Need help with soundproofing basement.

  • Thread starter Thread starter Dalmazian
  • Start date Start date
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Dalmazian

New member
Ok my question is this, im new to all this. I have a wall in my basement seperating both sides of the basement. I wanted to build a 12 1/2 feet, by 7 foot addiction in one of the corners. So that i would only be constructing 2 actuall walls. The other sides are the foundation and the pre existing wall. Well what would be the easiest way to build and soundproof that? I just want to use this for vocal recordings.

http://www.picgoo.com/uploads/dsc00555.jpg
http://www.picgoo.com/uploads/dsc00556.jpg
this is what it looks like. if theres anything other info i can give, let me know.
 
I may not be good at seeing through things, but it would make it far easier if you drew up a pencil plan of your basement and what you were planning to do with it. That way I can visualise it better.
 
Well what would be the easiest way to build and soundproof that?

Hello Dalmazian. Building two walls to enclose a corner is not the problem. Sound proofing it is, as that is a misnomer. Sound ATTENUATION or better yet, Sound TRANSMISSION LOSS, is the correct terminology, and provides a basis for understanding the propagation of sound through air and materials. There are many ways sound transmits from one space to another. Air leaks, structural transmission, low transmission loss in membrane assemblys(walls, ceilings etc.) There are only two methods to attenuate sound. Mass, and decoupling. Deciding how, where, and to what EXTENT you utilize these is determined by many factors. The first being a determination of the existing noise floor in the surrounding space, environmental noise, structure borne noise in the building, and any other sound that you are trying to attenuate. Read this for a basic explaination.
http://www.sota.ca/stc_info.htm

Now, the construction methodology and material choices are determined
by your own level of tolerance for sound intrusion into and out of the booth.
That is your real problem. Determining what the level of sound , that your trying to keep out/in, and is usually done by measuring it with a sound level meter for several days or weeks. However, most HR enthusiasts simply say" I want to keep it "ALL" out/in. If that is the case, then welcome to the world of STC.
If you really want to succeed at this, I suggest you read all you can here, and at this site.....

http://johnlsayers.com/phpBB2/index.php

Go to the construction forum and read ALL the "stickys". Unless you have time and money to waste, these sites will enlighten you to the world of "sound
attenuation". It is NOT intuitive, and even armed with knowledge, one can completely negate a well intentioned attempt, by lack of attention to detail, planning, and information. One more thing. For other members to give the best advice, provide them with good information to go by. A good start would be room height, size of the booth you need, existing floor, ceiling and wall assembly materials, etc, and types of sound you are trying to attenuate. Like do you plan on recording DRUMS at the same time, or guitar amps, or are there airplanes, trucks, trains or other environmental noise. And finally, what your plans are for ventilation or HVAC, as "soundproof" equals "airproof". Singers like to breath. :p

Good luck. fitZ :)
 
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