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Aliasing occurs whenever the use ofdiscreteelements to capture or produce a continuous signalcausesfrequency ambiguity. Spatial aliasing,particular of angularfrequency, can occur when reproducing a lightfield or sound fieldwith discrete elements, as in 3D displays orwave field synthesisof sound.
Thereof, what causes aliasing in games?
"Jaggies" is the informal name for artifacts inrasterimages, most frequently from aliasing, which in turnisoften caused by non-linear mixing effectsproducinghigh-frequency components, or missing or pooranti-aliasingfiltering prior to sampling.
Also know, what is aliasing and how can it be avoided?
Anti-Aliasing[edit] Any part of the signal or noise that is higher thanahalf of the sampling rate will cause aliasing.Inorder to avoid this problem, the analog signal isusuallyfiltered by a low pass filter prior to being sampled, andthisfilter is called ananti-aliasingfilter.
Aliasing is an undesired effect in whichthesampling frequency is too low to accurately reproducetheoriginal analog content, resulting in signal distortion.Samplingrate of a data acquisition system is defined as the numberof timesit can acquire a sample of an input signal persecond.