Inset picture centering in a picture-in-picture system

摘要: A PIP system stores data indicative of the location center point an inset picture with respect to a display screen in memory area (100, 102, 104, 106) first size (110). The image is read out beginning stored known as 'read address' (0, 0). When ZOOM-IN or ZOOM-OUT command received, representing new video different for unused (120) size, computed, and address so that displayed centers old are substantially same.