Noise refers to many types of random, troublesome, problematic, or unwanted signals.
Acoustic noise may mar aesthetic experience, such as attending a concert hall. It may also be a medical issue inherent in the biology of hearing.
In technology, noise is unwanted signals in a device or apparatus, commonly of an electrical nature. The nature of noise is much studied in mathematics and is a prominent topic in statistics.
This article provides a survey of specific topics linked to their primary articles.
Main article: Noise
Noise in computer graphics refers to various pseudo-random functions used to create textures, including: