Aspect ratio is the height and width of the picture or screen. Sometimes this is called FORMAT. Contrast is how much difference there is between the whitest and blackest part of the picture.
Static and Dynamic Contrast Ratios
Faced with several different models of televisions from various manufacturers, the contrast ratio is one of the most important factors to consider in making your...
The contrast ratio measures the difference between the darkest black and the brightest white that can be displayed in a picture. Generally, the greater the contrast ratio, the better the picture - up...
A ratio is a set of numbers, each of which represents the proportion or size of a variable with respect to the other values. For example, a ratio of 3:2 means that for every 3 parts of the first...
A rate compares two different units, like 60 Kilometers an hour (60 km/hour) while a ratio compares two things, like 2 apples:3 oranges (: means to, so 2:3 actually mean 2 To 3).Hope this helps :)