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progressive scan
Last modified: Wednesday, November 09, 2005 

Progressive scan (also known as known as 480p) is one of two methods used for "painting" an image on a television screen (the other being interlaced scan), where the lines are drawn in one at a time in sequential order. The entire single frame image is painted every 1/60th of a second, allowing for twice the detail to be sent in the same amount of time used in interlaced systems. Progressive scan is a method used in today's CRTs, computer monitors and high-end television displays. Progressive scanning results in a more detailed image on the screen and is also less susceptible to the flicker commonly associated with interlaced scanning.

Most television displays that are capable of progressive scanning can also perform deinterlacing, which enables interlaced video to be viewed on progressive scan sets. Progressive scan is now the standard of choice for both DVD video and DTV. To use and view progressive scanning technology the source (DVD player, High-definition cable or satellite for example) and the display must both be progressive scan compatible.

Compare with interlaced scan.

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For internet.com pages about progressive scan . Also check out the following links!

Related Links

Best Buy Guides & Resources - Progressive Scan DVD Players 
This Best Buy Guide provides excellent information for those in the market for a new DVD player - specifically a progressive scan DVD player.

How Progressive Scan Works 
Progressive scan technology is synonymous with super sharp picture quality but how does it differ from interlacing scanning and just how does it work?

Panasonic - Ideas For Life 
This Panasonic Ideas For Life article describes the benefits of progressive Vs. interlaced scanning.

DVD Benchmark - Progressive Scan DVD
This article provides an overview of progressive scanning, problems consumers encounter and what to expect from this technology. Also included are animated images which show the difference between Interlaced and Progressive scanning display.

related categories

Digital Television

Home Entertainment

Multimedia

related terms

1080i

CRT

DTV

EDTV

HDTV

interlaced scan

SDTV


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