Blackmagic Design DV/RESSTUD User Manual

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Lesson 7 Applying Transitions andEffects

TIP To delete all of the rendered cache files for the current project, choose

Playback > Delete Render Cache > All.

Now that your smart caching is set, DaVinci Resolve will automatically render everything

necessary to optimize playback for your effects. When you reopen a project, cached clips

are still cached; but when you change any cached effect, it will need to be re-cached.

Creating a Constant Speed Change

Changing the playback speed of a clip is done for a variety of reasons. Sometimes it’s used

to accentuate dramatic action, and sometimes it’s used so the timing of a clip fits into a

scene. In almost every production genre, you’ll have a need to speed up clips, slow them

down, and even stop and hold on a frame for a few seconds.

The most common type of speed change is a constant speed change. It uniformly alters

the playback of a clip in the timeline to turn it into a slow-motion clip or a fast-motion clip

ofa single framerate.

1 In the timeline, position the playhead at the start of the 06_MILKY WAY clip.

2 Play over the clip (always a good idea before you change its speed.)

This clip goes on a bit too fast for a shot of the nighttime sky. You want to slow the

speed but not change its duration in the timeline.

3 Select 06_MILKY WAY. Right-click the clip, and in the pop-up menu, choose

ChangeClip Speed.

The Change Clip Speed dialog appears with a number of controls for clip playback.

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