iMovie 9 or 11 Green ScreenPresentation Transcript
GREEN Screen iMovie 9 iMovie 11
The video “holy land”: Chroma Key or Green Screen
What you need (minimum):Green fabric - Amazon $30.50 Extra Light! Home Depot $60 Kodak Zi8 - $120 Sony VC-R640 $30
Make sure your Advanced ToolsPreferences are ON iMovie 11 adds BLUE screen. Why? It’s just another option
The Process: 1. Get your background (still or video or B roll) 2. Shoot the green screen footage with reference to the background (i.e. right, left or center) 3. Upload as normal 4. The tricky part: Put the BACKGROUND IN FIRST! It WILL fail if you do it the other way. 5. Clean it up, watch for artifacts and adjust exposure/contrast
Doing it backwards: If you put green ﬁrst
When it’s WRONG
Insert the background FIRST Insert the overlay clip!
When it’s RIGHT!
To clear up your green screen Adjust these Adjust these
Last Tips USE A TRIPOD The background won’t move....so the camera shouldn’t Don’t move the camera It ruins the fantasy If your camera has autofocus, turn it off The camera will “hunt” to focus In general, closer is better