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Old August 30th, 2008, 09:51 PM   #1
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Crushing Blacks?

I've got some footage which was shot on Sony Z7, in dim light, with high gain.

The footage is slightly grainy - especially brown noise in the black areas.

I heard once that you can "crush blacks in post", to improve this. Can anyone elaborate on what this means, and how to achieve with Premiere CS3?
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Old August 30th, 2008, 10:41 PM   #2
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In levels, or fast color corrector, drag the left-most arrow of the input control towards the right - you will see the brown noise turn black. Then adjust the middle arrow as needed.
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Old August 31st, 2008, 12:07 PM   #3
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Using Curves instead of Levels will make more natural gradients and shadows, but yes - crushing blacks means severely compressing their luma range.
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Old September 1st, 2008, 05:53 PM   #4
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Thanks Graham and Jiri - got it! Works a charm! Thank you!
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