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Liven up a Live Room

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Liven up a Live Room

Postby 24K on Sun Dec 10, 2017 2:41 pm

Any tips for livening up a room? It's a good sounding room for acoustic stuff (pretty controlled) but I'd like to have the option of switching it up for drums. So I would like it to be dual purpose. An ability to switch back and forth. Portable diffusers or is there an other way?

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Re: Liven up a Live Room

Postby scrotescape on Sun Dec 10, 2017 6:08 pm

Reflectors
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Re: Liven up a Live Room

Postby 154 on Mon Dec 11, 2017 7:46 am

Stone tiles under and around the drums, assuming there isn't a similar floor surface (concrete, brick, etc) already.
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Re: Liven up a Live Room

Postby Justin Foley on Mon Dec 11, 2017 11:56 am

F Alton Everest's "Master Handbook of Acoustics" has a chapter on "Adjustable Acoustics" that includes good ideas on hinged panels and rotating elements. It's a great book and well worth the $35 (or even a trip to the library).

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Re: Liven up a Live Room

Postby Big John on Tue Dec 12, 2017 12:26 pm

Some old studios I went to had two sided panels one side sound absorbing and the other reflective they used this plastic corrugated stuff on the reflective side.

Image

They could then liven of deaden as desired.
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Re: Liven up a Live Room

Postby 24K on Tue Dec 12, 2017 4:25 pm

Some great tips, thanks! Don't think I'd want to deaden it any more. There's some heavy curtains on rails for that purpose. + gobos for extra separation. Floor is wooden, gonna try taking out all the rugs & add some reflectors. There's a hallway/soundlock I've considered micing but I'm not sure about adding another acoustic space to a recording. Might sound weird but also might be worth a try.
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Re: Liven up a Live Room

Postby bishopdante on Tue Dec 12, 2017 6:01 pm

What I have noticed about corridor mics is that you don't get two totally separate spaces - reverb one place and dry the other - what you get is reverb escaping back out of the corridor and entering the room as well as a highly reverberant enclosure. (Depends on your corridor, though).

In some cases you don't need to put a mic in the corridor, all you need to do is open the door, and the room will have more reverb in all the mics.

One could potentially build acoustic structures with doors which could be opened and shut, creating labyrinths similar to corridors, with mics inside.

______

Also, if you Google image search "reverberation chamber", you will find a bunch of approaches which produce diffuse-reflective sound, often involving various reflective panels and structures which are hung within the space.

It would be possible to build a wheeled reflector-thingy which could be dollied in and out of the room. If you want moveable / reconfigurable stuff, the floor is much easier to fix onto than the ceiling.
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Re: Liven up a Live Room

Postby 24K on Thu Dec 14, 2017 1:04 pm

bishopdante wrote:Also, if you Google image search "reverberation chamber", you will find a bunch of approaches which produce diffuse-reflective sound, often involving various reflective panels and structures which are hung within the space.


Cool, they look like modern art pieces.
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Re: Liven up a Live Room

Postby bishopdante on Sat Dec 16, 2017 9:30 am

scrotescape wrote:Reflectors


Flat reflective elements don't add reverb to the same extent as diffusers – the most important feature is that a diffuser changes the angle of reflection by scattering as well as reflecting the wave.

QRD diffusors are pretty easy to build, and there are various useful calculators for working out the frequency range & angles.

eg: http://www.subwoofer-builder.com/qrdude.htm

Those can be built and put on wheeled dollies, like gobos.

Image

154 wrote:Stone tiles


Conventional ceramic bathroom type tiles are a good, cheap option. Pretty much anything that isn't flexible and has a bit of mass will do.

Have often thought that concrete can be cast into all sorts of interesting shapes, and is pretty cheap (but abominably heavy).

Plywood, hardwood, MDF etc are all perfectly reflective, also.

Pretty much any hard surface of irregular shape will add diffuse reverb of some sort, especially if it's a mixture of absorbent, semi-absorbent and reflective materials (resulting in various diffraction effects and angle-warping).

Various chunks of assorted wood offcuts stuck together is a good option: Image
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