Video is an electronic medium used for recording, copying, playing, broadcasting, and displaying moving images. It has evolved significantly, starting with mechanical television systems. These were soon superseded by cathode-ray tube (CRT) systems, which themselves have been replaced by modern flat-panel displays. This evolution reflects technological advancements in visual media and display technologies.
In 1951 the analog video tape recorder was commercially introduced.
In 1951, the first video tape recorders (VTR) captured live images from television cameras by writing the camera's electrical signal onto magnetic videotape.
In 1956, Video Tape Recorders(VTRs) were sold for around US$50,000, and videotapes cost US$300 per one-hour reel.
In 1971, Sony began selling videocassette recorder (VCR) decks and tapes into the consumer market.
In 1997, the DVD was commercially introduced, leading to a decline in sales of videotape and recording equipment.
In 2006, the Blu-ray Disc was commercially introduced, further contributing to the decline in sales of videotape and recording equipment.
In 2010, vertical video accounted for only 5% of video viewing.
Since 2013, the use of digital cameras in Hollywood has surpassed the use of film cameras.
In 2015, Mary Meeker highlighted the growth of vertical-video viewing in her 2015 Internet Trends Report, noting that it had grown to 29% of viewing.
In 2022, Video may be transported over networks and other shared digital communications links using, for instance, MPEG transport stream, SMPTE 2022 and SMPTE 2110.
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