The one thing you don't mention is what issues you are having. Are you getting return echo from the hallway-kitchen side? That gives you a big unbalance on the left side. I would say try adding treatmenst to those areas to absorb any sound from coming back at you from that side.
Maybe reduce the reflectivity from the rh wall.
Hard space to work with. experiment experiment experiment!
Maybe reduce the reflectivity from the rh wall.
Hard space to work with. experiment experiment experiment!