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February 25th, 2006, 07:21 PM | #1 |
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BR-HD50 Deck - RS-422A interface
Does anyone know of an RS-422 device that can
give VTR control with 3 JVC BR-HD50 Decks? Lock/Sync the timecode for a 3 camera shoot? |
February 25th, 2006, 07:34 PM | #2 |
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IF you could find an old-school A/B Roll Edit controller you could control 3 decks, and concievable get them in sync (if you prestripe the tapes.) The only problem is that one would be in record and the other two would be playing. However, you might be able to manually put the two playing decks into record mode once they are running at speed?
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February 25th, 2006, 09:33 PM | #3 |
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How about a simple device for the LANC input
How about a simple device for the input in the back
of the deck labeled: LANC? How about a basic device that would just have VTR control thru the RS-422 port? |
February 25th, 2006, 09:47 PM | #4 |
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Just a question but are you going to have 3 camera operators? Why not just sync off a visual cue? Like a camera flash? Without genlock you'll need some visual cue in order to sync.
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February 26th, 2006, 12:28 PM | #5 |
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Sometimes the cameras are in a difficult to access place
Sometimes the cameras are in a hard to reach place
so, I thought I would have the 3 cameras feed into 3 decks and then have psedu-sync control over the three decks. Plus the there would be alot of starting and stopping of the recording. |
February 26th, 2006, 01:07 PM | #6 | |
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Quote:
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February 26th, 2006, 02:03 PM | #7 |
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Visual Cue
True, what are people using these days for a visual sync que?
Some type of flash device with a remote? |
February 26th, 2006, 02:05 PM | #8 |
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Having shot about 20 multi-camera concerts on DV (many of them being 7-8-9 cameras), you're much better off just letting cameras roll.
If I have a guy break roll during a concert more then once, that's when I have a talk. (or...consider having their right thumb removed!) :-) With a little practice, it becomes pretty easy to sync multiple cameras as long as you have an audio reference on each camera. It sounds daunting and scary to just worry about syncing in post (and not during the shoot), but as long as no cameras break roll, you'll be fine. [edit: ooops, just remembered this is a live to VTR situation. But if the idea originally was just to make post sync easier (and nothing else) then I guess I'll let my post alone]
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February 26th, 2006, 02:33 PM | #9 |
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There are a couple of ways to do it. If your NLE supports multicam then you'll need a visual cue like a flash or something that all camera's picked up. If you sync manually on a timeline then the audio waveform will serve as a sync.
Nate is right, if any camera breaks roll then it's thumb screws for the camera operator and nightmares for the editor. That is the only way I know to do it without bonafide genlock. |
February 26th, 2006, 08:43 PM | #10 |
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Wouldn't you just let the cameras TC go on freeroll so you aren't hurt by starting and stopping?
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February 26th, 2006, 09:33 PM | #11 |
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You're overthinking it a little. All you have to do is set one deck to Int TC set it to freerun(time of day is fairly standard). Set the other 2 to TC Ext, slave from the first. The trick is you always start recording on the Int TC deck first and stop it last. When you log your footage from the first deck you can use the exact same in and out points for all subsequent footage since they all have the same TC. And to answer your original question, yes they do make such a device but I've only used it once and I don't remember what it's called but it does exist. Good Luck, Jason.
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