Apple Final Cut Express 4 User Manual

Page 552

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552

Part VII

Fine-Tuning Your Edit

QuickTime

QuickTime includes a set of built-in video effects listed here, some of which are implementations of
standard effects defined by the Society of Motion Picture and Television Engineers (SMPTE).

For more information, visit the Apple QuickTime website at

http://www.apple.com/quicktime

.

Channel Compositor

Combines two images using the alpha channels of the images to
control the blending. It provides the standard alpha blending
options and can handle pre-multiplying by any color, although
white and black are most common and often run faster.

Chroma Key

Combines two sources by replacing all the pixels of the first source
that are the specified color with the corresponding pixels of the
second source. This allows the second source to show through the
first. This appears to put the second clip behind the first clip and
make the selected color transparent.

Explode

The second clip grows from a single point, expanding outward
until it entirely covers the first clip. The center point of the
explosion is defined in the effect parameters.

Gradient Wipe

Uses a matte image to create a transition between two source
images. The transition from the first clip to the second clip occurs
first where the matte image is darkest, last where the matte image
is brightest.

Implode

The first clip shrinks down to a single point, revealing the second
clip. The center point of the implosion is defined in the effect
parameters.

Iris

The first clip opens like an iris to reveal the second clip.

Matrix Wipe

These are a series of matrix reveal type effects that take place
between two sources.

Push

One source image replaces another, both images moving at the
same time. For example, the first clip occupies the entire frame,
then the second clip pushes in from the right while the first clip
slides out to the left.

Unlike the slide effect, both sources are moving. The push effect
executes from the top, right, bottom, or left.

Radial

The first clip sweeps in a radial (or semi-circular) way to reveal the
second clip.

Slide

The second clip slides onto the screen to cover the first clip. The
angle from which the second clip enters the frame is stored in a
parameter, with 0 degrees being the top of the screen.

Wipe

The first clip wipes to reveal the second clip.

Zoom

One clip zooms in or out of the other clip.

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