Logo Blend How To
Step1:   Find a frame in your source that has the logo surrounded by black. If you plan to use a temporal filter, be sure that the frames around your template frame are also black.
#-----------------------
Logoclipframe=5934
xpos=552
ypos=386
width=68
height=65
Minconstrastchange=0
#---------------------------------
Step 2:   Insert the frame number into the sample script and change the MinContrast setting to 0 so we can see our effected area.
Step 3:   Adjust the location and dimensions until the reversed area covers the logo with a 5 pixel border.
Step 4:   Change the Mincontrastchange value to something above 0.  (Values of 1-3 for low noise - 3 or higher for noisy sources.)
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