i
Zdroj: PCTuning.cz
Úvod do zvuku – první díl megatestu karet Asus Xonar | Kapitola 15
Seznam kapitol
Zvukové karty ASUS Xonar již zaujaly v oblasti ozvučení své pevné místo a to právem, jelikož jsou prostě dobré. Uživatelé to vědí, mají je rádi, a tak jsme se podívali podrobně rovnou na všechny jejich modely. Celkem devět karet tvoří současnou nabídku interních zvukovek ASUS, přičemž některé jsou v PCI a jiné v modernějším PCI-E provedení.
RMAA 44.1 kHz / 16-bit
Summary
Frequency response (from 40 Hz to 15 kHz), dB | +0.02, -0.05 | Excellent |
Noise level, dB (A) | -92.2 | Very good |
Dynamic range, dB (A) | 92.3 | Very good |
THD, % | 0.0008 | Excellent |
THD + Noise, dB (A) | -86.1 | Good |
IMD + Noise, % | 0.0064 | Excellent |
Stereo crosstalk, dB | -90.7 | Excellent |
IMD at 10 kHz, % | 0.0060 | Excellent |
General performance | Very good |
Frequency response
From 20 Hz to 20 kHz, dB | -0.13, +0.04 |
From 40 Hz to 15 kHz, dB | -0.05, +0.02 |
Noise level
Left | Right | |
RMS power, dB | -91.7 | -91.8 |
RMS power (A-weighted), dB | -92.2 | -92.3 |
Peak level, dB FS | -73.9 | -74.0 |
DC offset, % | -0.0 | -0.0 |
Dynamic range
Left | Right | |
Dynamic range, dB | +91.7 | +91.8 |
Dynamic range (A-weighted), dB | +92.3 | +92.2 |
DC offset, % | -0.00 | -0.00 |
THD + Noise (at -3 dB FS)
Left | Right | |
THD, % | +0.0009 | +0.0008 |
THD + Noise, % | +0.0052 | +0.0052 |
THD + Noise (A-weighted), % | +0.0050 | +0.0049 |
Intermodulation distortion
Left | Right | |
IMD + Noise, % | +0.0065 | +0.0064 |
IMD + Noise (A-weighted), % | +0.0061 | +0.0061 |
Stereo crosstalk
Left | Right | |
Crosstalk at 100 Hz, dB | -91 | -90 |
Crosstalk at 1000 Hz, dB | -90 | -89 |
Crosstalk at 10000 Hz, dB | -92 | -93 |
IMD (swept tones)
Left | Right | |
IMD + Noise at 5000 Hz, | 0.0061 | 0.0061 |
IMD + Noise at 10000 Hz, | 0.0060 | 0.0060 |
IMD + Noise at 15000 Hz, | 0.0059 | 0.0059 |
RMAA 48 kHz / 24-bit
Summary
Frequency response (from 40 Hz to 15 kHz), dB | +0.02, -0.06 | Excellent |
Noise level, dB (A) | -94.6 | Very good |
Dynamic range, dB (A) | 94.2 | Very good |
THD, % | 0.0007 | Excellent |
THD + Noise, dB (A) | -87.9 | Good |
IMD + Noise, % | 0.0053 | Excellent |
Stereo crosstalk, dB | -90.4 | Excellent |
IMD at 10 kHz, % | 0.0042 | Excellent |
General performance | Very good |
Frequency response
From 20 Hz to 20 kHz, dB | -0.15, +0.05 |
From 40 Hz to 15 kHz, dB | -0.06, +0.02 |
Noise level
Left | Right | |
RMS power, dB | -93.7 | -93.8 |
RMS power (A-weighted), dB | -94.5 | -94.7 |
Peak level, dB FS | -69.2 | -69.4 |
DC offset, % | -0.0 | -0.0 |
Dynamic range
Left | Right | |
Dynamic range, dB | +93.5 | +93.7 |
Dynamic range (A-weighted), dB | +94.1 | +94.3 |
DC offset, % | +0.00 | +0.00 |
THD + Noise (at -3 dB FS)
Left | Right | |
THD, % | +0.0007 | +0.0006 |
THD + Noise, % | +0.0044 | +0.0043 |
THD + Noise (A-weighted), % | +0.0041 | +0.0040 |
Intermodulation distortion
Left | Right | |
IMD + Noise, % | +0.0054 | +0.0053 |
IMD + Noise (A-weighted), % | +0.0049 | +0.0048 |
Stereo crosstalk
Left | Right | |
Crosstalk at 100 Hz, dB | -87 | -88 |
Crosstalk at 1000 Hz, dB | -89 | -90 |
Crosstalk at 10000 Hz, dB | -97 | -96 |
IMD (swept tones)
Left | Right | |
IMD + Noise at 5000 Hz, | 0.0043 | 0.0042 |
IMD + Noise at 10000 Hz, | 0.0042 | 0.0041 |
IMD + Noise at 15000 Hz, | 0.0042 | 0.0041 |