Speed and the keyframe graph – Apple Final Cut Pro 7 User Manual

Page 1165

Advertising
background image

Speed and the Keyframe Graph

The following illustrations show how changes to the keyframe graph affect the speed of
a clip in the Timeline. In each graph, the vertical axis represents media time, where each
tick mark up is a successive frame of your video clip. The horizontal axis represents the
Timeline, where each tick mark represents the duration of one frame playing at the
sequence frame rate.

• Linear time (100 percent speed): This is represented by a straight, upward-sloping diagonal

line, in which one frame of a video clip plays in the space of one frame of the Timeline.
This is real time.

Sequence time

Linea

r time

Sour

ce time

• Slow motion (less than 100 percent speed): Slow motion is represented by a line with a

more gradual slope, in which one frame of a video clip may play over perhaps three
frames of the Timeline.

Sequence time

Slow motion

Sour

ce time

• Fast-forward (greater than 100 percent speed): Fast-forward speed can be seen as a

steeper line, in which several frames of a video clip play in the space of one frame of
the Timeline.

Sequence time

Fast-f

or

w

ar

d

Sour

ce time

1165

Chapter 69

Changing Clip Speed

Advertising