On 4/26/06, Tim Nielsen <> wrote:
> > I was partial to ORTF before I started this, but now I'm not so
> > sure. I
> > liked the sound of MS-omni in the phones. I realize that when MS-
> > omni is
> > decoded is should be identical to Blumlein, but it didn't sound
> > that way,
> > probably because of the non-ideal patterns of the mics.
>
> Is that right? My understanding is that an omni 'mid' mic causes the
> figure 8 to be the source of the stereo, so in effect, MS stereo with
> an omni mid looks like XY at 180 degrees, two mics pointing away from
> each other. The amount of the omni signal present varies the apparent
> pattern between wide-cardiod, cardiod and super-cardiod, depending on
> the ratio of mid to side. So it's not quite Blumlein, which in
> effects is still gathering sound from four directions, even though
> it's only stereo, right?
This is correct. MS with a fig 8 mic as the mid mic is identical to
Blumlein.
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