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home based project studio Dynamics Plugins
Old 23rd December 2010
  #1
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home based project studio

Hey all, I'm a long time reader but first time poster. I love the wealth of information and insight available on these forums... Anyways I will be starting construction of my basement studio come the new year and I've sketched up the design. It's small: mix room is 13'x10' and the live room 12'x11' both with a 7.5' ceiling height (nearly 8.5' if including headroom between the floor joists).
I'm primarily concerned with room treatment. Isolation is only of concern between the mixing and tracking rooms. I know it is acoustically more desirable to have a larger mixing room but for my purposes I require a separate live room. My plan is to install a drop ceiling using 2'x4' panels of 4" rockwool @ 7' ceiling height in both rooms. I'm hoping the absorbent ceiling with an airspace above it will be more effective than a higher, reflective one.
I'll be bass trapping all corners and absorbers on early reflection points.
My primary question is if there's any advantage to using QRD diffusion on the rear wall of a mixing room this size?
Will any diffusion be more harmful than beneficial?
I was considering building a 4 " bass trap/QRD diffuser combo across the entire back wall but maybe it's best to have a completely dead room given the size and just go with the trapping?
Any thoughts and criticisms are welcome. I've attached some pics for your reference.
Thanks,
Morgan
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home based project studio-studiotopview.jpg   home based project studio-studiocr1.jpg   home based project studio-studiocr2.jpg   home based project studio-studiocr3.jpg  
Old 23rd December 2010
  #2
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Originally Posted by audiobong View Post
My primary question is if there's any advantage to using QRD diffusion on the rear wall of a mixing room this size?
Yes, I think so. This assumes you'll be near the "38 percent" point from the front wall, which puts you almost ten feet away from the diffusors. But even if you were closer diffusion would be useful.

--Ethan

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Old 23rd December 2010
  #3
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home based project studio

Thanks Ethan,
So I'd assume it's best to use a combination of absorption and diffusion on the rear wall....
Another question: Is there a recommended method of diffusion for a drum room this small?
Old 24th December 2010
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You could line most of the walls with diffusion, though that gets pretty expensive even if you DIY.

--Ethan

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Old 26th December 2010
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i have read that diffusers work best if placed a minimum 6.5' from the source. In a room this size would it be best to place an absorber opposite any diffuser? what if i lined two perpendicular walls with diffusers and made the opposite two fully absorbent? Gobos could then be used to further deaden or liven the room...
Thanks,
Morgan
Old 26th December 2010
  #6
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Quote:
Originally Posted by audiobong View Post
i have read that diffusers work best if placed a minimum 6.5' from the source. In a room this size would it be best to place an absorber opposite any diffuser? what if i lined two perpendicular walls with diffusers and made the opposite two fully absorbent? Gobos could then be used to further deaden or liven the room...
Thanks,
Morgan
This could work, but it also might not. (Just the answer you were looking for right?) For the live room, I'd say get a bunch of diffusers and a bunch of absorbers, then go experiment with a number of different setups. Only diffusers, only absorbers, half and half, diffusers on opposite walls, diffusers on adjacent walls...you get the idea. As opposed to a control room, you don't need a flat response...it just has to sound good!
Old 26th December 2010
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Quote:
Originally Posted by metrognome View Post
As opposed to a control room, you don't need a flat response...it just has to sound good!
My thoughts exactly. Looks like it's trial, error and time unless someone has done this before and cares to weigh in...
Old 26th December 2010
  #8
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Quote:
Originally Posted by audiobong View Post
what if i lined two perpendicular walls with diffusers and made the opposite two fully absorbent?
For a control room you need symmetry, so opposing side walls should be treated the same. For a live room I might make one entire wall diffusive and the other absorptive. It depends on a lot of things, mainly budget and room size.

--Ethan

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Old 29th December 2010
  #9
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home based project studio

This is what I will try. Budget isn't an issue just the size of my room (specs in op). I'll likely diffuse the wall with the window and absorb the opposite. The other walls will have a combination of diffusion and absorption. So stoked to get started!
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