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Looking for a Tri Level Sync Generator. Any suggestions?
We are searching the Web for a Tri Level Sync Generator as a master sync generator for our FCP suites. Any suggestions? Are they all $5k and above?
Later,
RayRay Palmer, Engineer
Salt River Project
Phoenix, AZ
602-236-8224 office
There are three types of people in this world, those that can count and those that can’t. -
5 Replies
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Hello Ray,
don’t know what a Tri Level genarator is, as I’m using a normal black burst generator and it is working fine.
This one is reported to be okay and affordable:
(Horita BSG50)
https://www.bhphotovideo.com/bnh/controller/home?O=productlist&A=details&Q=&sku=22647&is=REGAnyway – maybe you can tell me what Tri Level means ?
Plus wordclock ?Greetings
UweFC Studio / DLpro / SDconnect / Dual 2.7 / Dual 1.4 / Dual iPod / http://www.fcpmunich.com
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What is your need for a trilevel sync generator. I would assume by your question that you are doing 24P HD work, because that’s the only reason you would need one. There are no “chaep” tri-level sync generators on the market. The chaepest thing to come along is a new product from Blackmagic that has a tri-level syn built in. I don’t believe it’s shipping yet. Check their web site. Otherwise, you gotta spend the big bucks to play with the big boys.
Michael Alberts
Ambidextrous Productions, Inc. -
Please tell me what Tri level SPG is.
Alan (London)
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What is Tri-level Sync?
The sync reference going to a camera defines when each frame begins to scan, in fact, when each line in each frame begins to scan, as it builds the entire video image. For NTSC analog video, the sync signal consists of a Blanking Pulse (sync pulse + color burst + “back porch”) followed by the video image data. This sync information is repeated every scan line.
However, High Definition camcorders can not genlock or reference to a standard NTSC or PAL video sync signal. Rather, it uses an another type of sync called Tri-level sync. It basically works in the same way as analog sync, but it is structured differently. With Tri-level sync, the signal consists of a three-level sync pulse (zero volts (0V) Blank, -0.3 V pulse, +0.3 V pulse) followed by the video image data. Like analog sync, the signal is repeated every scan line as it creates an entire HD video frame. So in the High Definition world, we need to genlock with what is known as Tri-level sync.
from https://www.jkor.com/peter/trilevel.html
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Thanks for posting this, Steven.
He does a great job explaining tri-level sync.
Later,
RayRay Palmer, Engineer
Salt River Project
Phoenix, AZ
602-236-8224 office
There are three types of people in this world, those that can count and those that can’t.
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