Hi all, This is my first post, happy to be here. The measurements of my room are as follows: 4.30m (meters) depth 3.00m width 2.70m hight Now in my left corner is a small recording room made of plasterboard which is 2 meters in width and about 1.30m in depth. I sit behind the desk and on my left there is a window about 1 meter in width and hight on which I just today put a curtains. My questions to some of you who are experienced and willing to advice are: 1. Giving the size of my room, is my placement good enough to have good listening for mixing? 2. The window on my left: is it bad for the acoustics if there are no curtains? Even with the curtains, is it good enough for good isolation? 3. The wall above my head (I mean the roof of the room) is not treated at all, is this a problem and what should I do, do I need complete covering of that wall or partial?