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Chapter 15. Exploring Compositing Techni... > Color keying a green-screen shot wit...

Color keying a green-screen shot with Ultra Key

Keying effects use various methods to make portions of a clip transparent. To get a quick overview, choose Video Effects > Keying in the Effects panel. You’ll see many effects. With the exception of Alpha Adjust (the clip-based Opacity video effect), they fall into three basic categories:

  • Color/chroma: Blue Screen (Windows only), Chroma (Windows only), Color, Non-Red, RGB Difference (Windows only), and Ultra Key

  • Luminance: Luma, Multiply (Windows only), and Screen (Windows only)

  • Matte: Difference, Garbage, Image, Remove, and Track


  

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