hsc3-0.16: Help/UGen/dgeom.help.lhs
> Sound.SC3.UGen.Help.viewSC3Help "Dgeom"
> Sound.SC3.UGen.DB.ugenSummary "Dgeom"
> import Sound.SC3 {- hsc3 -}
>
> g_01 =
> let n = dgeom 'α' 15 1 1.2
> x = mouseX KR 1 40 Exponential 0.1
> t = impulse KR x 0
> f = demand t 0 n * 30 + 340
> in sinOsc AR f 0 * 0.1