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Re: minimal surround system setup? - Eric

Subject: Re: minimal surround system setup? - Eric
From: "cfmspencer" cfmspencer
Date: Sat Jul 22, 2006 10:54 pm (PDT)
--- In  "Eric Benjamin" <> 
> > Clay wrote:
> > any thoughts on Double M/S as a minimal surround setup?
> I'm assuming that by Double M/S, you mean a single omni and two 
Fig8s at 
> right angles.  This is an excellent method for recording surround, 
and it 
> can be used to simulate the horizontal part of the output of a 
> microphone.  My colleague Thomas Chen and I wrote two papers on 
> subject, and I'd be happy to send copies to anyone who is 
interested in 
> using these techniques to record surround.
> It's lamentable that there aren't more choices for Figure of Eight 
> microphones.
> Eric Benjamin

I'd definitely be interested in reading your papers.

I recently bought an Mkh-30, as well as a 20, and am doing research 
on possible surround recording with only 3 mics in  Double M/S 
configuration before I purchase a 3rd.  

what little I've read about Double M/S suggested
using a single figure 8 for Side, along with a forward facing Mid,
plus a rear facing Mid.  the suggestion is to use the same Side 
signal to decode both the Front  and Rear "Mids" into Front and Rear 
L-R Stereo.

a Logical next microphone purchase (for general recording purposes)
 would be a 40 or 50, but I'm not sure whether either will work
out well in a Double M/S with my existing mics, thus my questions. 

another 20 would allow me to experiment with spaced Omnis, and 
another 30 would allow Blumlein configuration, as well as your 
approach suggested above.

thanks for your response,
and please do let me know how I can get copies of your papers.


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