X-Fi

http://www.soundblaster.com/products/x-fi/technology/

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When it comes to sound, it's important to understand how new technologies and specifications play an important part, and how these translate into a clearer and richer sound experience. The award-winning Sound Blaster family features higher audio quality, pristine Signal-to-Noise-Ratio, 24-bit quality recording and even support for the latest home theater audio standards such as DTS-ES™ and Dolby® Digital EX, together with the coveted THX® certification. Whether it's for games, music or home entertainment, only a Sound Blaster can deliver the highest level of performance that no others can.
The Choice for Sound is Clear!