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Key footage with a matte layer in FCP X
I need to add a background to a stock footage clip.There are two clips, one with a person walking with a white background. The second clip has a black background and the person walking in white.
How do I combine these to make a key?
Dajen Productions, Santa Barbara, CA
Mac Pro 3.5MHz 6-Core Late 2013
FCP X -
3 Replies
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Put the matte clip above the other and set its composite mode (bottom of inspector)to stencil luma.
Now if you want to add something as a background, place it above everything and set its mode to behind. Alternatively you could make a compound out of the first two and then put the background below the compound.
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You can also use the Image Mask effect on your fill layer and drag the matte layer into the image well.
Cheers,
BillBill Davis
thedavisreview.com -
Thanks I’ll try both.
Dajen Productions, Santa Barbara, CA
Mac Pro 3.5MHz 6-Core Late 2013
FCP X
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