-- https://www.listarc.bham.ac.uk/lists/sc-users/msg17536.html (f0)

import Sound.SC3 {- hsc3 -}

f0 :: UGen
f0 = let s0 = lfSaw AR 10 0 * 0.01
         t0 = lfTri AR (mce2 5 6 * 0.1) 0
         t1 = lfTri KR 0.1 0 * 0.05 + 0.05
         s1 = limiter (brf s0 t0 1) 1 0.01
         o = combN s1 0.1 (roundTo t1 0.01) 1
     in out 0 (o * 0.1)

main :: IO ()
main = audition f0