Apple iMovie HD - Manual (Page 56)

56 Chapter 7 Using Special Effects
To adjust the speed of a video clip:
1 Click the timeline viewer button (it has a clock on it) to open the timeline viewer.
2 Select the clip you want to speed up or slow down.
3 Click Effects.
4 In the Effects pane, choose the Fast/Slow/Reverse effect.
5 Move the speed slider left or right to adjust the speed of your video clip.
6 Click Apply.
Move the slider one tick to the left to make it play twice as fast, or one tick to the right
makes it twice as slow. Adjust the slider to the speed you want. Play the clip in the
iMovie monitor to see the effect of slowing down or speeding up the clip.
The size of each clip in the timeline viewer corresponds to its length in the movie,
giving you a visual indication of how long each of your movie elements is. When you
adjust the clip speed slider, the selected clip in the timeline viewer grows longer or
shorter.
Video Effects
iMovie HD provides an array of interesting video effects that are easy to add to your
movie. You can change a whole clip or parts of clips. Like transitions, video effects take
time to render, but you can preview the effect before you apply it.
Different effects have different attributes that you set to get just the look you want. For
example, if you select Adjust Colors, you can adjust the Hue Shift, Color, and Lightness
using the sliders that appear at the bottom of the Effects pane.
Some effects allow you to set where the effect will appear in the clip. For example, if
you select Fairy Dust, you can choose where the fairy dust will arc, or choose where the
electricity will strike for the Electricity effect. If the pointer changes to a crosshair when
you click in the preview monitor, you can click again to select the origination point of
the effect. If you don’t see a crosshair pointer when you click in the preview monitor,
you can’t set the position.
Note: If a clip has a transition attached when you apply an effect, iMovie HD warns you
that the transition will be invalidated. iMovie HD then allows you to re-render the
transition to include the effect.
To add a video effect to your movie:
1 Click the Effects button to open the Effects pane.
2 Select the clip you want to change in the clip viewer or timeline viewer.
3 Scroll through the list of effects and select the one you want to apply.