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A progressive scan DVD player is a DVD player that can produce video in a progressive scan format such as 480p or 576p . Players which can output resolutions higher than 480p or 576p are often called upconverting DVD players. Before HDTVs became common, players were sold which could produce 480p or 576p. TVs with this feature were often in the ...
A progressive scan DVD player is a DVD player that can produce video in a progressive scan format such as 480p or 576p . Players which can output resolutions higher than 480p or 576p are often called upconverting DVD players. Before HDTVs became common, players were sold which could produce 480p or 576p. TVs with this feature were often in the ...
Progressive scan DVD players also feature a deinterlacer. Line doubling is a literal way to deinterlace an interlaced signal, although the method used may differ. Typically the use of the term "line doubler" refers to a simple repeat of a scanline so that the lines in a field match the lines of a frame.
Progressive scan is used for scanning and storing film-based material on DVDs, for example, as 480p24 or 576p25 formats. Progressive scan was included in the Grand Alliance's technical standard for HDTV in the early 1990s. It was agreed that all film transmission by HDTV would be broadcast with progressive scan in the United States. [4]
Most of movies are thus laid to disc as a 24000 ÷ 1001 soft telecined stream. With a progressive-scan DVD player and a progressive display, such as an HDTV, the inverse telecine is applied and progressive frames are restored. There is no conversion to an interlaced format, which eliminates the appearance of any interlace or deinterlacing ...
Progressive scan DVD players additionally offer output at 480p by using these flags to duplicate frames rather than fields, or if the TV supports it, to play the disc back at the native 24p rate. NTSC DVDs are often soft telecined, although lower-quality hard-telecined DVDs exist.