Noise

In general usage, noise can be considered sound without meaning; that is, sound that is not being used to transmit information, but is simply produced as a by-product of other activities. Most often it is defined as meaningless sound of greater than usual volume. Thus, a loud activity may be referred to as noisy. However, conversations of other people may be called noise for people not involved in any of them.

See:

• Noise (environmental)
• noise music
• Noise (Goidelic mythology)
• noise (physics)

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