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3 Select the foreground clip in the Timeline and click the Eects button in the toolbar.
4 In the Eects Browser, select the Luma Keyer eect.
Tip: Type “keyer in the Eects Browser’s search eld to quickly nd the Luma
Keyer eect.
5 Do one of the following:
Drag the eect to the Timeline foreground clip to which you want to apply it. Â
Double-click the eect thumbnail to apply it to the selected clip. Â
The Luma Keyer eect automatically congures itself to remove black video. If the
resulting key is not right or you would like to improve it, you can adjust the luma
key eect.
Adjust the luma key eect
The following steps assume you have applied the Luma Keyer eect.
1 In the Timeline, select the clip with the Luma Keyer eect.
2 Open the Video inspector.
The Eects section of the Video inspector shows the parameters available for adjusting
the Luma Keyer eect.
3 To reverse the key and remove white instead of black areas of the foreground clip,
select Invert.
396 Chapter 12 Keyingandcompositing