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Using Effect Tracks
Video Effects Available in
Adobe GoLive
395
Adobe GoLive comes with the following QuickTime™ video effects
and transitions built in:
Single-Source Effects
Alpha Gain: The alpha gain filter manipulates the alpha channel of
a single track. This operation is commonly applied before passing
the track to the Alpha Compositor effect described on page 399. The
Alpha Gain effect has four parameters:
• Gain: This value is multiplied by the original alpha channel
value.
• Offset: This value is added to the old alpha channel, after it has
been multiplied by the gain parameter.
• Top pin: The maximum value that the alpha channel can take
after the gain and offset parameters have been applied.
• Bottom pin: The minimum value that the alpha channel can
take after the gain and offset parameters have been applied.
Blur: This effect applies a convolution blur effect to a single track.
The Blur effect has two parameters:
• Amount of blurring: This popup menu provides a choice of values, from 1 - least to 7 - most. The larger the value, the longer
the effect will take to run and the greater the degree of blurring.
• Brightness: The default value of 1.0 blurs the source track but
doesn’t change its brightness. Values between 0.0 and 1.0
decrease brightness, values greater than 1.0 increase brightness.
Color Style: This effect allows you to apply two color change effects
to a single track. Both effects process the red, green, and blue components of each pixel independently. The color style effect offers two
options:
The first option, Solarization, adjusts the color balance of the source
track by generating a table of replacement color values from two parameters. The table starts at zero intensity and increases to the maximum intensity at the peak point. After that it falls back to zero. It has
two controls:
• Solarize Amount: This slider control adjusts the maximum intensity of the solarization table.
• Solarize Point: This slider control adjusts the peak point of the
solarization table.