Re: Multiplexing multiple video inputs

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Sorry, I don't whether it's a stupid question. But what are genlock, 4066, PIC and LM1881? Is LM1881 just like TDA8540? Thanks a
lot!

Regards,
Kevin

----- Original Message -----
From: "M B" <milesinengland@xxxxxxxxxxx>
To: <video4linux-list@xxxxxxxxxx>
Sent: Wednesday, January 22, 2003 9:10 AM
Subject: Re:  Multiplexing multiple video inputs


> I've had these ideas... the genlocking is out as we need to use cameras
> already in place. Any ideas on the price of the 4BQ?
>
> I have been thinking use a video mux, LM1881 to switch on vsync and feed to
> the same input.. maybe changing inputs is what takes so long.. it has to
> power the ADC down and up? I dunno...
>
> Thanks for the ideas though, will let the list know if they work or are
> practical.
>
>
>
>
> >You could use a box like the EverPlex 4BQ that combines 4 video inputs
> >into one output with a picture in each quadrant. It's used in small
> >shops for security cameras.
> >Or you could genlock your cameras and switch them with a 4066 and a PIC
> >for a lot less.
> >It should not be too hard to program a PIC to switch inputs on vertical
> >sync.
> >Martin
> >
> >
> >
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