just an fyi, they did put out a driver for the audigy, audigy 2, audigy 2zs cards that return decoding features:
File Name: SBAX_PCDRV_LB_2_18_0001.exe
This download is a driver providing Microsoft® Windows Vista® and Windows® XP support for Creative Sound Blaster® Audigy® series audio devices. For more details, read the rest of this web release note.
This download supports the following audio devices only:
* Creative Sound Blaster Audigy including Platinum and Platinum eX series
* Creative Sound Blaster Audigy 2 including Platinum, Platinum eX, and Value series
* Creative Sound Blaster Audigy 2 ZS including Platinum and Platinum Pro series
* Creative Sound Blaster Audigy 4 Pro and Sound Blaster Audigy 4
* Creative Sound Blaster Audigy 2 ZS Notebook PCMCIA
http://support.creative.com/download...wnloadId=10581