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What is 4CIF video type?

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Anonymous

14y ago
Updated: 8/19/2019

CIF, Common Intermediate Format, is a format used to standardize the horizontal and vertical resolutions in pixels of YCbCr sequences in video signals, commonly used in video teleconferencing systems. CIF was designed to be easy to convert to PAL or NTSC standards, as it defines a video sequence with a resolution of 352 × 288 like PAL Source Input Format, and a framerate of 30000/1001 (roughly 29.97) frames like NTSC, with colour encoded using YCbCr 4:2:0.

QCIF means "Quarter CIF". To have one fourth of the area as "quarter" implies the height and width of the frame are halved. Also there is SQCIF (Sub Quarter CIF, sometimes subQCIF), 4CIF (4× CIF) and 16CIF (16× CIF).

SQCIF128 × 96QCIF176 × 144SIF(525)352 x 240CIF/SIF(625)352 × 2884SIF(525)704 x 4804CIF/4SIF(625)704 × 57616CIF1408 × 1152DCIF528 × 384

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14y ago

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What is 4cif?

{| ! Format ! Video Resolution | SQCIF 128 × 96 QCIF 176 × 144 CIF 352 × 288 4CIF 704 × 576 16CIF 1408 × 1152 |}


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