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From: "Keller, Steve" <c>
Date: Wed Feb 20, 2002 10:42pm
Subject: RE: OT: acoustic treatment for monitor room

Check this out.  I haven't actually built these myself, but it's on my list
of things to do :)  (of course, my room has rugs, curtains, and a big wall
covered with carpet, so it's not so urgent for me...)

http://www.ethanwiner.com/basstrap.html


>Anyone have experience with acoustic damping products that they would
>recommend or DIY approaches -- I work in square room with wood floors
>that is highly reflective and smears up my Mackie HR824s, need to do
>something about it.
>
>I've gone to check out semi-pro stuff and it's just artfully cut
>foam....I don't want to pay big bucks for what is essentially a very
>low-tech idea.
>
>You can reply
 to me off-list
>
>rijstafel


Steve Keller
Sr. Software Engineer, Worldwide Technology Services & Operations
email: skeller@e...

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From: "kickindaspeaker" <david@...>
Date: Wed Feb 20, 2002 10:31pm
Subject: Re: OT: acoustic treatment for monitor room

 > Anyone have experience with acoustic damping products that
they would
 > recommend or DIY approaches

Check this out:
http://groups.yahoo.com/group/acoustics/

I just finished my studio: panels of 703' wrapped into burlap and
framed with painted 1'x3'. It looks really professional, and is
much better than foam (auralex and stuff). I probably spent about
$200 total, but it took a while and some help to fix the things to
the walls. It really looks amazing now, though.

And the sound: you wouldn't believe the imaging!!! If you close
your eyes you would never believe it only comes out of 2
speakers!

David
http://mp3.com/6ameternal

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From: "maakbow" <maakbow@...>
Date: Wed Feb 20, 2002 7:25pm
Subject: Re: OT: acoustic treatment for monitor room

Fibreglass is probably still one of the most efficient absorbers,
cost and sound wise.Check spec's of other domestic insulation
products.Often they are better than the pro foams.
BEWARE the health hazards, but they can be contained.
Most insulation company's provide data on which frequencies, various
products absorb.
Do a little acoustics study, and in conjunction with your ears, you
will be able to work out which frequencies you need to absorb.[dont
forget you can reflect and diffuse with good results also].

MAAK

 > Anyone have experience with acoustic damping products that they
would
 > recommend or DIY approaches -- I work in square room with wood
floors
 > that is highly reflective and smears up my Mackie HR824s, need to
do
 > something about it.
 >
 > I've gone to check out semi-pro stuff and it's just artfully cut
 > foam....I don't want to pay big bucks for what is essentially a
very

 > low-tech idea.
 >
 > You can reply to me off-list
 >
 > rijstafel

[redirected from LUG to Logic-OT:]

From: Vincent Kenis <vincent.k@...>
Date: Thu Feb 21, 2002 9:04pm
Subject: Re: [LUG] OT: acoustic treatment for monitor room

 >Anyone have experience with acoustic damping products that they would
 >recommend or DIY approaches -- I work in square room with wood floors
 >that is highly reflective and smears up my Mackie HR824s, need to do
 >something about it.
 >
 >I've gone to check out semi-pro stuff and it's just artfully cut
 >foam....I don't want to pay big bucks for what is essentially a very
 >low-tech idea.
 >
 >You can reply to me off-list

and please cc me

thankx

I just completed a new surround mixing room which I'm currently moving 
into.  It was designed by Chips Davis, and although I don't have it full of 
recording gear yet, my preliminary listening in the room tells me it sounds 
excellent.

The side walls are covered by RPG BAD panels.  These are a cloth-covered 
panel with a layer of diffusing masonite and 1" compressed fibreglass.  The 
front and rear walls are covered with panels we built, identical except 
they don't have the masonite.  The drop ceiling has these same panels over 
the rear, and RPG Omnifussors over the mixing area for addition diffusion. 
I don't know which of the two RPG products has the most influence on the 
acoustics, but using one or the other would probably be plenty for most 
requirements.

The panels we built were probably around $7,500 between materials and 
labor, and the RPG stuff cost around $9,000 including shipping. Not cheap, 
but definitely not "artfully cut foam!"  This is probably considered 
mid-line acoustic treatment, since you can easily spend $20,000 or more on 
a single custom RPG rear wall diffusor!

Sean McCoy
Oregon Sound Recording

p.s.  The monitor system I chose was the 5.1 package from Blue Sky.  I 
don't have surround functional
         yet, but so far I really like the sound of these speakers in a 2.1 
configuration.

