> Sound.SC3.UGen.Help.viewSC3Help "PV_Invert"
> Sound.SC3.UGen.DB.ugenSummary "PV_Invert"

> import Sound.SC3

> let {s = sinOsc AR 440 0 * 0.4
>     ;n = pinkNoise 'α' AR * 0.1
>     ;i = s + n
>     ;c0 = fft' 10 i
>     ;c1 = pv_Invert c0
>     ;run = do {_ <- async (b_alloc 10 2048 1)
>               ;play (out 0 (mce2 i (ifft' c1) * 0.5))}}
> in withSC3 run