hsc3-0.16: Help/UGen/pv_BrickWall.help.lhs
> Sound.SC3.UGen.Help.viewSC3Help "PV_BrickWall"
> Sound.SC3.UGen.DB.ugenSummary "PV_BrickWall"
> import Sound.SC3
> withSC3 (async (b_alloc 10 2048 1))
> let {n = whiteNoise 'α' AR
> ;x = mouseX KR (-1) 1 Linear 0.1}
> in audition (out 0 (ifft' (pv_BrickWall (fft' 10 (n * 0.2)) x)))