Aliasing Definition

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Definition Of Aliasing:

Distortion caused in analog-to-digital conversion by a too low rate of data sampling.
For audio signals, it usually results in flutter (rapid change in the signal) and, for video signals, in stairsteps-like jagged edges (called 'jaggies') that appear on an image of curved or slanted lines. Cured or subdued by antialiasing techniques such as filtering or super-sampling.

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