TREATED CLOSET vs REFLECTION FILTER

[Syncamorea]

Both of your proposed solutions involve compromise so it will get down to what you're trying to accomplish, how your studio space is treated, etc. I personally prefer a portable booth made of gobos over working in a closet. I have used SE reflection filters when tracking a band live in the same room. It's a mixed bag solution and I'm not really resolved on how I feel about the compromises. I've had better luck with the gobo booth than reflection filters though.