X-Plosion 7.1 DTS Connect Soundcard
 

One would want a technology like DTS Connect if a person has a home theater audio setup and were dealing with sound sources that are not already in a compatible surround sound format (Dolby Digital or DTS) but surround sound is desired. The common examples of this are gaming and WMV-HD videos (which uses Microsoft's proprietary 5.1 audio codec)