hi. I'm looking for a plugin witch copy the stereo channels to 7.1 i.e. Rear and side channels will play the same as the front, center and LFE channel will play connected stereo?
The Matrix Mixer should be the plugin you are looking for.
http://skipyrich.com/wiki/Foobar2000:Matrix_Mixer (http://skipyrich.com/wiki/Foobar2000:Matrix_Mixer)