Aliasing



a jagged, stairstep effect on curved or diagonal lines that are reproduced in low resolution, as on a computer printout or display.
noun
(radio, television) the error in a vision or sound signal arising from limitations in the system that generates or processes the signal
aliasing
(ā’lē-ə-sĭng)

Jagged distortions in curves and diagonal lines in computer graphics caused by limited or diminished screen resolution. Compare antialiasing.

Distortion in a reproduced sound wave caused by a low sampling rate during the recording of the sound signal as digital information.

1. When several different identifiers refer to the same object. The term is very general and is used in many contexts.
See alias, aliasing bug, anti-aliasing.
2. (Or “shadowing”) Where a hardware device responds at multiple addresses because it only decodes a subset of the address lines, so different values on the other lines are ignored.
(1998-03-13)

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