Video is an electronic medium used for recording, copying, playing, broadcasting, and displaying moving visual content. Initially, it was created for mechanical television, but quickly shifted to cathode-ray tube (CRT) systems. These CRT systems were then superseded by flat-panel displays.
In 1951, the analog video tape recorder was commercially introduced, marking a key development in video technology.
In 1951, the first video tape recorder (VTR) captured live images from television cameras by writing the camera's electrical signal onto magnetic videotape.
In 1956, video recorders were sold for $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 videotape and recording equipment sales.
In 2006, the Blu-ray Disc was introduced, further contributing to the plummet in sales of videotape and recording equipment.
In 2010, vertical video viewing accounted for 5% of total video viewing.
Since 2013, the use of digital cameras in Hollywood has surpassed the use of film cameras, marking a significant shift in filmmaking technology.
In 2015, vertical video viewing grew to 29% of total video viewing, highlighting its increasing popularity on mobile phones.
In 2022, video is transported over networks and other shared digital communications links using, for instance, MPEG transport stream, SMPTE 2022 and SMPTE 2110.
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