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noise    音標拼音: [n'ɔɪz]
n. 噪音,雜訊,響聲,喧鬧
vt. 謠傳
vi. 喧鬧

噪音,雜訊,響聲,喧鬧謠傳喧鬧

noise
雜訊; 雜音; 干擾; 噪音

noise
噪音 雜訊

noise
n 1: sound of any kind (especially unintelligible or dissonant
sound); "he enjoyed the street noises"; "they heard
indistinct noises of people talking"; "during the firework
display that ended the gala the noise reached 98 decibels"
2: the auditory experience of sound that lacks musical quality;
sound that is a disagreeable auditory experience; "modern
music is just noise to me" [synonym: {noise}, {dissonance},
{racket}]
3: electrical or acoustic activity that can disturb
communication [synonym: {noise}, {interference}, {disturbance}]
4: a loud outcry of protest or complaint; "the announcement of
the election recount caused a lot of noise"; "whatever it was
he didn't like it and he was going to let them know by making
as loud a noise as he could"
5: incomprehensibility resulting from irrelevant information or
meaningless facts or remarks; "all the noise in his speech
concealed the fact that he didn't have anything to say"
6: the quality of lacking any predictable order or plan [synonym:
{randomness}, {haphazardness}, {stochasticity}, {noise}]
v 1: emit a noise [synonym: {make noise}, {resound}, {noise}]

Noise \Noise\, v. i.
To sound; to make a noise. --Milton.
[1913 Webster]


Noise \Noise\, v. t. [imp. & p. p. {Noised}; p pr. & vb. n.
{Noising}.]
1. To spread by rumor or report.
[1913 Webster]

All these sayings were noised abroad. --Luke i. 65.
[1913 Webster]

2. To disturb with noise. [Obs.] --Dryden.
[1913 Webster]


Noise \Noise\, n. [F. noise noisy strife, quarrel, brawl, fr. L.
nausea seasickness, sickness, disgust. See {Nausea}.]
1. Sound of any kind.
[1913 Webster]

The heavens turn about in a most rapid motion
without noise
to us perceived. --Bacon.
[1913 Webster]

Note: Noise is either a sound of too short a duration to be
determined, like the report of a cannon; or else it is
a confused mixture of many discordant sounds, like the
rolling of thunder or the noise of the waves.
Nevertheless, the difference between sound and noise is
by no means precise. --Ganot.
[1913 Webster]

2. Especially, loud, confused, or senseless sound; clamor;
din.
[1913 Webster]

3. Loud or continuous talk; general talk or discussion;
rumor; report. "The noise goes." --Shak.
[1913 Webster]

What noise have we had about transplantation of
diseases and transfusion of blood! --T. Baker.
[1913 Webster]

Socrates lived in Athens during the great plague
which has made so much noise in all ages.
--Spectator.
[1913 Webster]

4. Music, in general; a concert; also, a company of
musicians; a band. [Obs.] --Milton.
[1913 Webster]

The king has his noise of gypsies. --B. Jonson.
[1913 Webster]

Syn: Cry; outcry; clamor; din; clatter; uproar.
[1913 Webster]


background \back"ground`\, n. [Back, a. ground.]
[1913 Webster]
1. Ground in the rear or behind, or in the distance, as
opposed to the {foreground}, or the ground in front.
[1913 Webster]

2. (Paint.) The space which is behind and subordinate to a
portrait or group of figures.
[1913 Webster]

Note: The distance in a picture is usually divided into
foreground, middle distance, and background.
--Fairholt.
[1913 Webster]

3. Anything behind, serving as a foil; as, the statue had a
background of red hangings.
[1913 Webster]

4. A place in obscurity or retirement, or out of sight.
[1913 Webster]

I fancy there was a background of grinding and
waiting before Miss Torry could produce this highly
finished . . . performance. --Mrs.
Alexander.
[1913 Webster]

A husband somewhere in the background. --Thackeray.
[1913 Webster]

5. The set of conditions within which an action takes place,
including the social and physical conditions as well as
the psychological states of the participants; as, within
the background of the massive budget deficits of the
1980's, new spending programs had little chance of passage
by the congress.
[PJC]

