birdies, black spot, bloom, blurping, definition, distortion, feedback, flare, flutter, fluttering, fringe area, ghost, granulation, grid, hard shadow, hissing, howling, hum, image, motorboating, multiple image, noise, picture, picture noise, picture shifts, rain, rolling, rumble, scanning pattern, scintillation, scratching, shading, shredding, snow, snowstorm, squeals, static, whistles, woomping, wow, wowwows