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IRE levels and overshoot – Hi8 transfer (DV to DVD)
I am capturing Hi8 tapes using a Canopus ADVC-300 to DV format, and then to DVD. I would like to know if overshoot is allowed in the digital domain on DV and DVD?
My Workflow
The Canopus ADVC is set for 7.5 IRE. I have the Vegas scopes set for Studio RGB (16-235). The Canopus ADVC has an auto-gain feature, but when I turn it on, it always boosts incoming whites to (235-255).The Problem
The problem is, if I manually set gain on the ADVC, so the range is (16-235), the digital transfer turns out much darker than the original analog recording.I believe the consumer camcorder used the super-white range for actual video content above 235. So for a consumer video transfer, should I leave Auto-Gain on, and allow super-white when transfered to DV and DVD?
The ADVC software also has options for white peak adjust and White step. Should these be used instead of manually adjusting gain?
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3 Replies
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I would recommend setting the white peak manually if the software allows you to do so. Another option, if you don’t have clipping occurring in the range, is to bring in the footage with the superwhite, and repair it/set to correct levels in post.
Douglas Spotted Eagle
VASST
Aerial Camera -
My DV captures have a small black border on left and right side. The broadcast colors filter is reading this area as black. So it adjusts everything according to this area, which is incorrect. All detail is lost in the blacks. Is there a way to mask this area or change the border to IRE 7.5, before applying the broadcast colors effect?
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Oops…nevermind. I didn’t have 7.5 IRE setup selected in broadcast colors effect. Thank you for your previous response.
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