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Acoustics and ambience


revolead

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We talked about this stuff in sound and music class today. I found out some interesting things that might help you guys with your recordings and stuff. Some of it you may be familiar with, but for those who aren't here it is.

 

- For a more what's called intimate reverb, use delay times less than 20 ms. That's the scientific level for what seems intimate and close to the human ear.

 

- The scientific definition of warmth is the liveliness or fullness of bass tones. Dark is applied for strong bass.

 

- Certain materials absorb and reflect better, we all know this, but there's also coefficients of absorbtion. Here's a few examples for a note at 500 Hz:

- Concrete, unpainted - .31

- Concrete, painted - .06

- Glass - .18

- Plywood - .17

- Drapery lightweight - .11

- Drapery heavyweight - .55

- Wood floor - .10

- Carpet on concrete - .14

- Carpet on pad - .57

- Gypsum - .05

 

It is interesting to note however that gypsum board is much better at absorbing bass sounds, as well is glass. Heavyweight drapery also absorbs high frequencies even more.

 

Anyway, thought this was interesting.

Shut up and play.
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Cool info.

I'd have guessed the approximate relationships amongst these things, but it's kinda cool to have an actual number to go with it (I'm gonna sound so smart some day when I quote a few of these at someone :thu: ).

May all your thoughts be random!

- Neil

www.McFaddenArts.com

www.MikesGarageRocks.com

 

 

 

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Originally posted by NoëlMcGuitar:

Cool info.

I'd have guessed the approximate relationships amongst these things, but it's kinda cool to have an actual number to go with it (I'm gonna sound so smart some day when I quote a few of these at someone :thu: ).

Just for you Neil.
Shut up and play.
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Originally posted by guitplayer:

coefficients of absorbtion

 

I think I've found the new name of my Band

 

That RAWKS!

 

:thu:

 

guitplayer

Coefficients of ABSORPTION would be the proper spelling thank you veddy much....

:D

 

Our Joint

 

"When you come slam bang up against trouble, it never looks half as bad if you face up to it." The Duke...

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Originally posted by Now I REALLY like cardigans:

Originally posted by guitplayer:

coefficients of absorbtion

 

I think I've found the new name of my Band

 

That RAWKS!

 

:thu:

 

guitplayer

Coefficients of ABSORPTION would be the proper spelling thank you veddy much....

:D

My bad. Sorry.
Shut up and play.
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quote:

--------------------------------------------------

Originally posted by Now I REALLY like cardigans:

 

quote:

--------------------------------------------------

Originally posted by guitplayer:

coefficients of absorbtion

 

I think I've found the new name of my Band

 

That RAWKS!

 

 

 

guitplayer

--------------------------------------------------

 

Coefficients of ABSORPTION would be the proper spelling thank you veddy much....

 

--------------------------------------------------

 

My bad. Sorry.

 

--------------------------------------------------

 

Hey don't worry 'bout the spellin'. It's still a GREAT name for your band. :cool::thu:

 

And now appearing fresh from recording their new album "Concrete And Other Coefficients", here's "The Coefficients of Absorption".

 

The crowd ROARS ........ :thu:

Gotta' geetar... got the amp. There must be SOMEthing else I... "need".
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