jitter

Definitions

General Science

  • noun a fault where there is rapid small up-and-down movement of characters or pixels on a screen of image bits in a facsimile transmission

Computing

  • noun the rapid small up-and-down movement of characters or pixels on a screen displaying image bits in a facsimile transmission
  • noun a fault in a transmission line that causes some of the data bits being transmitted to be corrupted

Electronics

  • Small and rapid fluctuations in a phenomenon, as might occur, for example, in image or sound reproduction, which are due to factors such as variations in the power supply, mechanical vibrations, or interference. Jitter may manifest itself, for instance, as variations in amplitude, frequency, phase, or time.
  • In a CRT, rapid and irregular fluctuations which make the image appear to shake, and which are usually due to errors in synchronization.
  • In fax, distortion of the received image, due to errors in synchronization.

Slang

  • noun (something or someone) unpleasant, obnoxious. In playground usage since the 1990s.
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