Asus Xonar D2
7. Comparison Tests 16bit
At 24bit/44KHz, we got the following RMAA results:
RMAA v6.0.5 Results |
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| Testing 24bit/44.1KHz | Ratings |
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| Frequency response (from 40 Hz to 15 kHz), dB | +0.05, -0.04 |
+0.05, -0.04 |
Excellent |
| Noise level, dB (A) | -108.3 |
-100.2 |
Excellent |
| Dynamic range, dB (A) | 108.3 |
101.4 |
Excellent |
| THD, % | 0.0004 |
0.0004 |
Excellent |
| THD + Noise, dB (A) | -99.5 |
-93.9 |
Very good |
| IMD + Noise, % | 0.0014 |
0.0046 |
Excellent |
| Stereo crosstalk, dB | -110.5 |
-98.5 |
Excellent |
| IMD at 10 kHz, % | 0.0016 |
0.0047 |
Excellent |
| General performance | Excellent |
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With 24bit, we started to see some differences in performance, between the Internal/External recording modes, especially in IMD +Noise levels and Stereo crosstalk:
RMAA v6.0.5 Results |
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| Testing 24bit/48.0KHz | Ratings |
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| Frequency response (from 40 Hz to 15 kHz), dB | +0.06, -0.04 |
+0.06, -0.04 |
Excellent |
| Noise level, dB (A) | -117.2 |
-98.0 |
Excellent |
| Dynamic range, dB (A) | 117.2 |
97.5 |
Excellent |
| THD, % | 0.0004 |
0.0006 |
Excellent |
| THD + Noise, dB (A) | -103.5 |
-91.4 |
Excellent |
| IMD + Noise, % | 0.0006 |
0.0034 |
Excellent |
| Stereo crosstalk, dB | -116.6 |
-96.1 |
Excellent |
| IMD at 10 kHz, % | 0.0006 |
0.0025 |
Excellent |
| General performance | Excellent |
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Much greater differences in this mode, just look at the Noise level and Dynamic range.
RMAA v6.0.5 Results |
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| Testing 24bit/96.0KHz | Ratings |
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| Frequency response (from 40 Hz to 15 kHz), dB | +0.08, -0.05 |
+0.08, -0.05 |
Excellent |
| Noise level, dB (A) | -117.2 |
-100.4 |
Excellent |
| Dynamic range, dB (A) | 117.1 |
95.1 |
Excellent |
| THD, % | 0.0007 |
0.0014 |
Excellent |
| THD + Noise, dB (A) | -100.4 |
-82.3 |
Good |
| IMD + Noise, % | 0.0007 |
0.012 |
Very good |
| Stereo crosstalk, dB | -115.3 |
-91.8 |
Excellent |
| IMD at 10 kHz, % | 0.0009 |
0.0080 |
Excellent |
| General performance | Excellent |
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Lastly, at the best quality recording you can get, at 24bit/192KHz, with RMAA:
RMAA v6.0.5 Results |
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| Testing 24bit/192.0KHz | Ratings |
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| Frequency response (from 40 Hz to 15 kHz), dB | +0.08, -0.05 |
+0.08, -0.05 |
Excellent |
| Noise level, dB (A) | -116.3 |
-99.0 |
Excellent |
| Dynamic range, dB (A) | 116.3 |
116.2 |
Excellent |
| THD, % | 0.0013 |
0.0013 |
Excellent |
| THD + Noise, dB (A) | -95.3 |
-95.3 |
Excellent |
| IMD + Noise, % | 0.0012 |
0.0012 |
Excellent |
| Stereo crosstalk, dB | -112.5 |
-105.3 |
Excellent |
| IMD at 10 kHz, % | 0.0015 |
0.0039 |
Excellent |
| General performance | Excellent |
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Again, there are differences between the Internal and External recording modes. As we suspected, Internal recording method is preferable since the signal is recorded digitally from the card's chipsets.
Below is a table with all the performance results for the various 24bit modes:
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