Neo 6 is DTS' "Pro Logic"... splits a stereo signal into surround... the "cinema" flavour pans it fairly narrow (what I use for TV watching)... and the "music" flavour pans it wider (which I use for live concerts, or videos).

I prefer the sound of it (much like I prefer DTS to Dolby Digital tracks on DVDs)... your mileage may vary.

Bren R.