Things To Know - Contrast and Aspect Ratio
Posted in Home Theatre
What is contrast ratio, and how does it affect black-level performance?
Contrast ratio is defined as the ratio of the brightest white compared to the darkest black that a monitor can display. The higher a television's contrast ratio, the more dazzling and realistic its pictures. Contrast ratio is also a measure of a TV's black-level performance. A television with a high contrast ratio produces deep, rich blacks. This "true black" is especially important when it comes to watching movies, because it leads to more realistic-looking images.
What is aspect ratio, and what's the difference between 4:3 and 16:9?
Aspect ratio is the relationship between the horizontal and vertical measurements of a television screen. Traditionally, TV sets have had a square shape with a ratio of 4:3. Because movies are filmed in widescreen mode, watching a movie on a standard television set often requires either the reformatting of the movie to fit the screen, or the use of letterboxes, which are those black bars at the top and bottom of the screen. Today's flat-panel HDTVs have an aspect ratio of 16:9, providing a much more cinematic experience in the comfort of your own home.
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