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Uncompressed video is digital video that either has never been compressed or was generated by decompressing previously compressed digital video. It is commonly used by video cameras, video monitors, video recording devices (including general-purpose computers), and in video processors that perform functions such as image resizing, image rotation, deinterlacing, and text and graphics overlay.
A key difference between 1080i and 1080p is how the lines of resolution are displayed. Both offer 1920x1080 pixels, but the display method is different. In 1080p, the "p" stands for progressive scan. Each frame is drawn line by line, from top to bottom, creating a complete image in a single pass.
One early card was a sandwich of two cards as early processors needed more logic to even get up to 15 frames per second. PCI capture cards offered 30 frames per second. These cards could also handle capturing VHS tapes etc. but VHS image quality was poor so many adopted new video cameras until eventually digital cameras surfaced.
1080p video signals are supported by ATSC standards in the United States and DVB standards in Europe. Applications of the 1080p standard include television broadcasts, Blu-ray Discs, smartphones, Internet content such as YouTube videos and Netflix TV shows and movies, consumer-grade televisions and projectors, computer monitors and video game ...
Playing back interlaced video from a DVD, digital file or analog capture card on a computer display instead requires some form of deinterlacing in the player software and/or graphics hardware, which often uses very simple methods to deinterlace. This means that interlaced video often has visible artifacts on computer systems.
Dazzle Multimedia also sold an internal, PCI-card version of the Dazzle, under the name Snazzi. [6]: 73 Dazzle Multimedia was acquired in majority by SCM Microsystems, a German-American technology company, in 1999. [7] The first Dazzle recorder to support USB was the Digital Video Creator (DVC) 50 and 80 models, first released in March 2001.