Interlace

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Dictionary Meaning and Definition on 'Interlace'

Interlace Meaning and Definition from WordNet (r) 2.0
    interlace v
  1. spin or twist together so as to form a cord; "intertwine the ribbons"; "Twine the threads into a rope" [syn: intertwine, twine, entwine, enlace, lace] [ant: untwine]
  2. hold in a locking position; "He locked his hands around her neck" [syn: lock, interlock]
Interlace Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Interlace \In`ter*lace"\, v. t. & i. [imp. & p. p. Interlaced; p. pr. & vb. n. Interlacing.] [OE. entrelacen, F. entrelacer. See Inter-, and Lace.] To unite, as by lacing together; to insert or interpose one thing within another; to intertwine; to interweave. Severed into stripes That interlaced each other. --Cowper. The epic way is every where interlaced with dialogue. --Dryden. Interlacing arches (Arch.), arches, usually circular, so constructed that their archivolts intersect and seem to be interlaced.
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Wikipedia Meaning and Definition on 'Interlace'


Interlace is a technique of improving the picture quality of a video signal without consuming extra bandwidth. Interlaced video was designed for display on CRT televisions.

Interlaced scan refers to one of two common methods for "painting" a video image on an electronic display screen (the other being progressive scan) by scanning or displaying each line or row of pixels. This technique uses two fields to create a frame. One field contains all the odd lines in the image, the other contains all the even lines of the image. A PAL based television display, for example, scans 50 fields every second (25 odd and 25 even). The two sets of 25 fields work together to create a full frame every 1/25th of a second, resulting in a display of 25 frames per second.

Despite arguments against it and the calls to leave interlacing to history by many prominent video experts and technological companies such as Yves Faroudja, the founder of Faroudja Labs, and Microsoft, creators of VC-1 codec, interlacing continues to be supported by the television standard setting organizations and is still being included in new digital video transmission formats such as DV, DVB, and ATSC. Some new generations of video compression standards currently in development, like High-efficiency Video Coding, target high-definition progressive video and do not support interlaced formats.

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