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B-2
Appendix B — Keyframe Facts
If the keyframes occur at different points in time on the various
enabled E-MEM levels, it is possible that the keyframe durations
on the Master Timeline will not match any of the individual
E-MEM keyframe durations.
The Master Timeline provides consistency so that when editing
across multiple E-MEM levels, the relative keyframe positioning
is maintained. That is, an Insert or Paste operation will increase
the effect duration of all E-MEM timelines by the same amount,
and all keyframes occurring after the insert point will “ripple” or
slide out in time by the same duration. A Cut operation will
delete the same amount of time from each E-MEM level timeline,
and all subsequent keyframes will “ripple” or slide inward in time
by the same duration.
Whenever the state of the Enabled E-MEM levels changes, the
Master Timeline is updated to reflect those changes.
Enables and Delegates
The E-MEM system is divided into functional levels. Some or all
of the levels contribute to the overall look of a given effect. Those
levels must run in sync with each other in order for the effect to
look right.
When an effect is run from the E-MEM panel, all levels which
contribute to the effect must be enabled. All enabled levels will
respond to run commands from the E-MEM panel.
When an effect is created, keyframes could be inserted on all
enabled levels; however, doing so would make it more difficult to
modify the effect. To facilitate placing keyframes at different times
on different levels, effect editing operations are limited to delegated
levels only.
A level may be in one of three states:
■ Not enabled and not delegated (does not appear in Timeline
menu)