Template:Progressive Scan

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Progressive Scan
  • display method that consists of drawing each line of a video frame successively during each display refresh cycle
Example: Frame 1 of a video signal is broken up into many horizontal lines of pixels. The display draws each line of the image successively from top to bottom during its first refresh cycle. When Frame 2 of video signal arrives, the display draws it in the same fashion during its next refresh cycle.
  • significantly better image quality than Interlaced Video, sharper with much better effective vertical resolution
  • mostly found in computer monitors and HDTVs, display method of all LCD displays
  • uncommon in analog video, except over Component Video or VGA connections
  • common in digital video, especially over DVI, HDMI, and DisplayPort connections
  • denoted by an p at the end of a display format, e.g. 480p, 720p, or 1080p
  • High Definition formats are also Progressive Scan except 1080i

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