I am a little confused by this discussion. isn't even a single microphone (of
whatever pattern) picking up z axis signal as well the direction intended?
isn't there some z signal even in standard m/s or x/y recordings?
umashankar
> Date: Mon, 3 Jun 2013 12:07:59 +0000
> From: [email protected]
> To: [email protected]
> Subject: Re: [Sursound] Nevaton microphones
>
> On Mon, Jun 03, 2013 at 05:51:40AM -0000, Michael Chapman wrote:
>
> > -If you want a horizontal W (say 'W(2)')
> > -if you are happy to have this 'omni' as having a cardiod polar pattern
> > (in the vertical plane) -which surely one wants to match the vertical
> > polar patterns of X and Y (???)
> > then:
> > -I am fairly sure you can derive this from a Periphonic B-format, that is
> > a transformation from
> > { W(3), X, Y, Z } ---> { W(2), X, Y }
> > is possible (and X and Y are unchanged).
>
> A vertical section of the required polar pattern would be a
> fig-8 but with both lobes positive. G(Az, El) = abs (cos (El)).
> Not possible in first order (or any finite order). You can
> approximate it using even order zonal components.
>
> Ciao,
>
> --
> FA
>
> A world of exhaustive, reliable metadata would be an utopia.
> It's also a pipe-dream, founded on self-delusion, nerd hubris
> and hysterically inflated market opportunities. (Cory Doctorow)
>
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