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A good, well-lit background should show a straight, tight, horizontal band on the waveform. The line should rest at the proper level of brightness. For chroma green, the line should be at about 40-45 IRE on the waveform. For chroma blue, it should read at about 25-30 IRE.
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Follow these easy steps to learn how to use the chroma key in Sony Vegas to edit your green screen footage for your next video project. Skip to content. Stock Media .
You need to adjust the key mask with the sliders "Low Threshold" and "High Threshold" until the mask is clean. "Clean" means the mask consists of pure black and pure white without any gray tones. Use the "Show mask only" option while tuning the chroma key thresholds.
In this video, I go over how to use the chroma key effect in Vegas Movie Studio 15. I do not go that in depth, as this tutorial is made for beginners. Commen...
We’ll use the image to create a matte with the Luminance Mask. In the Video Event FX window, uncheck Chroma Keyer to deactivate it. The original image appears without the green screen removed. Click Pan/Crop, then uncheck the Mask box to deactivate the garbage mask. Now the entire original image is visible.
