hsc3-0.18: Help/UGen/hpf.help.lhs
> import Sound.SC3 {- hsc3 -}
> g_01 =
> let f = fSinOsc KR (xLine KR 0.7 300 20 RemoveSynth) 0 * 3600 + 4000
> in hpf (saw AR 200 * 0.2) f
import Sound.SC3.Plot.FFT {- hsc3-plot -}
plot_ugen_fft1 0.05 (hpf (whiteNoise 'α' AR) 12000)