keyer
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Keyer — A keyer is a device for signaling by hand, by way of pressing one or more switches. Modern keyers typically have a large number of switches but not as many as a full size keyboard; typically between four and fifty [Intelligent Image Processing,… … Wikipedia
keyer — key·er … English syllables
Keyer — A&V An electronic circuit that creates a control signal to control a video multiplier based on selective information contained in a video signal … Audio and video glossary
keyer — ˈkēə(r) noun ( s) : a device (as a mechanical key or vacuum tube) that turns an electronic circuit on or off … Useful english dictionary
down-stream keyer — WikiB Part of a vision mixer used for compositing by removing part of one video signal (the key ) and adding in another video signal (the fill ) … Audio and video glossary
Telegraph key — A straight key style of telegraph key J38 World War II era U.S. military model … Wikipedia
Chorded keyboard — A Microwriter MW4 (circa 1980) A keyset or chorded keyboard (also called a chorded keyset, chord keyboard or chording keyboard) is a computer input device that allows the user to enter characters or commands formed by pressing several keys… … Wikipedia
Keying — ist ein Fachbegriff aus der Videobearbeitung und beschreibt das Freistellen von Bildelementen vom Hintergrund (meist auf Basis einer Schlüsselfarbe, daher keying). Dabei wird eine Maske (Alphakanal) erstellt, die für jeden Bildbereich oder Pixel… … Deutsch Wikipedia
Telecommunications device for the deaf — Miniprint 425 TDD. The acoustic coupler on the top is for use with telephone handsets. The printer records the conversation. The specific GA and SK keys allow for speedier use of common abbreviations. A telecommunications device for the deaf… … Wikipedia
Vision mixer — A vision mixer (also called video switcher, video mixer or production switcher) is a device used to select between several different video sources and in some cases composite (mix) video sources together and add special effects. This is similar… … Wikipedia
