From the course: Media Composer 2019 Essential Training: 110 Fundamentals 2

Unlock the full course today

Join today to access over 22,600 courses taught by industry experts or purchase this course individually.

Set up a sequence for chroma key

Set up a sequence for chroma key - Media Composer Tutorial

From the course: Media Composer 2019 Essential Training: 110 Fundamentals 2

Start my 1-month free trial

Set up a sequence for chroma key

“

- [Instructor] For this tutorial, I'm using a new project called creating a chroma key. In the context of non-linear editing and post-production, keying means creating transparency in a foreground image and combining it with a background image to create one composite image. In a sense we achieve that using things, like picture-in-picture effects in earlier lessons but you can also create a composite by selecting a portion of a foreground clip that should be transparent, revealing your background clip and while ordinarily you might speak of having red, green and blue pixels that combine to produce an image at least if you're working with RGB color, there's actually a fourth channel of picture information and in this context we're going to refer to that fourth channel as the matte. The matte channel defines how opaque or transparent each pixel is and that setting is distinct from the color information each pixel has. There are…

Contents