The word keying has a number of meanings:
Discussion
Ask a question about 'Keying' Start a new discussion about 'Keying' Answer questions from other users |
The word
keying has a number of meanings:
- Junk Keying
The Junk Keying was a three-masted, 800-ton Foochow Chinese trading junk which sailed from China around the Cape of Good Hope to the United States and England between 1846 and 1848...
- Chinese type of ship
- keying (cryptography) is the installation of key material into a device.
- keying (telecommunications)
Keying is the shaping of a signal to convey information, known as modulation. Modulation can be used to represent a digital message as an analogue waveform. This is known as keying and several keying techniques exist...
is a form of modulationModulation is the process of varying one waveform in relation to another waveform. In telecommunications, modulation is used to convey a message, or a musician may modulate the tone from a musical instrument by varying its volume, timing and pitch. Often a high-frequency sinusoid waveform is used...
where the modulating signal takes one of two or more values at all times. For example: "on" or "off", "mark" or "space". The name derives from the Morse codeMorse code is a type of character encoding that transmits telegraphic information using rhythm. Morse code uses a standardized sequence of short and long elements to represent the letters, numerals, punctuation and special characters of a given message...
key used for telegraphTelegraphy is the long-distance transmission of written messages without physical transport of letters. It is a compound term formed from the Greek words tele = far and graphein = write. Radiotelegraphy or wireless telegraphy transmits messages using radio...
signalling.
- keying (graphics) is an informal term for compositing two full frame images together, by discriminating the visual information into values of color and light.
- using a key to scratch the paint on car as a form of vandalism
Vandalism is the behaviour attributed to the Vandals, by the Romans, in respect of culture: ruthless destruction or spoiling of anything beautiful or venerable...
.
- keying (social theory) is the set of conventions by which a framed activity (a fight) is transformed into something patterned on this activity, but seen by participants as something quite different (play).
- keying (interpreting)