jitter

jit·ter

an unsteady condition in which there are many small, rapid movements
uneven fluctuations in a video or audio signal, causing distortion

Origin of jitter

from uncertain or unknown; perhaps

to be unsteady with many small, rapid movements
Informal to be nervous; have the jitters; fidget

jitter Idioms

the jitters

Informal a very uneasy, nervous feeling; the fidgets

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jitter

intransitive verb

jit·tered, jit·ter·ing, jit·ters

To be nervous or uneasy; fidget.
To make small quick jumpy movements: The pictures on the wall jitter whenever a truck drives by.

noun

A jittering movement; a tic.
jitters A fit of nervousness. Often used with the.
a. An unwanted variation in an electronic or optical signal.
b. An unwanted variation in the arrival times of a sequence of data packets over a digital network.

Origin of jitter

Perhaps alteration of chitter

THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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Noun

(plural jitters)

A nervous action; a tic.
(chiefly in the plural, often with "the") A state of nervousness.
That creepy movie gave me the jitters.
(telecommunications) An abrupt and unwanted variation of one or more signal characteristics.

Verb

(third-person singular simple present jitters, present participle jittering, simple past and past participle jittered)

(intransitive) To be nervous.

Origin

Possibly alteration of chitter (“tremble, shiver”), from Middle English chittern (“to twitter, chatter”)

Noun

(plural jitters)

(computing) A program or routine that performs jitting.

Origin

jit +‎ -er

English Wiktionary. Available under CC-BY-SA license.

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jitter - Computer Definition

Uncertain variation in the timing of a received signal as compared to the timing of the transmitted signal. All signals experience some amount of delay, or latency, as they propagate across a circuit as, even at the speed of light, it takes some amount of time to travel the distance from one point to another. The timing of the signal elements remains consistent, however, barring changes in the length or other physical characteristics of the circuit caused by variations in temperature or other external forces. As devices are added to a circuit, even relatively simple devices such as amplifiers and repeaters performing relatively simple processes, additional delay is introduced, and the potential for variability in delay is increased because of factors such as fluctuations in power sources and faulty internal components. Should variability exceed specified tolerances, the timing of the pulses can be unacceptably irregular, and the receiving device may be unable to interpret the received signal correctly.
Variability in latency of a block, cell, frame, packet, or other message unit. Data message units can suffer jitter not only due to issues of signal jitter, but also because they may encounter different levels of congestion, which may cause them to spend different amounts of time in queues.These factors, and others, contribute to jitter. Some applications, such as e-mail, are tolerant of jitter, while other applications, such as real-time, uncompressed voice, are highly intolerant of jitter.
Undesirable rapid or jumpy movement of images, such as those displayed on a television or computer monitor. Jitter can be caused by circuit instability or faulty system components. See also latency, propagation delay, and velocity of propagation (Vp).

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Jitter. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/Jitter

A flicker or fluctuation in a transmission signal or display image. The term is used in several ways, but it always refers to some offset of time and space from the norm. For example, in a network transmission, jitter would be a bit arriving either ahead or behind a standard clock cycle. In computer graphics, to "jitter a pixel" means to place it off side of its normal placement by some random amount in order to achieve a more natural appearance. See anti-aliasing. See also jitterati.

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Jitter. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/Jitter

jitter

jitter

jitter - Computer Definition

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