| Definition: | an effect occurring in digital television images resulting from the use of an insufficient number of quantizing intervals to convey the original analogue signal
NOTE 1 – In English, the term "contour distortion" is used when this effect is unwanted, and the term "posterization" is used when this effect is used to provide special effects.
NOTE 2 – In French, the term "distorsion de contour" is used only when the effect is unwanted.
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