Ops 5–8 • Transitions Vision Operator’s Manual (v12.0 MD)
Wipe
A Wipe is a gradual transition where one video signal is replaced with another according to a
wipe pattern. For a Background transition, the video signal on the Background bus is replaced by
the video signal on the Preset bus according to the wipe pattern. In the example below (Figure
5.10), a line wipe is being used. During the transition, both the Background bus and the Preset bus
are on-air. Only after the transition has completed do the crosspoint selection flip-flop between
the buses.
Figure 5.10 Wipe Transition — Program Output
For Key transitions, the key is wiped on or off-air with the transition, and the background remains
untouched. The duration of a wipe transition depends on either the transition rate for the MLE, or
the rate at which the fader is moved.
For More Information...
• on using wipe patterns, refer to the section “Wipe Transitions” on page Ops 6-3.
• on the pre-loaded wipe patterns, refer to the section “Squeeze & Tease MD Wipes and
Sequences” on page Ops 18-2.
Squeeze & Tease Wipe
A Squeeze & Tease Wipe is based on a Squeeze & Tease Sequence that uses a combination of
flying keys and WARP effects to transition between video signals. For a Background transition,
the video signal on the Background bus is replaced by the video signal on the Preset bus
according to the sequence (Figure 5.11). Only after the transition has completed do the crosspoint
selection flip-flop between the buses.
Figure 5.11 Squeeze & Tease Wipe Transition — Program Output
For Key transitions, the key is taken on or off-air with the transition, and the background remains
untouched. The duration of the transition depends on either the transition rate for the MLE, or the
rate at which the fader is moved.
For More Information...
• on using wipe patterns, refer to the section “Running a Squeeze & Tease MD Wipe
Transition” on page Ops 15-13.
• on the wipe patterns, refer to the section “Squeeze & Tease MD Wipes and Sequences”
on page Ops 18-2.
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