Makes a periodic noise for plugins demos. Simply multiply you signal to footprint by the next() sample.
1D perlin noise octave. Is useful to slightly move parameters over time.
Pink noise class using the autocorrelated generator method. Method proposed and described by Larry Trammell "the RidgeRat" -- see http://home.earthlink.net/~ltrammell/tech/newpink.htm There are no restrictions.
Generates white gaussian noise.