hsc3-0.18: Help/UGen/grainIn.help.lhs
> import Sound.SC3 {- hsc3 -}
> f_01 s =
> let x = mouseX KR (-0.5) 0.5 Linear 0.1
> y = mouseY KR 5 25 Linear 0.1
> t = impulse KR y 0
> in grainIn 2 t 0.1 s x (-1) 512 * 0.1
> g_01 = f_01 (pinkNoise 'α' AR)
> g_02 = let s = soundIn 0 in s * 0.05 + f_01 s