Create a solid color matte, Remove a black or white matte, Create – Adobe Premiere Pro CS3 User Manual
Page 383: A solid color matte
ADOBE PREMIERE PRO CS3
User Guide
377
2
In the Effects panel, click the triangle to expand the Video Effects bin and then click the triangle to expand the
Keying bin.
3
Drag either the Eight-Point Garbage Matte, the Four-Point Garbage Matte, or the Sixteen-Point Garbage Matte
effect to the superimposed clip.
Your choice of garbage matte depends on the number of points needed for mask shape.
4
In the Effect Controls panel, click the triangle next to the Garbage Matte name to expand the settings.
5
(Optional) If you’re animating the Garbage Matte Key over time, make sure that the current-time indicator is in
the position you want. Click the Toggle Animation icons for the position settings you plan to adjust.
6
Do any of the following to adjust the mask shape:
•
With the Garbage Matte effect selected in the Effect Controls panel, drag the Garbage Matte handles in the
Program Monitor.
•
Adjust the Garbage Matte point settings in the Effect Controls panel to specify the size and position of the garbage
matte.
7
(Optional) If you’re animating the Garbage Matte Key, move the current-time indicator either in the Effect
Controls panel or the Timeline panel and then change the Garbage Matte handle positions in the Program Monitor
or adjust the settings in the Effect Controls panel.
A new keyframe appears in the Effect Controls timeline when you move the handles in the Program monitor or
change the settings in the Effect Controls panel. You can also adjust the interpolation between keyframes by editing
the keyframe graph. Repeat this step as needed.
See also
Create a solid color matte
You can create a full-frame matte of a solid color to use as a clip. Solid background mattes can be used for titles.
1
Select the Project panel.
2
Choose File
>
New
> Color Matte.
3
Select a color from the Adobe Color Picker and click
OK.
4
In the Choose Name dialog box, type a name for the new matte and click
OK.
The matte appears as a still image in the Project panel.
Brightly colored mattes can serve as temporary backgrounds to help you see transparency more clearly while you
adjust a key effect.
Remove a black or white matte
If you imported a clip that contains a solid black or white matte that’s premultiplied (merged into the RGB channels
instead of stored in the alpha channel), you can remove the black or white background.
1
In the Timeline panel, select the clip containing the matte you want to remove.
2
In the Effects panel, click the triangle to expand the Video Effects bin and then click the triangle to expand the
Keying bin.
3
Drag the Remove Matte effect to the clip containing the matte.
April 1, 2008