Grass Valley Karrera Video Production Center v.4.0 - Manual (Page 89)

KARRERA — User Manual 89
iDPM Operations
Position/Size Modulation Mode
Position and Size Modulation is an effect in which the source video is posi-
tion or size-modulated through an additive process with either a single
wave train, or two wave trains with the second wave at a right angle to the
first. Each of the two wave trains (horizontal, vertical) may be selected
independently from a set of modulation patterns.
Touch the Pos/Size Mod Kurl Mode button to access the position and size
modulation controls ( Figure 42 ).
Figure 42. Kurl Menu, Position Modulation
Modulation Pane
In the Modulation pane you select the wave train axis ( Horizontal or Vertical )
for which the rest of the menu controls will apply. The following Soft knob
controls appear on the right for the selected axis:
Amplitude — defines the modulation amplitude (the height of the pattern
waves).
Frequency — defines the modulation frequency and therefore the number of
pattern cycles to appear across the source.
Phase knobs — The Phase Lock button on the right controls whether the
pattern is fixed (on) or moving (off). When Phase Lock is on, the Phase soft
knob is available to control the static location of the phase of the pattern.