aliasing
Speech parts
1. aliasing - Noun
2. aliasing - Verb
Meaning
aliasing
present participle of alias
aliasing (plural aliasings)
(signal processing, graphics, sound recording) Distortion caused by a low sampling rate, such as a moiré effect or jaggies.
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Antonyms
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Although aliasing in most systems is unwanted, it should also be noted that it can be exploited to provide simultaneous down-mixing of a band-limited high frequency signal (see undersampling and frequency mixer ).
Being forced to use a hybrid time domain (filter bank) /frequency domain (MDCT) model to fit in with Layer II simply wastes processing time and compromises quality by introducing aliasing artifacts.
Converting outlines requires filling them in; converting to bitmaps is not trivial, because bitmaps often don't have sufficient resolution to avoid "stairstepping" ("aliasing"), especially with smaller visible character sizes.
Decreasing N, causes overlap (adding) in the time-domain (analogous to aliasing ), which corresponds to decimation in the frequency domain.
Filter mosaics, interpolation, and aliasing The Bayer arrangement of color filters on the pixel array of an image sensor.
Furthermore, as any aliased signals are also typically out of band, aliasing can often be completely eliminated using very low cost filters.