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video sync probs w/xpress
capturing from DVCPRO 50 tape (capturing at 15:1s) over SDI from Panasonic 1200a deck into mojo in xpress pro 5.7 on a macpro. Running v 10.4.8 of OS.
Can see video and audio fine… no probs… everything looks good…
Before I can capture, up pops a warning
A video sync signal has not been detected from the capture source. This can cause time code drift for long clips. Please make sure your blackburst generator is connected to all decks and any V-LAN/VLXi routers.
Gives me the option to ignore… what should I do?
Want to make sure everything is frame accurate for online purposes.
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4 Replies
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is your black burst generator hooked up?
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how do I need to have the blackburst generator hooked up?
I tried taking black out of the generator into the deck… that just confuses the avid, and it doesn’t see the video…
Then I tried hooking up the generator to sync cable (from avid’s breakout cables) attached to the mojo.
should I be running a loop thru?
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You need to send black burst from the generator to BOTH the VTR and the Mojo. Doesn’t matter whether you loop it from one to the other or you use two outputs from the generator.
Bill Stephan
Senior Editor/DVD Author
USA Studios
New York City -
Or ignore the error message and dig away.
Avid won’t be frame accurate anyways, if you ingest entire tapes. (avid is not able to detect very small TC jumps on camera start/stop)So when you online, have a mixdown of your offline on top of the redigitized shots, put a wipe on it and check on motion parts. If you redig with 12 frames handles, you can then slip the online into place without too muich hassle.
(Recently did this on a 62 minute doc, took about 4 hours to ingest the online and check/slip everything).But having a bb generator is better, and will kill the annoying message. Will set you back some 150 bucks, but if you have the budget to do offline/online, you might as well have your act together.
hth.
Bouke
http://www.videoToolShed.com
smart tools for video pro’s
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