Auralex or Sound Deadening Board???

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moelar2

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I finally finished building my iso room inside my garage. The walls have a layer of sound deadening board under a layer of 5/8 toughrock drywall inside the room. The outside has some R-19 Acoustically treated insulation and some aluminum type paper over it. I had a recording session hours after I put the drywall up, and the drums sound like shit! The room is about 10X8X8. I imagine the sound is bouncing like a maniac all over the room.

Is it better to put another layer of sound deadening board so that that would be the external surface, or would it be better to buy auralex. I can get it for $11/sheet (2ft x 4ft). The auralex would cost me about $400.00 for the room, while the sound deadening board would cost about $60.00!! What do you suggest? I'll try to put pictures up soon. Meanwhile, thanks in advance.
 
I would try building diffusors first, then see if you need deadening.

Ed
 
get the 12" diameter tubes that the cement is set in for making cylindrical formations and fill them with fiberglass insulation and cover the with carpet. sit them in the corners this will cancell out alot of the boomie bass.

And then get a book case full of books to go in one end of the room. makeing sure the books are all differnt sizes. the Idea is to send the echoes in about a million diferent directions. Instead of One big one that will screw up your tracks. also a handy spot to put your stuff.

clap your hands in certain spots arround the room and listen for echoes to bounce off the wall in certain spots. Cover these spots with the auralex foam and then you can track the drums in there.:cool:
 
moelar2 said:
Diffusers?
Click to expand...

Diffusers break up reflections in a room to help lessen standing waves in the room. They do not however absorb of change the RT time.

For a tracking room, they are a far better solution than absorption. Very easy to make, and will probably be far more appropriate to your problem than absorbers.

Ed
 
Thank you for your replies.

Once the drumset is set up with mics and all, there isn't much more room, at least not for bookcases. The suggestion about the tubes, however, is interesting. So basically, I should buy the pillars, stuff them with insulation, and put them in the corners - how high? I'm wondering how much this will cost considering all the materials, ie. carpet, pillars.

One thing that I think might be causing a big problem for me is a 36" x 36" window centered in the wall directly in front of the drum set. The distance between the kick drum and that wall is about 3-4ft. How are windows treated? Should I face the drumset in another direction?

I tried putting a big towel over my kick drum, in addition to hanging a big comforter right in fron of the set, covering the window. That seemed to work pretty well. I don't know whether it was the fact that the window was covered, the towel on the kick drum, the comforter, or a combination of all.

Someone suggested that I put sound deadening board on two walls, at an angle. That way, it eliminates parallel sufaces, hence standing waves. Would this work? I already purchased four more sheet of SDB at Home Depot last night...should I return it??

Thank you very much guys!
 
I read these posts to learn not to answer, but I have been doing some research on auralex stuff. If you can't do the book shelf thing, mars music has a home studio pack for $99. It has 9 difusors and 24 foam "wedgies" to throw up (and special adhesive) I don't believe it will fix the corner problems, so I assume you'd want to either build the tube cylinder thing or buy the corner traps.

Sonusman and Darrin I might be throwing this way off so let me know if I am.

Anyway here's a link to the studio pack:
http://www.marsmusic.com/store/product_new.jhtml?catid=9&prodid=12464&skuid=0
 
sounds reasonable to me, not everyone has a bookcase, If I can come up with something that you have in the house anyway. I'll suggest that first.(by the way stay away from metal,It resonates.)
 
Executivos

I was actually contemplating that myself.

I did some recordings in my room yesterday - it sounded a LOT better. All I did was put one of the deadening boards across the 90 degree corner made by two walls. I don't, however, know if it was that, considering I used MY drumset, as opposed to the guy who I recorded last week's drumset. His had beat-up remo dot heads on the entire kit. His drumset was definitely set up for loud live sound, as opposed to a tight controlled recording setup. Anyway, I think I'm going to probably look into the Auralex Package - it might at least be a good place to start.

Any suggestions about the window???

Gracias.
 
I don't have a live drum tracking room, so I had no need for that kit. I just bought some of the wedgies foam in the pack for my control room.

I'd wait to hear from the people on this board that know more about acoustics than me, but if you want more info, go to aurlex.com. There's a document on there called "acoustics 101" It explains common problems and the different solutions. It's not just an auralex thing, it's acoustics in general.
 
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