Many years ago, a team of engineers in England worked on what was then called high-definition television. It had 405 horizontal scan lines and was monochrome only. It offered high definition compared ...

A GIF image that gradually comes into focus. Instead of displaying a line at a time from top to bottom, lines at various intervals throughout the frame are displayed until all the lines are filled in.

Consumers are finding out that pictures on HDTV displays often look quite different in home theater set-ups than they did back at the store, and most of the time poor video processing is to blame.