DVE Sequences
A sequence is a series of keyframes, or effects,
that are created, saved, and run directly from
your switcher. You can use any of the DVE
functions to manipulate the keyframes in a
sequence. For example, a sequence might consist
of a channel, or object, that shrinks across the
screen, moves to a specific location and acquires
a border or any other DVE effect. The switcher
interpolates, or fills in, the shots between the
keyframes to produce a fluid motion effect.
A sequence must be created and used on a DVE
key. A DVE wipe that is created from a sequence
can be run on either a background or a key.
Creating and Editing DVE Sequences
A sequence is created by inserting keyframes
of how you want the channel to appear, and
how long you want the switcher to take to move
from one keyframe to the next. Each keyframe
has a duration that is used when the sequence
is moving to that keyframe.
You can have a maximum of 1000 sequences.
DVE Sequences Menu
There are a number of buttons on the DVE
Sequences menu that allow you to quickly
manage your sequences.
•
Previous
— move to the previous keyframe
in the sequence.
•
Next
— move to the next keyframe in the
sequence.
•
Cut
— cut the current keyframe.
•
Copy
— copy the current keyframe.
•
Paste
— paste the keyframe from the
clipboard to after the current keyframe.
•
Paste Over
— paste the keyframe from the
clipboard over the current keyframe,
replacing the current keyframe.
•
Insert
— insert a keyframe after the current
keyframe.
•
Insert Over
— insert a keyframe over the
current keyframe, replacing the current
keyframe.
•
Delete
— delete the current keyframe.
•
Delete Workspace
— delete all keyframes
in the sequence.
To Create or Edit a DVE Sequence
Tip:
If you are editing a keyframe, highlight the keyframe you
want to edit, make the required changes and press Insert Over.
This replaces the existing keyframe with the newly edited one.
Don’t forget to save your sequence.
1.
Navigate to the DVE menus for the DVE key
you want to create a sequence for and press
DVE Menu
>
Sequence
.
2.
Position the key where you want the
sequence to start.
3.
Press
Duration
and use the
Frames
knob to
set the number of frames it will take for the
sequence to move to this keyframe.
Tip:
If you do not want to enter a specific duration, you
can insert a Hold in the sequence by toggling Hold to On.
When the sequence reaches this point, it will wait until you
press AUTO TRANS again.
Because this is the first keyframe, the
sequence will only use this duration if the
sequence is being run in reverse.
4.
Use the
Type
knob to select the type of
motion you want to use to move to this
keyframe.
•
Smooth
— key accelerates slowly at the
start and decelerates slowly at the end of
the sequence. The motion between the
keyframes is a straight line.
•
Spline
— key accelerates slowly at the
start and decelerates slowly at the end of
the sequence. The motion between the
keyframes is a user modifiable
spline-curve that smoothly moves the key
through each keyframe.
•
Linear
— key moves from keyframe to
keyframe at a constant velocity. This
produces a step-motion effect.
5.
If you selected
Spline
as the type of motion,
press
Spline Params
and use the
Tension
,
Bias
, and
Continuity
knobs to adjust the
appearance of the motion.
•
Tension
— adjust how tight or loose the
curve is. Lower tension gives a looser,
more sweeping curve while tightening
the tension brings the curve closer to a
straight line.
•
Bias
— balance how much influence the
previous and next keyframes have on the
spline through the current keyframe.
Increased bias places more importance
on the smoothness between the previous
and current points, while a decreased
100 • DVE Sequences — Ultrix Acuity Operation Manual (v10.1)