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USING ADOBE PREMIERE PRO

426

Animation and keyframes

Create Bezier keyframes

1

In a Timeline panel, select the clip containing the keyframes you want to adjust, and then do one of the following:

(Timeline panel) Choose the property you want to adjust from the effect menu next to the clip or track name. You

 

adjust the temporal interpolation of a property in a Timeline panel. Select the clip in the Program Monitor if you

 

want to change the spatial interpolation there.

(Effect Controls panel) Select an effect property’s keyframe markers for the keyframes you want to adjust.

2

Do one of the following to choose a keyframe interpolation method:

(Timeline panel) Right-click the keyframe you want to adjust, and choose a keyframe interpolation method from

 

the menu.

(Effect Controls panel) Right-click the keyframe marker for the keyframe you want to adjust, and choose a

 

keyframe interpolation method from the menu.

3

To manually change a keyframe from one type to another, do one of the following:

If the keyframe uses Linear interpolation, Ctrl-click (Windows) or Command-click (Mac OS) the keyframe in a Timeline panel or Ctrl-click (Windows) or Command-click (Mac OS) the keyframe marker in the Effect Controls panel to change it to Auto Bezier. If you drag the handles, the keyframe changes to Continuous Bezier.

If the keyframe uses Auto Bezier interpolation, Ctrl-click (Windows) or Command-click (Mac OS) the keyframe and drag out a direction handle to change it to Bezier. Bezier interpolation lets you control each direction handle independently. To convert it to Continuous Bezier, just drag a handle.

If the keyframe uses Bezier, Continuous Bezier, or Auto Bezier, Ctrl-click (Windows) or Command-click (Mac OS) the keyframe to change it to Linear. The Bezier handles disappear.

Adjust Bezier handles

1Display the Bezier keyframe you want to adjust.

2Select either the Selection tool or the Pen tool , and do one of the following:

To adjust the slope of the curve, drag the Bezier handle up or down. Moving the handle up accelerates the changes and moving the handle down decelerates the changes.

To adjust the range of the curve’s influence, drag the Bezier handle to the left or right.

Fine-tune the speed of an effect

In the Effect Controls panel, you can use the Velocity graph to adjust motion or the rate of change for a value just before and just after a keyframe. Such adjustments can simulate real-world motion. For example, you can change the motion of a clip so that it slows down just before a keyframe and then speeds up just after the keyframe. You can control the values approaching and leaving a keyframe together, or you can control each value separately.

Last updated 1/16/2012

USING ADOBE PREMIERE PRO

427

Animation and keyframes

A B C

Velocity graph

A. Speed controls B. Incoming direction handles C. Outgoing direction handles

1In the Effect Controls panel, click the triangle to expand the effect property with keyframes that you want to adjust.

Note: If no keyframes have been added, the graphs appear as flat lines.

2In the Value graph, use the Selection or Pen tool to click the keyframe marker for the keyframe you want to adjust. This displays the direction handles and speed controls for the keyframe in the Velocity graph.

3In the Velocity graph, use the Selection or Pen tool to do one of the following:

To accelerate entering and leaving the keyframe, drag a direction handle up. Both the incoming and outgoing handles move together.

To decelerate entering and leaving the keyframe, drag a direction handle down. Both the incoming and outgoing handles move together.

To accelerate or decelerate entering the keyframe only, Ctrl-click (Windows) or Command-click (Mac OS) the incoming direction handle and drag it up or down.

To accelerate or decelerate leaving the keyframe only, Ctrl-click (Windows) or Command-click (Mac OS) the outgoing direction handle and drag it up or down.

Note: To rejoin the incoming and outgoing handles, Ctrl-click (Windows) or Command-click (Mac OS) them again.

To increase or decrease the influence of a keyframe value on the previous keyframe, drag the incoming direction handle to the left or right.

To increase or decrease the influence of a keyframe value on the next keyframe, drag the outgoing direction handle to the right or left.

Note: Influence determines how quickly the Velocity graph reaches the value you set at the keyframe, giving you an additional degree of control over the shape of the graph.

The values (to the left of the Velocity graph) change as you adjust the graph. These numbers represent the upper and lower values of the Velocity graph. You can also adjust the velocity by changing the numeric values.

More Help topics

Modify keyframe values” on page 420

Last updated 1/16/2012