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So, A 15' square isn't great to record in? Diffusion or just bass traps?
Old 25th July 2007
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filthyrich's Avatar

So, A 15' square isn't great to record in? Diffusion or just bass traps?

I'm being sarcastic. From what I's very bad. I'm going to do 2 ft triangles of rockwool to get rid of 3 of the 4 corners. One corner is smaller, due to where a door I can't really cut off that corner much. In the will be an octagon of sorts. The roof is about 8 ft high for the first 3-4 ft of the room. This means that from when you walk look up and the ceiling is flat. About 3-4 "back" the pitch in the roof starts. The back 11-12'X 15' is the pitched roof part. It likely goes up about 3 ft xtra at the center of the pitch.
There will be plenty of bass trapping on the walls also..plenty.

P.S.-There are cement floors now. There will be wood or vinyl in the end. The ceiling is soft.

Is my room too small to benefit from diffusion? I've got a window that has been blocked off with drywall, sound deadening board, insulation and wood. It's about 4tf long and 2 ft high. I was thinking about doing the bended plywood thing on top of where the window would be. I also considered doing a large version of the varying chamber depth diffusor.

Would my room benefit..or is it just too small?

By the way, this is the tracking room, not a mix room.
Old 26th July 2007

You are going to have all kinds of fun with ringing and nulls in there!

With careful mic placement, you might get some interesting recordings in there. But, deaden all the wall-wall corners and all the wall-ceiling corners. You migh just want to fill the sloped area on the ceiling with rockwool too.


Old 26th July 2007
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filthyrich's Avatar

Yeah. I get that bass trapping is going to be my best friend in that room. I'm just trying to figure out if diffusion is something I should also be worried about.
Old 26th July 2007

Too small for effective treatment using diffussion - 600-700 sq ft is about the smallest room that diffusion might do some good. You have about 1/3 of that....


Old 26th July 2007
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I would agree that diffusion on the rear wall would be better replaced by some bass control behind the seated head position to deal with the null off the back wall. I would also agree in making sure you kill that upper ceiling corner where it rises.

As for the back half of the side walls, if you're tracking in there too, diffusion would be of benefit to you when doing so.

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