wipe

…other devices, such as a wipe (i.e., a line moving across the screen that wipes out the preceding image while introducing the next), irising (gradually reducing the old image from the edges to a pinpoint size and then expanding the new one in the reverse way), or a turnover (in…

…of this technique is the wipe, which removes the image from one camera while inserting the image from another, with a sharp, moving boundary between them.