Creative SB Audigy 2 ZS Notebook: Serious Audio for Portable Systems. Page 7
[08/31/2005 03:20 PM | Multimedia]
by Vasily Melnik
Take a look at a great solution that would bring high-end sound to your laptop. Beside its compact form-factor, it features the highest playback/recording quality, excellent performance in games, and compatibility with sound-recording software and media players. Read more about such a winning features combination of this product in our detailed review.
THD and IMD spectrograms taken in Standard Feature Mode, 16-bit/44kHz
THD and IMD spectrograms taken in Standard Feature Mode, 16-bit/48kHz
THD and IMD spectrograms taken in Standard Feature Mode, 24-bit/48kHz
THD and IMD spectrograms taken from Realtek AC’97 (ALC850) codec, 16-bit/48kHz
The most interesting thing is that the card sounds differently in its two operational modes. This is confirmed by the measurements and can also be heard by the ear: the results for the Standard Feature mode are much worse than for the Advanced Feature mode, even though they are still better than the results of the integrated audio codec. I am really perplexed at this fact. The same digital-to-analog converter must be used in both modes, so where could this discrepancy come from?
Anyway, the card is at its best in the Advanced mode and reproducing 16bit/48kHz audio: a record 101.2dB signal-to-noise ratio and minimal THD (total harmonic distortion) and IMD (intermodulation distortion) values. So I recommend you to use this format for the most accurate reproduction of musical compositions. You can find appropriate plug-ins for all popular media players.
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