From VIA Technologies:
This driver supports audio solutions integrating VIA's Envy24PT and Envy24HT-S Audio Controllers. Integrated support in this driver includes: Immerzio Gaming support integrating Sensaura technology. Eight channel outputs. Stereo Expander to experience 2-channel formats using a full 5.1 speaker set-up. Individual speaker volume controls. Speaker configuration utility. Advanced features to maximize recording quality. Full Digital I/O controls. Version 5.00b may include unspecified updates, enhancements, or bug fixes.