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Definition: jitter


A flicker or fluctuation in a transmission signal or display image. The term is used in several ways, but it mostly refers to a loss of bits in a network transmission, which causes a momentary blip in a voice/video call or video stream.

In video streaming, jitter is more noticeable on a large screen than a small one, thus higher frame rates in the TV are more beneficial on a 75" screen than a 43" screen. See frame rate.

To Jitter on Purpose
In computer graphics, to "jitter a pixel" means to place it off side of its normal placement by some random amount in order to achieve a more natural appearance. See anti-aliasing. See also jitterati.