Source: Tom's Guide US | Keywords: creative, audigy, 2, zs, notebook | Themes: Business Notebooks
9. Behavior At 24 Bits/48 KHz
Moving to 48 kHz, and above to 24 bits, performance improved, as is to be expected. However the signal-to-noise ratio can be considered only average for a 24 bit sound card, though it's very good in absolute terms.
Frequency response (20 Hz - 20 kHz) : +0.09, -0.93 dB Weighted signal-to-noise ratio : 93.8 dB(A) Distortion : 0.0015 % Stereo separation : 85.6 dB
Frequency response : The variations were much slighter than at 44 kHz, and response extended higher. The entire audible spectrum was reproduced with a very low error rate.
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Noise level : Noise was low and showed the same nice linearity as at 44 kHz.

Dynamic range : Nothing to criticize here - performance was very good against the signal-to-noise ratio.

Distortion : Distortion was even lower than at 44 kHz - an excellent result and significantly better than what Creative claims.

Intermodulation distortion : Again, very low distortion.

Stereo separation : Logically, stereo separation was identical to the result for 44 kHz.
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