Creative have released some Beta Creative 64-Bit Audio Driver For SoundBlaster Live/Audigy/Audigy 2 Series for Windows XP 64-Bit Edition Operating Systems April 18, 2005
This site provides an opportunity to preview products from Creative Labs while the products are still under development. Drivers and applications provided are intended for testing and evaluation only, and should not be placed in a production environment.
Creative 64-Bit Audio Driver Preview
Creative 64-Bit Audio Driver Preview