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CHAPTER 10 292
Applying Video Filters
For example, suppose you wanted to use the Crystallize filter to add an effect that increases
and then decreases over time. In this case, you would need to set three keyframes—the first
with light crystallization, the second with more significant crystallization, and the third with
light crystallization. Because Premiere automatically interpolates the distortion between
each keyframe, the crystallization will gradually increase (linearly) between the first and
second keyframes and then gradually decrease between the second and third keyframes.
For any filter, you can create as many keyframes as you need to produce the desired result.
By default, each filter has two keyframes at the beginning and end of the clip, indicated by
triangles on a timeline in the Filters dialog box. The time displayed below the keyframe
timeline shows the keyframe’s position in the video program. If you don’t make any changes
to these default keyframes, the settings for the associated filter will apply to the entire clip.
You cannot set additional keyframes for filters that have no adjustable settings.
Applying video filters to a clip
You can apply a video filter to a video clip in the Video 1 track and in any superimpose track.
You can also apply one or more filters to a single clip, multiple clips, or to a portion of a clip.
In the Timeline window, clips that have filters applied to them are displayed with a blue border
at the top.
To apply a filter to a video clip:
1
Select the video clip in the Timeline window. To apply a filter to more than one clip, use the
range select tool to select the clips. For more information on range selecting, see “Selecting
clips” on page 173.
2
Choose Clip > Filters. The Filters dialog box appears.
Note: You can quickly combine steps 1 and 2 by clicking the clip either with the right mouse button
(Windows) or while holding down the Control key (Macintosh), and choosing Filters from the
pop-up menu that appears.
c00.book for PS Page 292 Tuesday, March 31, 1998 1:28 PM