6. The set of conditions that precede and affect an action,
such as the social and historical precedents for the
event, as well as the general background[5]; as, against
the background of their expulsion by the Serbs, the desire
of Kosovars for vengeance is understandable though
regrettable.
[PJC]

7. (Science) The signals that may be detected by a
measurement which are not due to the phenomenon being
studied, and tend to make the measurement uncertain to a
greater or lesser degree. Specifically: (Physics)
Electronic noise present in a system using electronic
measuring instrument or in a telecommunications system,
which may hide and which must be differentiated from the
desired signal; also called background noise or {noise}.
[PJC]

8. (Journalism) An agreement between a journalist and an
interviewee that the name of the interviewee will not be
quoted in any publication, although the substance of the
remarks may be reported; -- often used in the phrase "on
background". Compare {deep background}.
[PJC]

{To place in the background}, to make of little consequence.

{To keep in the background}, to remain unobtrusive,
inconspicuous or out of sight; -- of people.

{deep background}, (Journalism) the status of an interview
which must not be quoted in a publication, even without
attribution. Compare {background}[8].
[1913 Webster PJC]

231 Moby Thesaurus words for "noise":
ALGOL, Aesopian language, Babel, Bedlam let loose, COBOL, EDP,
FORTRAN, Greek, aimlessness, alphabetic data, alphanumeric code,
amplitude, angular data, argot, assembler, atmospherics,
auditory effect, auditory phenomenon, babble, babel, ballyhoo,
bawling, be noisy, bedlam, binary digit, binary scale,
binary system, bit, black spot, blare, blaring, blast, blasting,
blind spot, bloom, blooping, bobbery, brawl, brouhaha, bruit about,
bug, byte, cacophony, cant, channel, charivari, chirm, cipher,
circulate, clamor, clangor, clap, clash, clatter, code,
command pulses, commands, commotion, communication explosion,
communication theory, compiler, computer code, computer language,
computer program, confusion of tongues, control signals,
controlled quantity, correcting signals, crash, crawling, creeping,
cryptogram, data, data retrieval, data storage, dead letter,
decoding, definition, din, discord, discordance, dissonance,
disturbance, donnybrook, double Dutch, drift, drunken brawl,
dustup, electronic data processing, emit a sound, emptiness,
empty sound, encoding, entropy, error, error signals, fade-out,
fading, feedback pulses, feedback signals, film data, flap, flare,
fracas, free-for-all, fringe area, futility, garble, ghost,
gibberish, gift of tongues, glossolalia, gobbledygook, granulation,
grid, hard shadow, harshness, hell, hell broke loose,
hexadecimal system, howl, hubbub, hue and cry, hullabaloo, image,
inanity, information, information explosion, information theory,
input data, input quantity, insignificance, instructions,
interference, jangle, jar, jargon, jumble, loud noise, loudness,
machine language, maffick, make a noise, make a racket,
make a sound, make an uproar, meaninglessness, mere noise, message,
multiple image, multiple messages, noise and shouting,
nonsensicality, nullity, numeric data, octal system,
oscillograph data, outcry, output data, output quantity,
pandemonium, phatic communion, phone, picture, picture noise,
picture shifts, play, polar data, punch-card data, purposelessness,
racket, rain, raise Cain, raise a clamor, raise hell,
raise the devil, raise the roof, random data, rattle, reception,
rectangular data, redundancy, reference quantity, resound, rhubarb,
roar, rolling, row, ruckus, ruction, ruly English, rumble,
rumbling, rumor, rumpus, scanning pattern, scintillation, scramble,
secret language, senselessness, shading, shindy, shivaree, signal,
signals, single messages, slang, snow, snowstorm, sonance, sound,
sound intensity level, sound propagation, sound wave, speak,
speech sound, spread, static, thunder, thunderclap, thundering,
tintamarre, tumult, turmoil, ultrasound, unmeaningness,
unorganized data, unsignificancy, uproar, visible-speech data,
whoop it up

Any part of a signal that is not the true or
original signal but is introduced by the communication
mechanism.

A common example would be an electrical signal travelling down
a wire to which noise is added by inductive and capacitive
coupling with other nearby signals (this kind of noise is
known as "{crosstalk}").

A less obvious form of noise is {quantisation} noise, such as
the error between the true colour of a point in a scene in the
real world and its representation as a {pixel} in a digital
image.

(2003-07-05)



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