High Quality Content by WIKIPEDIA articles! CIF (Common Intermediate Format), also known as FCIF (Full 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. It was first proposed in the H.261 standard. CIF was designed to be easy to convert to PAL or NTSC standards. CIF defines a video sequence with a resolution of 352 x 288 like PAL Source Input Format, 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.

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