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Interlaced Video

Last updated: December 15, 2016

What Does Interlaced Video Mean?

Interlaced video is a process wherein the frame rate of the video is doubled without affecting the bandwidth. It refers to one or two standard procedures used for displaying a video visual or an electronic display monitor, by scanning each line or row of pixels. This technology particularly came into wide use in the early days of television in order to fit a picture into the desired bandwidth. An interlaced video is refreshed twice every frame. Initially, even scan lines are refreshed followed by odd scan lines.

Interlaced video is also known as interlaced display.


Techopedia Explains Interlaced Video

Interlaced video is a procedure used for amplifying the anticipated frame rate of a video display without the need for additional bandwidth. The interlaced connection consists of two ranges of a video fixture apprehended at two separate times. In short, every alternate line is scanned to make a complete picture. The two fields are then perceived as a continuous image due to persistence of vision. However, an interlaced video has some restrictions. It needs to be stored, displayed, captured and transmitted in the interlaced format. Since the video consists of video frame captured in two different moments of time, the video can exhibit motion artifacts called combing.



Interlaced Display

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