On Nov 26, 9:57 pm, Sonnova <sonn...@[EMAIL PROTECTED]
> wrote:
> On Mon, 26 Nov 2007 01:51:09 -0800, Peter1955 wrote
> (in article
> <c078c646-4d4f-4157-92f5-b1e0a3e6c...@[EMAIL PROTECTED]
>):
>
>
>
>
>
> > On 25 nov, 22:49, Sonnova <sonn...@[EMAIL PROTECTED]
> wrote:
> >> On Sun, 25 Nov 2007 05:20:12 -0800, Peter1955 wrote
> >> (in article
> >> <ba18e1c5-98ee-4092-b59c-c9438ca05...@[EMAIL PROTECTED]
>):
>
> >>> I'm using a shotgun-microphone on my amateur videocamera. I want to
> >>> add a small microphone with a figure-8 pattern in order to get some
> >>> stereo side-effect (m/s). I've a small stereo-mic in stock. Is it
> >>> possible to change this mic to a configuration with a figure-8
> >>> pattern?
>
> >>> Peter
>
> >> Generally not. The microphone has to be designed to be a
figure-of-eight
> >> pattern (which merely means that it has equal pickup on both sides of
the
> >> diaphragm with the back being 180 degrees out of phase with the
front.
>
> > Isn't it possible to achieve this effect by
>
> > 1.
> > changing the fase of one of the channels of the stereo-mic and
> > connecting the two channels via a (special) transformer (or active
> > equivalent) to a symetric xlr-channel?
>
> > 2. simply changing the pattern of each channel of the stereo-mic
> > mechanically?
>
> > It is just an idea.
>
> 1. Most stereo mikes don't allow one to move the capsules so that they
are
> back-to-back. Also, that would only approximate a figure-of-eight
pattern
> because most stereo mikes are cardioid pattern.
>
> 2. Well, if you knew how, you could. But you wouldn't need a stereo mike
to
> do that. If you could figure out a way to change patterns on a cardioid
mike,
> you could change the single diaphragm to figure-of-eight.
>
> Why don't you just buy an inexpensive stereo mike and use it?- Hide
quoted text -
>
> - Show quoted text -
The charme of M-S stereo recording on a videocamera is that you cann
decide afterwarts in the studio if you want to use the (mono) centre
sound of the super-cardioid shotgun or a smaller of wider sterao image
by converting m-s to l-r.
Peter
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