Masks hide part of one layer. Track mattes reveal a second layer. PiP shows two at once.
Grab your Guided Notes (ADD 6.4) and a pencil.
GET READY
Today's Word Bank
Every word below appears on your notes sheet. Watch closely, some get used more than once.
alpha channel
mask
picture-in-picture
track matte
How today works: we'll look at one blank at a time. Study the example, make your best guess, then we'll reveal the answer together. Fill in your notes as we go, don't skip ahead!
1GUIDED NOTES
What hides part of one layer?
A ______ is a path drawn directly on a clip to hide or reveal part of it.
GUIDED NOTES #1
MASK
Drawn directly on a single clip to hide or reveal a portion of it.
2GUIDED NOTES
What reveals a second layer?
A ______ ______ uses one clip's luminance or alpha to control the transparency of another clip layered above or below it.
GUIDED NOTES #2
TRACK MATTE
One layer controls another layer's visibility, great for animated text reveals.
3GUIDED NOTES
What stores transparency data?
The ______ ______ is the part of a pixel that stores transparency information, separate from color data.
GUIDED NOTES #3
ALPHA CHANNEL
What track mattes actually read to determine what's visible.
4GUIDED NOTES
What shows two videos at once?
A smaller video frame displayed within a larger one is called ________________.
GUIDED NOTES #4
PICTURE-IN-PICTURE
Scaled and positioned, often keyframed to move during the shot.
NOW DISCUSS
Turn & Talk
You want text to reveal a video clip through its letters, animated. Which technique from today does that, and what controls the reveal's shape?
Think → Pair → Share · 2 minutes · Write your answer on the Discuss line on your guided notes