HDTV. Bringing TV One Step Closer to Film. HDTV - Bringing TV One Step Closer to Film. History of TV Standards Technical Aspects Implementation Impact. History of TV. 1842 Alexander Bain managed to transmit a still image over wire. First fax machine!
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Bringing TV One Step Closer to Film
John Logie Baird, a Scottish inventor, demonstrated what many refer to as the first television broadcast on January 26, 1926. Baird’s grayscale image, presented to members of the Royal Institution in London had only about 30 lines of resolution.
Note: Non-integer formats (eg. 29.97) omitted for clarity.
Used to convert film or 24p to interlaced 29.97
Consider this comparison: