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Lesson 2. About Digital Video Editing > Measuring frame size and resolution

Measuring frame size and resolution

Several attributes of frame size are important when editing video digitally: pixel (picture element) and frame aspect ratio, clip resolution, project frame size, and bit depth. A pixel is the smallest unit that can be used to create a picture; you can't accurately display anything smaller than a pixel.

Aspect ratio

The aspect ratio of a frame describes the ratio of width to height in the dimensions of a frame. For example, the frame aspect ratio of NTSC video is 4:3, whereas some motion-picture frame sizes use the more elongated aspect ratio of 16:9.


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