Sound,  【noise】  both mean a sensation or effect produced by the stimulation of the auditory receptors of the ear and the auditory centers of the brain.

Sound is the general term applicable to anything that is heard regardless of its loudness or softness, its pleasantness or unpleasantness, or its meaningfulness or meaninglessness.

【Noise】 basically applies to confused sounds emanating from many persons and usually suggests a clamor made by mingled outcries or shouts; in more general use, it may apply to a disagreeably loud or harsh sound, whatever its source.

Although the connotations of unpleasantness and discordance typically distinguish 【noise】  from sound,  【noise】 may sometimes be applied to a 【sound 】 that merely engages the attention.

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