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Zdroj: PCTuning.cz
Úvod do zvuku – první díl megatestu karet Asus Xonar | Kapitola 8
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, -0.18 | Very good |
Noise level, dB (A) | -89.0 | Good |
Dynamic range, dB (A) | 88.9 | Good |
THD, % | 0.0020 | Excellent |
THD + Noise, dB (A) | -82.7 | Good |
IMD + Noise, % | 0.0080 | Excellent |
Stereo crosstalk, dB | -82.9 | Very good |
IMD at 10 kHz, % | 0.0088 | Very good |
General performance | Very good |
Frequency response
From 20 Hz to 20 kHz, dB | -0.34, +0.02 |
From 40 Hz to 15 kHz, dB | -0.18, +0.02 |
Noise level
Left | Right | |
RMS power, dB | -89.9 | -90.1 |
RMS power (A-weighted), dB | -88.9 | -89.1 |
Peak level, dB FS | -74.4 | -73.5 |
DC offset, % | -0.0 | -0.0 |
Dynamic range
Left | Right | |
Dynamic range, dB | +89.8 | +90.0 |
Dynamic range (A-weighted), dB | +88.8 | +89.0 |
DC offset, % | -0.00 | -0.00 |
THD + Noise (at -3 dB FS)
Left | Right | |
THD, % | +0.0021 | +0.0019 |
THD + Noise, % | +0.0066 | +0.0064 |
THD + Noise (A-weighted), % | +0.0075 | +0.0073 |
Intermodulation distortion
Left | Right | |
IMD + Noise, % | +0.0081 | +0.0079 |
IMD + Noise (A-weighted), % | +0.0088 | +0.0086 |
Stereo crosstalk
Left | Right | |
Crosstalk at 100 Hz, dB | -85 | -83 |
Crosstalk at 1000 Hz, dB | -81 | -82 |
Crosstalk at 10000 Hz, dB | -91 | -91 |
IMD (swept tones)
Left | Right | |
IMD + Noise at 5000 Hz, | 0.0093 | 0.0090 |
IMD + Noise at 10000 Hz, | 0.0086 | 0.0084 |
IMD + Noise at 15000 Hz, | 0.0089 | 0.0088 |
RMAA 48 kHz / 24-bit
Summary
Frequency response (from 40 Hz to 15 kHz), dB | +0.02, -0.17 | Very good |
Noise level, dB (A) | -89.7 | Good |
Dynamic range, dB (A) | 89.7 | Good |
THD, % | 0.0020 | Excellent |
THD + Noise, dB (A) | -83.1 | Good |
IMD + Noise, % | 0.0070 | Excellent |
Stereo crosstalk, dB | -90.4 | Excellent |
IMD at 10 kHz, % | 0.0075 | Excellent |
General performance | Very good |
Frequency response
From 20 Hz to 20 kHz, dB | -0.31, +0.02 |
From 40 Hz to 15 kHz, dB | -0.17, +0.02 |
Noise level
Left | Right | |
RMS power, dB | -91.3 | -91.4 |
RMS power (A-weighted), dB | -89.6 | -89.8 |
Peak level, dB FS | -73.3 | -73.6 |
DC offset, % | +0.0 | +0.0 |
Dynamic range
Left | Right | |
Dynamic range, dB | +91.3 | +91.4 |
Dynamic range (A-weighted), dB | +89.6 | +89.8 |
DC offset, % | -0.00 | -0.00 |
THD + Noise (at -3 dB FS)
Left | Right | |
THD, % | +0.0021 | +0.0019 |
THD + Noise, % | +0.0059 | +0.0057 |
THD + Noise (A-weighted), % | +0.0071 | +0.0070 |
Intermodulation distortion
Left | Right | |
IMD + Noise, % | +0.0071 | +0.0069 |
IMD + Noise (A-weighted), % | +0.0083 | +0.0081 |
Stereo crosstalk
Left | Right | |
Crosstalk at 100 Hz, dB | -99 | -98 |
Crosstalk at 1000 Hz, dB | -90 | -88 |
Crosstalk at 10000 Hz, dB | -95 | -95 |
IMD (swept tones)
Left | Right | |
IMD + Noise at 5000 Hz, | 0.0075 | 0.0073 |
IMD + Noise at 10000 Hz, | 0.0075 | 0.0074 |
IMD + Noise at 15000 Hz, | 0.0078 | 0.0075 |