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The second test is of noise and interference levels, and measures in particular where the card's background noise is located and its sensitivity to interference from the computing environment: power supply, transformers and monitors.
Swipe to scroll horizontally
Parameter
Left
Right
Dynamic range, dB:
87.2
85.9
Dynamic range (A-weighted), dB:
95.8
95.1
DC offset, %:
0
0
Related to the above test, the dynamic range test gauges the level of noise generated in the presence of a sound signal, in this instance, a sine wave (1 kHz at -60 dB) at card input.
Swipe to scroll horizontally
Parameter
Left
Right
THD, %:
0.001
0.002
THD + Noise, %:
0.003
0.003
THD + Noise (A-weighted), %:
0.003
0.003
Swipe to scroll horizontally
Parameter
Left
Right
IMD + Noise, %:
0.007
0.008
IMD + Noise (A-weighted), %:
0.005
0.006
Swipe to scroll horizontally
Parameter
L <- R
L -> R
Crosstalk at 100 Hz, dB:
-85
-86
Crosstalk at 1 kHz, dB:
-86
-89
Crosstalk at 10 kHz, dB:
-85
-87
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