Aspect ratio

DEFINITION

This is the ratio (proportion) of a shape's width to its height. Computer and video monitors (television screens) can be proportioned for widescreen material (16:9) or for traditional TV viewing (4:3).Common Aspect Ratios displays aspect ratiosstandart TV and older movies 4:3 or 1.33:1US digital TV (HDTV) 16:9 or 1.78:1standard widescreen 1.85:1anamorphic widescreen (Panavision or Cinemascope) 2.35:1Also see Golden Mean.