KVR Audio

flex42 · Post by **flex42** » Mon May 23, 2005 1:54 pm

Well, free would be great but commercial recommendations are also welcome...
I think the noisevault ones are all mono or stereo, but not true-stereo.

rsmus7 · Post by **rsmus7** » Mon May 23, 2005 2:35 pm

I collected some url´s for free responses.

Though I dont know if they are true stereo, but you might check these:

http://www.ece.nmsu.edu/~pdeleon/BSS/Im ... onses.html

http://www.studiocovers.com/articles9.htm

http://www.cksde.com/p_6_250.htm

http://www.echochamber.ch

http://www-sigproc.eng.cam.ac.uk/oldhom ... index.html

http://homepage.hispeed.ch/zidee/

http://www.ressl.com.ar/realreverb/index_old.html

http://www.spiritcanyonaudio.com/index.php

http://sound.media.mit.edu/KEMAR.html

http://www.acoustics.net/

http://www.prosoniq.com/ needs for PC : http://www.stuffit.com

http://mediasoftware.sonypictures.com/d ... sp?CatID=6

flex42 · Post by **flex42** » Mon May 23, 2005 2:45 pm

Thanks! Some of those i didn't know.

Pantsdown666 · Post by **Pantsdown666** » Mon May 23, 2005 2:59 pm

Here's my list of free ones - quite a few double-ups with those mentioned before (sorry - in a hurry!) , but a few others too :

Noisevault
http://www.noisevault.com/index.php?pag ... 1929371c0e 626860f16

Voxengo
http://www.voxengo.com/impulses/

Prosoniq (need AIFF to WAV conversion0
http://www.prosoniq.net/html/ir.html

Kaleidoscopy demo
http://www.spiritcanyonaudio.com./kaleidoskopy.php
12MB of IRs available in the demo of this plug

Lexicon PCM-90
http://homepage.hispeed.ch/zidee/

Echochamber
http://www.memi.de/echochamber/responses/index.html

KangImp
http://www.geocities.com/kangimp/

IR of the Month
http://www.cksde.com/p_6_250.htm
(monthly collections, includes good basic description of Impulse Response technology)

Fokke van Saane
http://www.xs4all.nl/~fokkie/IR.htm
(includes some great specialist spaces for sound designers)

Real Reverb
http://www.ressl.com.ar/realreverb/index_old.html#ir
(.exe files)

Altiverb user's Impulse Response Library
http://altiverb.daw-mac.com/library.html

Sanitarium demo
http://www.spiritcanyonaudio.com/sanitarium.php
(18 MB of IRs in the demo version of this plug)

Spectral Relativity demo
http://www.spiritcanyonaudio.com/spectralrelativity.php
(11 MB of IRs in the demo version of this plug)

MoreVox
http://www.ilpoggiorecording.com/morevox/

Cyber Kitchen Sound Design Enterprise - via Voxengo
http://www.voxengo.com/pspace/

Samplicity
http://www.samplicity.com/download/index.html

re-201 space echo
http://www.device.antisound.net/?section=other

flex42 · Post by **flex42** » Mon May 23, 2005 3:11 pm

Thanks!
Still, if anyone knows specifically where to find true-stereo impulses, please let me know.

greendoor · Post by **greendoor** » Tue May 24, 2005 2:12 am

Most impulses are stereo, but by True-Stereo, do you mean matching pairs of stereo waves to work with a four channel processor? As I understand it - the problem with a simple two channel stereo impulse is that if you feed just the left or right channel, you will ony get wet signal on one side. In a real room, even an impulse right at the wall boundry will create a stereo reverb response. So - the thinking is that if you take two stereo impulse, from left and right persepectives, and use a 4 channel processor you will get more of the action. My concern with this, if it isn't done right, is that the important Mid sound - where you lead vocal sits - might have a phasey blend of the two seperate stereo impulses. This doesn't sound like a good idea to me, but I admit I haven't heard a good example yet. I understand some hardware reverbs do true-stereo this way - seperate algorithmns for left and right hand side. But I think the risk to mixing two stereo waves and getting a horrible phasey result is very high.

Hink · Post by **Hink** » Tue May 24, 2005 2:46 am

get the impulse modeler from voxengo and make em yourself...

flex42 · Post by **flex42** » Tue May 24, 2005 10:50 am

greendoor wrote:Most impulses are stereo, but by True-Stereo, do you mean matching pairs of stereo waves to work with a four channel processor?

Yep!
I don't have the problem you mentioned with the few true-stereo impulses i have though. (And panned sounds just sound a whole letter better with them.)

Hink, thanks for the impulse modeler suggestion! I have never tried that program but will do so now.

Rangtangtang · Post by **Rangtangtang** » Tue May 24, 2005 11:06 am

Here's another one, but its a bit of download, 3 from waves.

http://www.acoustics.net/content.asp?id=96

flex42 · Post by **flex42** » Tue May 24, 2005 11:18 am

Thanks, but again, they're only stereo impulses.

Rangtangtang · Post by **Rangtangtang** » Tue May 24, 2005 11:32 am

Well, don't they come as stereo or a collection of mono, you pair up to make stereo, such as in a theater. Are you thinking of quad?, then you might need capture them yourselft with four microphones. I could imagine a true quad CD,s or DVD,s whith graphics one day, but I think it begins to become rather complicated, even with the surround type systems. Most poeple arn't critical listners, and don't realy have the space for the complexity of extra wires, speakers, and approriate seating position. I think 2 decent speakers, and a powerful clean amp set to about 3, is all that is needed. But for interest sake, the music 2000 for playstation, can generate graphics, when you play a CD.

Rangtangtang · Post by **Rangtangtang** » Tue May 24, 2005 11:40 am

Also, I just like to comment about the links that have been given. Some of them don't work or they are dedicated to a particular software.

flex42 · Post by **flex42** » Tue May 24, 2005 11:49 am

No, i am not doing any surround stuff at all.
I am using Pristine Space which features true-stereo processing using two seperate stereo impulses.
Try this:
Use a drum machine and pan half of the beats hard left, the other half hard right.
Insert for example SIR.
Now it'll sound like you got beats AND rooms hard left and hard right with no ambience spill in the middle. Great effect but it sounds very unnatural.
Using two matching pairs of impulses would create a much more realistic reverb.

Rangtangtang · Post by **Rangtangtang** » Tue May 24, 2005 12:01 pm

A live stereo capture must be true stereo. Maybe, whith pristine space, you must have the positioning in regards to the front and back? So you are visualising or viewing the room from outside from, say, a window looking in. Is the drum machine close on one side and on the other side its the reverb from the corner of the room?
Im just thinking. Anyway you can have 2 wave files, dry and wet, so, dry on right and wet on left?

flex42 · Post by **flex42** » Tue May 24, 2005 12:06 pm

true-stereo just means two matching stereo impulses wave files (4 channels all in all).
with just one stereo file you get zero reverb in the middle on hard panned sounds.

I am looking for free true-stereo impulses...