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Video Assist for 3 Cam HD P2 shoot


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#1 Bryan Jacobson

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Posted 19 November 2007 - 10:39 AM

Okay heres the scenario, 3 camera shoot, 3 HPX-500's all shooting 720p 24PN.

1. Is there a quad split monitor that I can plug 3 cameras into, take that monitor output
and record the quad output so I can see all 3 camera shots playing in sync upon bringing up
the clip recorded from the quad output for video assist? I'm trying to minimize recording
devices for playback.

I've looked around but I haven't been able to find a quad input monitor for rent or any
type of signal processing to create a quad screen based on 3 inputs.

2. Going from the cameras to the DDR or Deck has anyone had any experience with
wireless monitor out? I've never worked that way before but the director suggested it.

This will not be a live event but a narrative feature, so we are going to want to be able
to access instant playback from all 3 cameras in sync from one location.

Thanks for any help you can offer me!!
Bryan
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#2 Mitch Gross

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Posted 19 November 2007 - 12:19 PM

There are NLEs that can make quad splits (aka multiplex). The hardware to do so can get expensive. Some monitors can do it but not output the slip, just display it. The CineTal monitor can do it, and we do have them in rental. It has both a router and a monitor as one, so it can take multiple inputs and multiplex them, and then output this as a multiplex as long as that is chosen as the display image on the monitor. It is important that the three cameras be genlocked, which the HPX500 can do. Any other solution will be big, cumbersome and expensive. Feel free to contact me offlist about this if you wish.
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#3 Brad Grimmett

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Posted 19 November 2007 - 08:30 PM

I've worked with a couple of script supervisors that record quad split on their laptop. They actually do the split themselves before inputting into the laptop. Not sure what they're using, but if you'd like to speak to one PM me and I'll give you his #. It's actually a pretty fantastic way to do the job as well since he has the actual footage for reference for continuity.
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#4 Luke Prendergast

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Posted 20 November 2007 - 03:04 AM

I've used CCTV multiplexers for this. Very cheap. Only for composite SD though.
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#5 Saul Rodgar

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Posted 20 November 2007 - 03:29 AM

By all means please let us know how you accomplish this. It could be really handy info. Thanks!
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CineLab

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Opal

Paralinx LLC

rebotnix Technologies

Technodolly

The Slider

Media Blackout - Custom Cables and AKS

Rig Wheels Passport

Metropolis Post

FJS International, LLC

Tai Audio

Abel Cine

CineTape

Gamma Ray Digital Inc

Broadcast Solutions Inc

Ritter Battery

Visual Products

Willys Widgets

Wooden Camera

Aerial Filmworks