In the case of resonances, sound pressure maxima occurs on the surface. Room resonances between room surfaces are called standing waves or room modes. For film production, place your listening setup in the rear area.
Each monitor should be aimed towards the listening position. The angle between the left and right monitors should be 60° degrees. For music productions place your listening setup in the front area. Divide your room vertically into three equally sized areas: front, centre and rear.