dipping my foot in the water. is this feasible?

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kristian

kristian

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I'm studio challenged, ie. I don't have one. Not only that, I can't play drums in my apartment or have band practice. My brother who I live with is buying a house in the next couple months, and may even be building one. He is probably going to let me have a room designed around music if he is building the house. And if he is just buying a newer house he will let me build a glorified garden shed out bcak to house my equipment and instruments.

obviously as a studnet I haven't saved up excessive amounts of money, but summertime programming has left me with more than enough to be able to build a decent sized room. What the challenge is my brother's space. He is really giing me around 200sq. ft. of space in what mostly will end up being the shed concept. Not really a shed, but not relly house construction. If needs be i will just build a single room and just live with having to record and then playback to monitor what it really sounds like. But i have a lot of friends i record and even myself would like to have a friend sit at the controls when i record. This comes into effect when recording drums where I don't want to be in the room with them, and voice/acoustic guitar/cello/overdubs etc. Those should be isolated.

My plan is here, quite extreme and it may not be plausible. We've talked about sizes with more sq. ft. but this is an idea i have so i can get some relative protection from the sounds.

some basics on this picture. It is drawn to scale as best as possible in Paint Shop Pro. I used the scale of 50 pixels to the foot. 18 by 10 foot room, with frech doors down the center. This will allow them to be opened during mixing to form a full sized control room. At that point, there will be ample space. What my question is, and I'm going to use some tape and try and sit in the actual dimensions tomorrow to see if my imagination has just thrown reason out the window, or if i actually had a decent idea.

The way i checked size is by making a drumkit out of 22inch x24inch kick, 14 inch snare, 12inch tom, 13inch tom, 18inch floor tom, 14inch hihat, 16inch crashes, 20 inch ride. It seems to not take up as much space as i thought.

The control room sonsists of a 3foot by 5 foot desk which would sit my 1604vlz a flatscreen, keyboard, mouse, and papers etc. to the sides are two 20inch x 20inch racks, with my 20/20bas sitting ontop. Two windows and the one on the longer wall would have an AC wall unit. The idea of not putting in windows into the "live" room is too keep sound from escaping outside.

I realise there are A LOT of 90 degree corners. I can't angle the walls as i will lose too muc space. I will have to find other solutions like the frequency absorbers John designed.

On with the questions:

1)If I use heavy foam on the french door frames and whre they ouch, can i achieve a decent amount of isolation where i will be able to monitor with speakers during drum tracking. If not, will a pair of THICK curtains hanging infront make a difference. If not, then pretty much the idea is finished.

2)I want 18x10 foot internal dimensions. This leaves me with a few options for wall contruction. Most likely i will not be able to use brick so the shed will mach the house. The locations around here are mostly wood siding. What is an STC rating that will achieve good isolation from outside. Whether or not this is a two room setup, the main concentration will be on external noise prevention. A.k.a neighbours. I think the flexible channel with insulation is what looks the best space saver. But i don't know if the rating of 47 is good enough for what im asking.

3)I realise this could get cramped at times. But something is better than nothing. I'm really being stifled creatively by the way i have to play music lately. Random jams or nothing at all. I used to record myself with a 4 track weekly before i started university. This seems like even a step up from that. But in my anxiety to have somewhere to play, is this idea just too hopeful? Should i just stick with one room, and learn to love the fun of playback monitoring? I would also not have the ability to brin my friends band's in. I record them in crazy makeshift setups at their houses they are renting, but it gets a pain to lug equipment around, and its not somewhere where i can listen on monitors anyway.

Thanks, for getting this far if you did. I hope i can get John in here and say its not going to be professional, but that its a workable idea! If not, im ready for constructive criticism, like how well baffles can help isolate within one room. Say if a guitarist and a drummer are playing. Again, thanks.
 

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Kris,

For a space that size, I would advocate going with one big room, as opposed to two smaller rooms. The spaces you are proposing are so small that the best you could hope for is to deaden everything and then sweeten with reverb at the end. Also, without really aggressive construction practices, you'd have significant sound leakage between the two spaces. If you are dead set on two rooms, I'd consider putting it so each room opens to the outside. That will cause other problems, but it will give you the separation for each room that is presumably the whole reason you're considering the double room thang. Yes, you'll have greater leakage to the outdoors, but as with all studio design, it's all tradeoffs.

Also, make sure you give yourself sufficiently high ceilings (while avoiding any height that is close to an existing width or length). That's a cheap way to get more volume (spatial, not decibel).

Good Luck
 
Coupla' thoughts.

The size of your drum kit looks maybe a little optimistic. If you've got a friend with a kit set up try taping it out and see. I'd be interested to know as well.

If it's realisitic your room looks feasible to me. I'd consider getting rid of the french door and putting in a set of slightly off parallel sliding glass doors. These are generally built to provide a good air seal, and having the two with an air space in between will increase the sound isolation. Crank up those monitors and you'll probably be alright.

