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PostPosted: Tue Apr 18, 2006 6:12 am 
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Mr. Electonica Dude
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I want to place two fig 8'pattern mics, 90 deg apart and one positioned inverted over the other.

Something reasonable please ......new surprise project.

MSG

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PostPosted: Tue Apr 18, 2006 2:13 pm 
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Has Been To Cheeseland
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I've read good things about the CAD M179. No personal experience with it, though. When you're done with the project you can send one along to me to thank me for the recommendation. :wink:

http://www.cadmics.com/m179.htm


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PostPosted: Tue Apr 18, 2006 7:10 pm 
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Guitar Ho
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Watch out for phase problems.

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PostPosted: Wed Apr 19, 2006 1:48 am 
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Wants You
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I too have heard nothing but good things about the CAD M179. It's on my short list. :)


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PostPosted: Wed Apr 19, 2006 1:59 am 
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Mr. Electonica Dude
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DCinFrance wrote:
Watch out for phase problems.


It's called the Blumlein technique.

Where in the polar pattern will be the biggest problems Dave?

http://www.nickspicks.com/faq-stereoplacement.htm

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PostPosted: Wed Apr 19, 2006 3:26 pm 
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Ultra Botkiller
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Location: Where the big toe goes... the foot will follow...
That's some bloomin' technique!!!

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PostPosted: Wed Apr 19, 2006 3:32 pm 
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Robbie The Botkiller
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Not in Texas.

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PostPosted: Wed Apr 19, 2006 3:51 pm 
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Newbie
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Hmmm, just read an article on Blumlein before easter... the link must be somewhere around here... hmmm.

Think DC posted it... :oops: ?!?

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PostPosted: Wed Apr 19, 2006 4:03 pm 
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Guitar Ho
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Right out of the article, Cowboy:

Quote:
The Blumlein stereo is purely producing intensity related stereo information. It has a higher channel separation than the X-Y stereo, but has the disadvantage, that sound sources located behind the stereo pair also will be picked up and even be reproduced with inverted phase


This will also be the case of hard reflections coming from behind, arriving at a different time than the source.

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PostPosted: Thu Apr 20, 2006 4:09 am 
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Mr. Electonica Dude
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Thanks Dave.......didn't think about the reflection deal. This may be a bad idea afterall. I may try it anyway.

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PostPosted: Thu Apr 20, 2006 7:45 am 
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Guitar Ho
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By all means give it a try...think I might myself.

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PostPosted: Thu Jul 20, 2006 3:59 am 
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Lava Boy
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Geno,

Have you tried the M/S (Mid-Side) technique?

It only requires one figure 8 and one omni mic 90 degrees to the figure 8.

You reverse the phase on one of the three channels and by increasing or decreasing the mono center panned mic you can widen or shorten the stereo spread.

You can either run one stereo and one mono track into your recorded or some stereo preamps have M/S filter encoders that produce a variable effect with thee channels inside the unit but it only outputs one stereo channel so once you mix you stereo spread to tape or bits it stays where it went in as far as the stereo spread effect. I am sure you can still pan the left and right tracks but that is not how the M/S technique develops its stereo information.

I just read a review in tapeop about a rack unit designed for mastering and mixing that takes a stereo mix and lets you send seperate inputs and outputs for the center and the stereo sides for seperate processing (EQ, compression).

With vocals, bass drum, lead instruments and the bass occupying the center usually you can subtract bass from the sides only for more headroom and all sorts of other sonic mischief. Unfortunately it goes for over $2,0000.

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PostPosted: Thu Jul 20, 2006 4:14 am 
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Mr. Electonica Dude
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I'll readup Scott. I am very plaeased with the results of the omnis in my last project.

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