Advantage of using DataVideo DVK-100 as pass-through?
I've read both the suggestions of:
What is exactly the advantage and the actual effect of using the DVK-100 before the DMR-ES15 in the workflow? |
The DVK comes after the ES10/15, not before.
The DVK-100 contains a weaker TBC, similar to the TBC-5000. It's made for more stable pro sources like BetacamSP, or even direct camera use, and can choke on the instabilities from VHS. So the reason for the ES10/15 is to tame the VHS some, make it stable enough for the DVK to do its job. The DVK is similar to the TBC-5000, but was also intended to pair with it. The DVK has genlock, while the TBC-5000 has matrix switching. And in that sort of pro setting, you'd want both. The DVK almost behaves closer to a genlock, with some added TBC functionality. It was designed for lock/sync of multiple separate sources for chroma keying. Remember "TBC" is a wide term., and its performance that matters, specifically for VHS with us. The ES10/15 + DVK is a viable TBC alternative, though with all the negatives of ES10/15 posterization that may happen. However, with some sources, often home-shot 80s VHS camcorder work, or nth gen VHS copying from VCRs, you need the ES10/15 anyway. The ES10/15 alone will still allow dropped frames and audio sync issues, as it only has some line timing abilities, and is not a frame sync TBC options as created by the ES15+DVK setup. |
I think I understand better now.
Do you a source like a good VCR with line-TBC (e.g. JVC HR-S9600, Panasonic NV-FS200) would provide some stabilization that could make the (expensive) DVK-100 piece redundant, or at least a refinement, more than a needed step? We discussed this in another setting. I understand that the type of contribution that a frame sync TBC provides is different from the one of a line TBC. I do not deny the benefit altogether. I just ask because I might need to make budget-oriented choices and I'd like to understand the impact of such choices. I guess my question develops around my specific need of converting home made VHS: Is the DVK-100 providing a fundamental improvement in this case? Would I be getting a decent result by just using the ES10/15? |
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Sort of like how two wrong can make a right (contrary to parents/teachers "lessons", referring to real life here), two weaks make a strong. Quote:
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Another advantage of the DVK-100 is that you can adjust color/brightness/contrast on the fly. It came in handy for me with a home video that kept going from outside to inside, so in some places it was too dark, in others too light. I watched it and wrote down the timing for when it needed to be adjusted, then captured it. Smoothed it all out, looks better than the originals.
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