Room Treatment

  • Thread starter Thread starter Elton Bear
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Elton Bear

Unregistered Abuser
From looking around the forums it seems that the consensus is that room treatment is a pretty big bang-for-buck improvement - so how do I go about doing it for cheap?

I'll be recording in my bedroom which is not ideal I know, but my house is too small for a basement studio or anything...
 
Elton,

Take a peek in the studio building section. There is tons of info on room treatment there. :)
 
Egg cartons EVERYWHERE. That's how Aerosmith did it on the album they recorded themselves.
 
I have to disagree. This is one of those "just becuase someone famous did it doesn't mean it is right". First, egg cartons are a fire hazard. Second, they don't do much of anything. The absorb nearly nothing and they diffuse the rest... which is not what you want. You want somthing with a good NRC rating that will actually ABSORB the sound.... especially on the low end. Check out this link. A NRC value of 1 means that the specified frequency is 100% absorbed by the material. COmpare the results there on the low end to that of 8pcf mineral wool or 6pcf fiberglass.


8pcf mineral wool:

ASTM C 423
CO-EFFICIENTS AT FREQUENCIES
Thick 125 250 500 1000 2000 4000
1.5” 0.17 0.58 1.06 1.07 1.00 0.99
2.0” 0.39 0.84 1.08 1.01 1.02 1.01
3.0” 0.68 0.92 1.08 1.03 1.03 1.03
4.0” 1.00 0.95 1.06 1.04 1.06 1.08


4" thick 8pcf mineral wool has a NRC of 1.00 at 125hz.... Egg cartons have a NRC of .01. That's 1/100 folks. Now I won't get into the testing methods and how a rating of 1.00 at 125Hz is most likely slightly over rated, but you can see the difference is extremely significant.

Remember, high frequencies are easy to control... it is the mid lows and lows that are hard to reign in and those are the frequencies that cause the most problems. Egg cartons seem like a good poor man's fix until you look into it a bit and get real numbers on them.
 
bubbagump said:
I have to disagree. This is one of those "just becuase someone famous did it doesn't mean it is right".
That's not what I said, I'm just repeating what I heard. Just because you know a lot of big words and numbers dosn't mean you gotta break balls.
Click to expand...
 
I'm not breaking balls. I am just telling it how it is. The Aerosmith thing has turned into an urban legend of sorts of how to do sound treatment on the cheap. It is not an effective way to treat a room is all. "Big words and numbers" are the means with which one can illustrate the point and quantify things. I don't get your beef, but I am sorry you took it that way.
 
ScreamingHead69 said:
bubbagump said:
I have to disagree. This is one of those "just becuase someone famous did it doesn't mean it is right".
That's not what I said, I'm just repeating what I heard. Just because you know a lot of big words and numbers dosn't mean you gotta break balls.
Click to expand...

If Rick Fitzpatrick was here, you'd be singing a different tune!! :eek:


Bubba's giving you good advice. Fiberglass is the stuff you seek. Depending on how you want to apply it, either mineral wool or rigid fiberglass are appropriate in weights from 2.5 pcf to 8 pcf.
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ScreamingHead69 said:
bubbagump said:
I have to disagree. This is one of those "just becuase someone famous did it doesn't mean it is right".
That's not what I said, I'm just repeating what I heard. Just because you know a lot of big words and numbers dosn't mean you gotta break balls.
Click to expand...

ScreamingHead69, drop in to the Studio Building and Display thread to read a bit on sound absorption. There's alot of info there that will explain the big words and numbers.
Click to expand...
 
Supercreep said:
If Rick Fitzpatrick was here, you'd be singing a different tune!! :eek:
Click to expand...

:D Hilarious. O' Rick will ream him over them words. I can hear him spazzin out from here.
 
ScreamingHead69 said:
"Egg cartons EVERYWHERE. That's how Aerosmith did it on the album they recorded themselves."
Click to expand...
That reads like a recommendation to me!

So your protestation
ScreamingHead69 said:
"That's not what I said, I'm just repeating what I heard."
Click to expand...
is pathetic! Try being receptive to good advice. You just might learn something.
 
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