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A 14-inch reel of 2-inch quad videotape compared with a modern-day MiniDV videocassette. Both media store one hour of color video. The first commercial professional broadcast quality videotape machines capable of replacing kinescopes were the two-inch quadruplex videotape (Quad) machines introduced by Ampex on April 14, 1956, at the National Association of Broadcasters convention in Chicago.
AMPEX quadruplex VR-1000A, the first commercially released video tape recorder in the late 1950s; quadruplex open-reel tape is 2 inches wide The first portable VTR, the suitcase-sized 1967 AMPEX quadruplex VR-3000 1976 Hitachi portable VTR, for Sony 1" type C; the source and take-up reels are stacked for compactness. However, only one reel is ...
By 1976, ferricobalt formulations took over the video tape market, [60] and eventually they became the dominant high-performance tape for audio cassette. [51] Chromium dioxide disappeared from the Japanese domestic market, [ 51 ] although chrome remained the tape of choice for high fidelity cassette duplication among the music labels.
VHS (Video Home System) [1] [2] [3] is a standard for consumer-level analog video recording on tape cassettes, introduced in 1976 by the Victor Company of Japan (JVC). It was the dominant home video format throughout the tape media period throughout the 1980s and 1990s. [4] [5]
The Compact Cassette, also commonly called a cassette tape, [2] audio cassette, or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback. Invented by Lou Ottens and his team at the Dutch company Philips , the Compact Cassette was released in August 1963.
DVD-Video is a consumer video format used to store digital video on DVDs. DVD-Video was the dominant consumer home video format in Asia , North America , [ 6 ] Europe , and Australia in the 2000s until it was supplanted by the high-definition Blu-ray Disc; both receive competition as delivery methods by streaming services such as Netflix and ...
DDS tape drive (bottom). Above, from left to right: DDS-4 tape (20 GB), 112m Data8 tape (2.5 GB), QIC DC-6250 tape (250 MB), and a 3.5" floppy disk (1.44 MB). A tape drive is a data storage device that reads and writes data on a magnetic tape. Magnetic-tape data storage is typically used for offline, archival data storage. Tape media generally ...
Animated video lessons, in particular, use engaging visuals and simplified explanations to help break down complex topics, making them especially effective in subjects like Science or Math. [1] The Khan Academy has been successful in teaching mathematics using notes written using Yahoo! 's doodle pad with a voiceover by Salman Khan (educator) .