# PhotoshopElements

# interlaced video

Video generated by a system developed for early television and still in use in standard television displays. Video is displayed on-screen at 30 frames per second (NTSC) or 25 frames per second (PAL). Each frame is divided into two interlaced fields, each displayed for 1/60 of a second. The odd field contains all the odd-numbered scan lines, and the even field contains all the even-numbered scan lines of a video frame. The human eye perceives the information in two sequential interlaced fields as one unified frame. (See also progressive scan.)

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