aliasing distortion

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• Aliasing — This article applies to signal processing, including computer graphics. For uses in computer programming, please refer to aliasing (computing). In statistics, signal processing, computer graphics and related disciplines, aliasing refers to an… …   Wikipedia

• Aliasing — F/A/V An undesirable distortion component that can arise in any digitally encoded information (sound or picture). A&V Distortion in the video signal which may manifest itself in different ways, depending on the type of aliasing: • Spectral… …   Audio and video glossary

• Distortion — This article is about technology, especially electrical engineering. For other uses, see Distortion (disambiguation). Distort redirects here. For other uses, see Distort (disambiguation). A distortion is the alteration of the original shape (or… …   Wikipedia

• Aliasing — Crénelage Le crénelage (ou crènelage) ou repli de spectre (Aliasing en anglais) est un phénomène qui peut se produire lors du traitement numérique d un signal, lorsque des fréquences qui ne sont pas représentées dans le signal original sont… …   Wikipédia en Français

• aliasing — noun Distortion caused by a low sampling rate, as Moire effect or stair stepped edges …   Wiktionary

• aliasing — noun 1》 Physics & Telecommunications the misidentification of a signal frequency. 2》 Computing the use of aliases to designate files, commands, etc. 3》 Computing the distortion of a reproduced image so that curved or inclined lines appear… …   English new terms dictionary

• Spatial anti-aliasing — In digital signal processing, spatial anti aliasing is the technique of minimizing the distortion artifacts known as aliasing when representing a high resolution image at a lower resolution. Anti aliasing is used in digital photography, computer… …   Wikipedia

• Anti-aliasing — In digital signal processing, anti aliasing is the technique of minimizing the distortion artifacts known as aliasing when representing a high resolution signal at a lower resolution. Anti aliasing is used in digital photography, computer… …   Wikipedia

• Anti-aliasing filter — An anti aliasing filter is a filter used before a signal sampler, to restrict the bandwidth of a signal to approximately satisfy the sampling theorem. Since the theorem states that unambiguous interpretation of the signal from its samples is… …   Wikipedia

• Comparison of analog and digital recording — This article compares the two ways in which sound is recorded and stored. Actual sound waves consist of continuous variations in air pressure. Representations of these signals can be recorded using either digital or analog techniques. An analog… …   Wikipedia

• Analog sound vs. digital sound — Analog sound versus digital sound compares the two ways in which sound is recorded and stored. Actual sound waves consist of continuous variations in air pressure. Representations of these signals can be recorded in either digital or analog… …   Wikipedia