Noise vs. Signal

Noisenoun

Various sounds, usually unwanted or unpleasant.

Noisenoun

Sound or signal generated by random fluctuations.

Noisenoun

(technology) Unwanted part of a signal.

Noisenoun

Unwanted fuss or bustle; useless activity.

Noisenoun

(genetics) The measured level of variation in gene expression among cells, regardless of source, within a supposedly identical population.

Noisenoun

Rumour or complaint.

Noisenoun

(obsolete) Music, in general; a concert; also, a company of musicians; a band.

Noisenoun

(music) A genre of rock music that uses static and other non-musical sounds, also influenced by art rock.

Noiseverb

(intransitive) To make a noise; to sound.

Noiseverb

(transitive) To spread news of; to spread as rumor or gossip.

Noisenoun

Sound of any kind.

Noisenoun

Especially, loud, confused, or senseless sound; clamor; din.

Noisenoun

Loud or continuous talk; general talk or discussion; rumor; report.

Noisenoun

Music, in general; a concert; also, a company of musicians; a band.

Noiseverb

To sound; to make a noise.

Noiseverb

To spread by rumor or report.

Noiseverb

To disturb with noise.

Noisenoun

sound of any kind (especially unintelligible or dissonant sound);

Noisenoun

the auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience;

Noisenoun

electrical or acoustic activity that can disturb communication

Noisenoun

a loud outcry of protest or complaint;

Noisenoun

incomprehensibility resulting from irrelevant information or meaningless facts or remarks;

Noisenoun

the quality of lacking any predictable order or plan

Noiseverb

emit a noise

Noisenoun

a sound, especially one that is loud or unpleasant or that causes disturbance

Noisenoun

a series or combination of loud, confused sounds, especially when causing disturbance

Noisenoun

conventional remarks made to express something

Noisenoun

irregular fluctuations that accompany a transmitted electrical signal but are not part of it and tend to obscure it

Noisenoun

random fluctuations that obscure or do not contain meaningful data or other information

Noiseverb

talk about or make known publicly

Noiseverb

make much noise

Noise

Noise is unwanted sound considered unpleasant, loud or disruptive to hearing. From a physics standpoint, noise is indistinguishable from desired sound, as both are vibrations through a medium, such as air or water.

Signalverb

(ambitransitive) To indicate; to convey or communicate by a signal.

Signalverb

(transitive) To communicate with (a person or system) by a signal.

Signaladjective

Standing above others in rank, importance, or achievement.

Signalnoun

A sign made for the purpose of giving notice to a person of some occurence, command, or danger; also, a sign, event, or watchword, which has been agreed upon as the occasion of concerted action.

Signalnoun

A token; an indication; a foreshadowing; a sign.

Signaladjective

Of or pertaining to signals, or the use of signals in conveying information; as, a signal flag or officer.

Signalverb

To communicate by signals; as, to signal orders.

Signalverb

To notify by a signals; to make a signal or signals to; as, to signal a fleet to anchor.

Signalnoun

any communication that encodes a message;

Signalnoun

any incitement to action;

Signalnoun

an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes

Signalverb

communicate silently and non-verbally by signals or signs;

Signalverb

be a signal for or a symptom of;

Signaladjective

notably out of the ordinary;

Signal

In signal processing, a signal is a function that conveys information about a phenomenon. In electronics and telecommunications, it refers to any time varying voltage, current, or electromagnetic wave that carries information.