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Suppressing Colour Spill

Refining the Key

Colour Correcting the Key

 

Effects > Keyer > Refining the Key > 

Blending the Front and Back Clip

Use the Blend controls in the Keyer or Colour menu to blend the front and back clip in any key you create except a luminance key. The Blend controls change the blending that occurs at the edges of the key but should not greatly affect the black and white areas of the key. You can sample the colour you want to remove, and then adjust the Edge Balance trackball and Blend controls to emphasize the front or back clip at the edges of the key.

To adjust the edge of the key and blend the front and back clips:

1. Click Result so that you can see the changes as you make them.
2. In the Keyer, do one of the following:
   • Click Keyer to show the Keyer menu.
   • Click Colour to show the Colour menu.
3. Enable the Auto CC button to apply the settings in the Blend fields and the Edge Balance trackball to the front clip.
4. Adjust the Blend controls to integrate the front and back clips.

   Adjust:	To:
   Luma	Darken or lighten the edge of the key. Blend Luma only affects the luma of the edge.
   Edge Size	Set the range for the blend. Drag right to soften the edge and blend further into the key. Drag left to harden, or create a thinner, edge. Blend Edge Size affects both Blend Luma and Edge Balance.
   Edge Balance trackball	Add a cast to the edge of the key and improve the overall look by matching the edge with a colour cast in the back clip. Drag the Edge Balance trackball toward the colour you want to add. The Edge Balance trackball only affects the chroma of the edge.