quilts as sound baffles

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jb56

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I have been commissioned to make a quilt to be used as a sound baffle in a home recording studio. Can anyone give me advice on what the baffling effect would be with these different layer options? #1 cotton top, cotton batting, cotton backing. #2 cotton top, wool batting, flannel backing. Would the texture on the surface of the quilt, created by the stitching patterns, make a difference in the sound baffling?
 
The heavier it is, the better it will work. The texture or pattern won't make much if a difference at all. In order to stop sound, you need density. the more dense, the lower the frequencies that it will trap.

It needs to be physically heavy to do any good at all. A normal comforter-type thing won't do anything to stop/absorb sound. Packing blankets will do minimal baffling, if you double them up.
 
And hanging just off the wall can add a few Hz extension.
I always thought of doing something artsy in sort of a vertical jag' for a bit of 'catch and depth could be interesting ( V\V\ .. |\|\ .. poor example :D
 
Would 2 layers of wool batting in between the cotton and flannel layers make a slight difference?
 
jb56 said:
Would 2 layers of wool batting in between the cotton and flannel layers make a slight difference?
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Couldn't one use the same material that is used in the framed traps, Roxul safe and sound?
 
Yeah, in the end (for the most part... ;) to extend bandwidth it's depth and mass..
 
It would be best to just use the roxul. Wool isn't dense enough to do anything. Neither is cotton, unless its denem that is several inches thick.
 
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