  At 07:02 PM 02/22/2002 +0100, you wrote:

>[redirected from LUG to Logic-OT:]
>
>From: Vincent Kenis <vincent.k@...>
>Date: Thu Feb 21, 2002 9:04pm
>Subject: Re: [LUG] OT: acoustic treatment for monitor room
>
>  >Anyone have experience with acoustic damping products that they would
>  >recommend or DIY approaches -- I work in square room with wood floors
>  >that is highly reflective and smears up my Mackie HR824s, need to do
>  >something about it.
>  >
>  >I've gone to check out semi-pro stuff and it's just artfully cut
>  >foam....I don't want to pay big bucks for what is essentially a very
>  >low-tech idea.
>  >
>  >You can reply to me off-list
>
>and please cc me
>
>thankx
>
>
>
>
>
>
>
>Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/

You need a mix of absorption:

http://www.ethanwiner.com/basstrap.html

and diffusion

http://physchem.kfunigraz.ac.at/listeningroom/diffusors.html
http://www.audioasylum.com/audio/tweaks/messages/1725.html


and probably too much info here!

http://www.linkwitzlab.com/frontiers.htm
http://www.electroacoustics.co.uk/article/essroom.htm

if anybody knows how to build a proper Quadratic Residue Diffuser rather
than one using primitive roots, please let me know!!

--
Mark Lennox
Technical Consultant
ENDUSER
Suite 40
Guinness Enterprise Centre
Taylors Lane
Dublin 8
Ireland
Tel: +353 1 4100 665
Fax: +353 1 4100 985
web: http://www.enduser.com
--
----- Original Message -----
From: "Joeri Vankeirsbilck" <joeri@...>
To: "Logic OT" <logic-ot@yahoogroups.com>
Cc: <vincent.k@...>

Sent: Friday, February 22, 2002 6:02 PM
Subject: [L-OT] Re: OT: acoustic treatment for monitor room


> [redirected from LUG to Logic-OT:]
>
> From: Vincent Kenis <vincent.k@...>
> Date: Thu Feb 21, 2002 9:04pm
> Subject: Re: [LUG] OT: acoustic treatment for monitor room
>
>  >Anyone have experience with acoustic damping products that they would
>  >recommend or DIY approaches -- I work in square room with wood floors
>  >that is highly reflective and smears up my Mackie HR824s, need to do
>  >something about it.
>  >
>  >I've gone to check out semi-pro stuff and it's just artfully cut
>  >foam....I don't want to pay big bucks for what is essentially a very
>  >low-tech idea.
>  >
>  >You can reply to me off-list
>
> and please cc me
>
> thankx
>
>
>
>
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>

Thoughts from the mind of Mark Lennox, 22-02-2002:

>if anybody knows how to build a proper Quadratic Residue Diffuser rather
>than one using primitive roots, please let me know!!

Hey, is this the Startrek list or what?  "Captain, they're charging 
their Quadratic Residue Diffusers."  "OK, red alert, all hands at 
battle stations.  Mr. Worf, remodulate the Virtual Modulation Matrix."

:-)
-- 
Hendrik Jan Veenstra  <h@...>
Omega Art: http://www.ision.nl/users/h/index.html

> Hey, is this the Startrek list or what?  "Captain, they're charging 
> their Quadratic Residue Diffusers."  "OK, red alert, all hands at 
> battle stations.  Mr. Worf, remodulate the Virtual Modulation Matrix."
> 
> :-)

he he he : )

I'm like Superman, I wear my anorak under my day clothes....
--
Mark Lennox
Technical Consultant
ENDUSER
Suite 40
Guinness Enterprise Centre
Taylors Lane
Dublin 8
Ireland
Tel: +353 1 4100 665
Fax: +353 1 4100 985
web: http://www.enduser.com
--

Originally, the reason I considered 'Normalizing' is because I find
that the audio files I bring from Logic into Live seem much quieter than
the samples from commercial kits.  So to compensate I would have to
increase the gain for each of my own samples, a bit time consuming. 
	 Any ideas about a quick and efficient way to maximize the overall
quality and level of many short audio files so that they compare to
commercially available sample libraries?  I guess the best way is to
compress each sound individually before it's recorded.


chems

-- 
_____________________________________________
blue alien house inc.
http://www.galaxymall.com/site/bluealienhouse
an interstellar media-arts collective     
_____________________________________________