There is no standard - 16:9 TVs are a compromise,its in between movies (2.39:1) and traditional tv (4:3) http://en.wikipedia.org/wiki/Aspect_ratio_(image)
Several standards are used http://en.wikipedia.org/wiki/Aspect_...and_television
There is no standard - 16:9 TVs are a compromise,its in between movies (2.39:1) and traditional tv (4:3) http://en.wikipedia.org/wiki/Aspect_ratio_(image)
Several standards are used http://en.wikipedia.org/wiki/Aspect_...and_television