TomsHardware reviews Creative Labs' SoundBlaster X-Fi line
... Creative's sound cards have undergone considerable development, starting with the days of the first Sound Blaster "PRO" card in 1991, which offered 8-bit sound. This was followed by the famous AWE 32 and Live!, and then the Audigy, which has been the standard for sound cards until now. But X-Fi represents an enormous leap forward in terms of power and capability for handling and processing digital audio. In the table below, the evolution can be clearly seen!.
We should stress the fact that Creative, unlike most of its competitors, has always included a true audio processor on its cards, as opposed to simply using a codec and putting the processing load on the CPU. That approach accounts for their superiority in games, where Creative avoids having to devote part of the available processing power to sound, but it also creates a few problems in other areas. The processors used in the Live! and Audigy cards operated natively at 48 kHz, creating some problems at 44.1 kHz and simply refusing to process higher sampling frequencies at all. With X-Fi, those problems are behind us, and operation is now possible at all usable sampling frequencies...
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