aliasing frequencies

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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

• 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

• 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 — F/A/V Filtering of erroneous frequencies that are created during the analog to digital conversion process. (Sound/Picture) HD The smoothing and removing of aliasing effects by filtering and other techniques. Edges on character generators and DVEs …   Audio and video glossary

• Anti-aliasing — PP Process for smoothing jagged lines in an image. Can also mean a method of filtering out erroneous frequencies in an audio signal …   Audio and video glossary

• Pulse-code modulation — PCM redirects here. For other uses, see PCM (disambiguation). Pulse code modulation (PCM) is a method used to digitally represent sampled analog signals. It is the standard form for digital audio in computers and various Blu ray, Compact Disc and …   Wikipedia

• зеркальные частоты (сейсм.) — — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность EN aliasing frequencies …   Справочник технического переводчика

• Nyquist–Shannon sampling theorem — Fig.1: Hypothetical spectrum of a bandlimited signal as a function of frequency The Nyquist–Shannon sampling theorem, after Harry Nyquist and Claude Shannon, is a fundamental result in the field of information theory, in particular… …   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