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Checking white levels
HI,
I recently had a problem during a (Beta SP) projection of my documentary. The white of my subtitles contained lines/”dirt”, the rest of the picture was fine though.
I was told it might be that my white levels are too high. Because I did boost the “colorimétrie” (I live in France) in “Colour change” from 1 to 1.06.
Is this possible? How can I check my white levels in FCP?
Cheers.
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1 Reply
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Salut Oliver (je suis dans Montreal),
In FCP menu, go to View > Range Check and select Excess Luma.
-OR-
In the Canvas, click on the right pulldown menu (the zoom level being the left and the playhead control being the middle) and select Show Excess Luma
-OR-
With either the Canvas or Timeline selected, press ^Z (control+Z)
When you enable this you will see either a green circle or a yellow triangle in the Canvas as well as some zebra bars. A yellow triangle is accompanied with some red zebra lines; the red zebra lines indicate the overblown areas. If you see these, then you need to bring the whites down.
This is a quick way to check. Another way (the best practice) is to check your picture through the waveform monitor in the scopes window which will let you see just how much you are excedding the legal limits. FCP documentation has a decent write up about using the scopes. I encourage you to read up on them and how to use them in conjunction with the 3-way Colour Correction filter.
Mike Barber
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