Newbie : WHat is an M/S pair?

Archived from groups: rec.audio.pro (More info?)

Dan Chamberlain wrote:
>
> Sorry for such a newbie question : What is an M/S pair? Is that like
> coincident stereo micing?

Yes. A quick Google search for "MS stereo" came up with
http://www.paia.com/msmicwrk.htm among many others...

Daniel

Archived from groups: rec.audio.pro (More info?)

"Dan Chamberlain" <lisaduparcatering@hotmail.com> wrote in message news:<ZF6_c.122021$mD.2106@attbi_s02>...
> Sorry for such a newbie question : What is an M/S pair? Is that like
> coincident stereo micing?

The rec.audio.pro FAQ can be found here:

http://www.recaudiopro.net/faq/

If you scroll down to Q 10.1 you'll find:

"The mid-side (MS) technique is actually a special case of the
coincident pair technique. It uses two microphones: one with a
figure-of-eight polar pattern, facing sideways (S signal), and another
microphone of any polar pattern, pointing at the center of the sound
source (M signal). The two signals can be easily matrixed into L and R
signals. More details about this technique in a special section."

Archived from groups: rec.audio.pro (More info?)

In article <ZF6_c.122021$mD.2106@attbi_s02> lisaduparcatering@hotmail.com writes:

> Sorry for such a newbie question : What is an M/S pair? Is that like
> coincident stereo micing?

Yes. It's a coincident pair of mics, a bi-directional mic that faces
sideways and another mic (conventially a cardioid but omni or figure 8
also works) facing the source. The sum of the two mics is equivalent
to the right channel, the difference is the equivalent of the left
channel.



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