He was the only guy wearing a sweater and trying to congratulate Jenna over the noise of the crowd.
My health project taught me that noise pollution is actually a serious health threat.
When a tiger attacks a zookeeper, it is "making a noise like a locomotive."
Palin accuses the station of setting her up in "a deliberate move to make some noise."
Find a relatively peaceful place where the child can retreat if the noise and hullabaloo get to be too much.
But, really, the noise of that screw makes it difficult to hear distinctly.
The birds feel it—and wonder at the tune that makes no noise.
This lightning was silent; the noise of the thunder did not reach Geneva.
Do not open and shut the doors, and make a noise, as if there were four of you.
She started up at the noise, and stood like one turned to stone.
early 13c., "loud outcry, clamor, shouting," from Old French noise "din, disturbance, uproar, brawl" (11c., in modern French only in phrase chercher noise "to pick a quarrel"), also "rumor, report, news," apparently from Latin nausea "disgust, annoyance, discomfort," literally "seasickness" (see nausea).
Another theory traces the Old French word to Latin noxia "hurting, injury, damage." OED considers that "the sense of the word is against both suggestions," but nausea could have developed a sense in Vulgar Latin of "unpleasant situation, noise, quarrel" (cf. Old Provençal nauza "noise, quarrel"). Meaning "loud or unpleasant sound" is from c.1300. Replaced native gedyn (see din).
late 14c., "to praise; to talk loudly about," from noise (n.). Related: Noised; noising.
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.