Film cutting ratio

The most common frame ratio in film shooting is 2.35: 1, or16: 9 (1.78:1). When watching on a video website or TV, it is usually 16:9, while the old TV is 4:3( 1.33: 1).

Frame ratio is a set of contrast values used to describe the relationship between the width and height of a picture. Usually, two numbers separated by a colon ":"are represented, such as 4:3, 16:9, 2.35: 1, and can also be represented by the English letter "x" as 4x3, 16x9. Sometimes abbreviated as, 2.35(2.35: 1),1.78 (1.78:1or 16:9),1.33 (4

Origin of the frame:

In the early stage of film development, the 4:3 framework dominated the whole film world. As the standard size of film, everyone shot in 4:3 format before 1950s.

Need to calculate the frame ratio:

When you edit or resize an image, especially when your movie switches from the wide screen of a cinema to other media, you need to calculate the frame conversion ratio.

Now all professional image processing software has included the frame algorithm to ensure the accuracy of image editing, and can help you crop or expand the image. When using the correct scaling formula, resizing the image will not flatten or stretch the image, which will make your content look more professional and beautiful. In fact, every film and television creator should know about the commonly used frame scale in the industry.