. Describes relation between width and height of an image.
. Ratio of width to height of an image or screen.
. Expressed as W:H
. Value of W and H are not actual width and height, but its relation between them.
. For every W inches width of image, we will have H inches of height.
. For every W inches width of image, we will have H inches of height.
Images on screens with different Aspect Ratio:
. 4:3 is full screen view.
. Screen is 33% wider than its height.
. 16:9 is wide screen view.
. Screen is 78% wider than its height.
. Blackbars fills the extra space when the aspect ratio of screen and content do not match.
Different Aspect Ratios and their usage:
. Old TVs were designed in the aspect ratio 4:3
. But most of monitors and HDTVs that are available today are in 16:9
Aspect Ratio | Uses |
---|---|
4:3 | Old TVs |
16:9 | Majority of HDTVs |
21:9 | Most Theaters |
14:10 | Very few Theaters |
19:10 | Most IMAX Theaters |