Title: Change background.
Course: Television and Media Production II (11103-II) > Section: Production: Mastering Control Room Equipment

Changing the background may include adding effects, using chroma key, and

- deleting the original background
- creating an alpha channel for transparency around the subject
- blending the subject image to the new background (the new background image must meet quality specifications)
- merging the images.

Process/Skill Questions:

- What colors can be most effectively replaced using chroma key?
- Why create a background effect?
- Why eliminate shadows when chroma keying?
- In what situations might chroma key be chosen to create a background or image effect?