dsp-0.2.5: Haskell Digital Signal Processing

Copyright(c) Matthew Donadio 2003
LicenseGPL
Maintainerm.p.donadio@ieee.org
Stabilityexperimental
Portabilityportable
Safe HaskellSafe
LanguageHaskell98

Numeric.Random.Spectrum.Purple

Description

Function for purple noise, which is differentiated white noise

This currently just does a simple first-order difference. This is equivalent to filtering the white noise with h[n] = [1,-1] A better solution would be to use a proper FIR differentiator.

Documentation

purple Source #

Arguments

:: [Double]

noise

-> [Double]

purple noise