问题处理得相当出色(由于没有I/O以及DSP方面更进一步的资料,我们只能暂时猜测为有SRC过程)! (相关文章《一锤定音!华硕声卡XonarD2深度试音评测》)
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