The camera’s predecessor was the so-called camera obscura, which was developed to project a subject on a surface from which you could then draw it. These fixtures could be sizes from small boxes to entire spaces one stepped into.
The earliest video cameras were based on the mechanical Nipkow disk and used in experimental broadcasts through the 1910s–1930s. All-electronic designs based on the video camera tube, such as Vladimir Zworykin’s Iconoscope and Philo Farnsworth’s image dissector, supplanted the Nipkow system by the 1930s.
These remained in wide use until the 1980s,, when cameras based on solid-state image sensors such as the charge-coupled device (CCD) and later CMOS active-pixel sensor (CMOS sensor) eliminated common problems with tube technologies such as image burn-in and streaking and made digital video workflow practical since the output of the sensor is digital so it does not need conversion from analog tings.
Practical digital video cameras were also enabled by advances in video compression, due to the impractically high memory and bandwidth requirements of uncompressed video.
The most important compression algorithm in this regard is the discrete cosine transform (DCT), lossy compression technique that was first proposed in 1972.
Practical digital video cameras were enabled by DCT-based video compression standards, including the H.26x and MPEG video coding standards introduced from 1988 onwards.
The transition to digital television gave a boost to digital video cameras. By the early 21st century, most video cameras were digital cameras.
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The Basic of Video Production Video production is the process of producing video content. It is the equivalent of filmmaking, but with images recorded digitally instead of on film stock. ... Production is the phase of video production that captures the video content...