What is 1/f noise?
[[File:Pink noise spectrum.svg|thumb|alt=Spectrum of a pink noise approximation on a log-log plot. Power density falls off at 10 dB/decade of frequency. |Spectrum of a pink noise approximation on a log-log plot. Power density falls off at 10 dB/decade of frequency.]] '''1/f noise''' or '''pink noise''' is a [[Mathematics|mathematical]] [[equation]] that relates the [[Power (physics)|power]] of the [[Signal (electrical engineering)|signal]] to the signal's [[frequency]]. A signal's power measurement will be 1/frequency, which is a power law relationship. [[Category:Equations]] [[Category:Sound]] {{math-stub}}