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Smoothing out 1Hz luminance modulations (fixing a poor DIY telecine)
Hi there,
A client of mine has just done a DIY transfer from standard-8mm to DV by pointing his DV camera at his 8mm projector’s screen! The image quality is surprisingly good EXCEPT that the luminance is modulated at a frequency of about 1Hz. I assume this is because the DV camera was running at 25fps whilst the film camera was going at 24fps so there’s a 1-second beat frequency. This luminance modulation is subtle enough to mean that the client (an ex-Physics researcher) didn’t notice the problem… but, still… it needs to be fixed.
Is there any way to smooth out these liminance oscillations? In other words, can I normalise luminance?
I have considered animating some levels keyframes but this sounds like a very painful procedure (there’s 40 minutes of footage).
Any ideas would be very helpful!
Many thanks,
Jack====================
Jack Kelly
London
Dir / Prod / Camera
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2 Replies
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Hey Jack, you may want to give the Color Stabilizer effect a try. It’s pretty self-explanatory:
Effect>Adjust>Color Stabilizer
Chris Smith
https://www.sugarfilmproduction.com -
Thanks a lot for your replies. I’ll try the Color Stabilizer effect a go.
Dave: do you have a link to the thread from 2 weeks ago? It wouldn’t have been my client… he did the transfer a few days ago.
Thanks,
Jack====================
Jack Kelly
London
Dir / Prod / Camera
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