white noise

== English == === Pronunciation === IPA(key): /ˌwaɪt ˈnɔɪz/ === Noun === white noise (uncountable) (physics) A random signal (or process) with a flat power spectral density; a signal with a power spectral density that has equal power in any band, at any centre frequency, having a given bandwidth. (nontechnically) Any nondescript noise used for background or to mask or drown out other noise. (figuratively, by extension) Speech that goes ignored or uncomprehended. ==== Coordinate terms ==== pink noise, red noise, blue noise, violet noise, grey noise ==== Derived terms ==== white noise machine ==== Translations ==== === See also === prewhiten === Further reading === white noise on Wikipedia.Wikipedia