V.I Stereo to 5.1 Converter Suite by Steve Thomson - KVR Audio
The primary goal of the V.I Suite is to extract "hidden" spatial information—such as room reverb and ambience—already embedded within a stereo recording. It then redistributes these elements across the front left/right, center, surround left/right, and LFE (subwoofer) channels. v.i stereo to 5.1 converter suite
A slider that compensates for stereo files that are either too narrow or unnaturally wide. v.i stereo to 5.1 converter suite
The suite offers several manual controls to fine-tune the "virtual" surround environment: v.i stereo to 5.1 converter suite