Sounds great, but how is that possible...? STM is a stereophonic mixer, with only two channels for output - left and right. If you want to add extra dimentions, you must rout the extra output to something. but *what*?
i mean plugin like ambisone prosonic
or the 3d<series of spinaudio
or the ultrafunk surround motion
all the plug are vst insert effect
for the mixer of the host sequencer