Definitions for "Pan-and-scan"
A method of broadcasting a wide screen film on a 4:3 channel. Most of the time just the center of the image is shown. (The right and left edges are clipped off.)
"The process of formatting a wide-screen film onto video by selecting the area of the film frame to show in order to accommodate the different aspect ratios of wide-screen film and television. During the process, the transferred area of the film must be continuously selected, and scenes encompassing the entire width of the film are often panned or followed from one side to the other." (AMIM) On some videos, called "full frame."
A type of aspect ratio conversion where the smaller area of a new display is electronically moved left and right across the original source's wider area aspect ratio in order to follow action occurring at the sides of the original picture.