Noise (video)
Noise, commonly known as static, white noise, static noise, or snow, in analog video, CRTs and television, is a random dot pixel pattern of static displayed when no transmission signal is obtained by the antenna receiver of television sets and other display devices. == Description == The random pixel pattern superimposed on the picture or the television screen, being visible as a random flicker of "dots", "snow", "fuzzy zig-zags" or etc.