Basic Studio Directing

Digital video effects (static)

Most middle to large scale studios and many editing suites have digital video effects (DVE) devices. Non-linear machines often have built-in DVE software.

Capabilities

DVEs can physically move the picture around the screen, whereas a wipe on a vision mixer can only select parts of a picture in its current position. DVEs can usually shrink, rotate, skew, move, bend and distort pictures. They can be programmed to animate between positions (often called keyframes).

To do this each frame has to be loaded into a memory, then read out in its new position on the screen. This means there is a slight delay through a DVE – normally one frame.

This is not normally enough to give lip-sync problems, but it can do if combined ...