Trinnov's 3D remapping attempts to correct for errors in speaker placement. Center channels above or below the screen, surrounds that are not equidistant or are different distances from the rear wall, fronts that are different distances from the display, etc., are all adjusted. The calibration mic is actually a cluster of microphones so each measurement locates the speaker in the room relative to the mic pod (sort of an acoustic GPS). This is used to set speaker distances, but it also can be used to create correctly-placed phantom versions of each individual speaker when 3D remapping is engaged. As with any correction software like room EQ, there are limitations (the effect won't be as effective away from the sweet spot, for example), but the ability to optimize performance in the sweet spot this way is one of the reasons people have been interested in Trinnov.