In Underscan, time and the visual image are compressed. A series of photographs of my Aunt Ethel's home in New Bedford, MA had been videotaped, and re-videotaped while being underscanned. (The underscanning device is a structural framework particular only to video; it compresses the picture so that the edges can be seen precisely; it does away with the variation that occurs between monitors in the amount of the image which... see more