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  1. Statistical properties

    Any distribution of values is possible (although it must have zero DC component). Even a binary signal which can … See more

    White noise - Wikipedia

    • In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density. The term is used with this or similar meanings in many scientific and technical disciplines, including physics, acoustical engineering, telecommunications, and statistical forecasting. White noise refers to a statistical mo… See more

    Practical applications

    White noise is commonly used in the production of electronic music, usually either directly or as an input for a filter to create other types of noise signal. It is used extensively in audio synthesis, typically to recreate pe… See more

    Mathematical definitions

    A random vector (that is, a random variable with values in R ) is said to be a white noise vector or white random vector if its components each have a probability distribution with zero mean and finite variance, … See more

    Mathematical applications

    In statistics and econometrics one often assumes that an observed series of data values is the sum of the values generated by a deterministic linear process, depending on certain independent (explanatory) variables, … See more

    Generation

    White noise may be generated digitally with a digital signal processor, microprocessor, or microcontroller. Generating white noise typically entails feeding an appropriate stream of random numbers to a digital-to-analog con… See more

    Informal use

    The term is sometimes used as a colloquialism to describe a backdrop of ambient sound, creating an indistinct or seamless commotion. Following are some examples:
    • Chatter … See more

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