I have some non-foamy suggestions.
How about curtains? Maybe not along the entire wall, but in certain key areas like first reflections and so on, possibly to suggest windows that are non-existent.
If you eventually put up shelving for your media that could be effective as well.
Good luck!
How about curtains? Maybe not along the entire wall, but in certain key areas like first reflections and so on, possibly to suggest windows that are non-existent.
If you eventually put up shelving for your media that could be effective as well.
Good luck!