Your proposed wall construction is similar to what I've done--I can probably tell you the results in a couple of weeks. I've also got a couple of sliding doors between my live room and the outside world, so I can give you an estimate of how much isolation you get from standard sliding glass doors. If you sheet the exterior framing with plywood siding, fill the framing cavities with mineral wool, mount 5/8-in sheet rock to RC channel, you should get a pretty good STC rating. If you want it slightly better, you can consider adding an additional layer of sheetrock to the interior walls (say 1/2-in).

Good luck.

Alex
 
Todzilla - I agree, I am pushing the limits with the two room idea. But thats why i was trying to make the "two" rooms become one larger one with the french doors. It would allow for some isolation.

There are some properties that hes looking at that have really big lots, and that may allow for more space. But then, I'm working with best case scenarios, and its easier to come up with solutions with that, as John has already drawn a 24x18, and garage studio designs on here. Just flexing my what-if muscles in my brain.

How well do baffles work on drum mic isolation from guitar amps?
 
Resiliant channel?

Hello alex, say, I thought I read something that implied that resiliant channel only works if the wall framing is open on the opposite side of the framing, to another wall. I could be wrong about this, but another member said he thought he read the same thing. But I'm no expert on this so don't take my word on this. Just hate to see a lot of work done for nothing. All the connection details at floor, cieling , wall corners etc. have to be detailed to reflect the benifits of resiliant channel also. Like at door jambs, HVAC vents, etc. At least thats my understanding. And BTW kristian, if you do build a seperate bldg. shed size or not, think about what you are going to use for HVAC, and fresh air, because when you soundproof you airproof, and small rooms with 2 to 4 people and equipment and lights will raise the temperature/humidity, fairly quickly. Nothing is worse than trying to mix while sweat is dripping on your mixer. Not to mention your clients/friends comfort/safety. No Noise from the outside means breathable air inside gets stale real quick. The ONLY way to completely soundproof, is to seal every single place where sound can enter, and that means even a nailhole in the sheetrock. Which translates to no air entering, UNLESS you have a proper designed
duct system for the HVAC, otherwise you compromize the soundproofing. That IS the conundrum.:)
fitz
 
Fitz,

My understanding of the whole RC channel construction is you're trying to decouple the drywall from the timber frame so that sound wave-induced vibrations of the drywall aren't transmitted through the studs to another facing material which in turn vibrates and transmits the sound.

That said, placing the drywall surface which is on the incident side of the sound source on channel should deaden the sound--this is what is shown on all of the STC charts as well as the US Gypsum website. What is less clear is in an inside-out wall design what benefit you get from the channel, where the drywall material is actually on the backside of your timber frame. This I think is the case you were referring to. In my mind there is still probably some benefit (provided the wall is airtight) since the channel will allow the drywall to vibrate and dissipate some energy.

Alex
 
HVAC

For ventilation there will be a wall unit AC. I said that on the first post. Its Texas, i think i would be limited criminally insane to not think about that. What size room is needed minimum for this idea http://www.saecollege.de/reference_material/images/Garage 2.gif ? Thats what I would love to do, a simplified version of that, minus the crazy angles and room in a room idea.
 
Kristian,

The way I figure it (based on the size of the doors shown), that drawing scales to 23.5 ft x 10.75 ft., based on the outside dimensions of the structure shown (the fat blue line). Maybe John will chime in if I'm way off base.

Regarding your HVAC--you will want to have some type of air exchange through your live room--either between it and your control room or with the outside. There's ways to do it fairly cheaply if air exchange is all you're going for.

Alex
 
Looking at it again and scaling off the "Smartdraw" chair shown behind the desk, I get dimensions of 36.75 ft by 16.75 ft.

Probably more realistic.

Alex
 
Dimensions.

Sure, is there a way to flag John to this thread? :( I wouldn't ever get that much space. for width, 12 will be pushing it. But I will try to get as long as a space as possible so i will be able to split it into hopefully two rooms.

With respect to getting air to the non-control room, I need some way to get air there as well. If you were alluding to giving me your answer for that, it would be appreciated. I have to research all this stuff for a couple months anyway. So the more info the better.
 
Kristian,

Basically you need a way for air to get in and out. You could run a duct from your control room into the live portion (assuming your wall mounted AC unit can suck in outside air). Alternately, run a duct through the wall to the outside--this will be your fresh air to the room. There are plans on this site for how to sound isolate a duct--but basically you build a box around it and send the outlet through a couple of 90 degree turns before its let out. On the inside, somewhere a ways away from your inlet duct, put in another duct. This one should have a ventiallation fan inside of it, to suck air out. Again, route this to the outside to vent through an isolated box again.

FYI--I'm in roughly the same situation, only I've got a window type AC unit mounted in my live room. I'll be installing a duct fan and some flexible duct to exhaust air out of the room and create some circulation of fresh air. I don't have an attic area so my duct will just be routed along the ceiling on hangers. My plan is to bring the exhaust duct out the same window penetration that the AC unit sits in. I'll build a box around them both for isolation. John provided a schematic for this type of isolation a while back. Do a search and you should probably be able to find it.

Another friend of mine is venting his live room just as I described above, with no AC. His design is based on another live room in the area which successfully implemented the scheme.

Cheap duct fans are available at Home Depot. You can find better stuff and more of a selection through HVACquick.com.

Alex
 
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