-- narrow band filtered crackle noise (jmcc) #2

import Sound.SC3 {- hsc3 -}
import Sound.SC3.Lang.Control.OverlapTexture {- hsc3-lang -}

rand2 :: ID a => a -> UGen -> UGen
rand2 e n = rand e (- n) n

nbfcn :: UGen
nbfcn =
    let e = envLinen 2 5 2 1
        rf1 = rand 'α' 0 2000 + 80
        rf2 = rf1 + (rand2 'β' 0.2 * rf1)
        rf = xLine KR rf1 rf2 9 DoNothing
        c = crackle AR 1.97 + rand 'γ' 0 0.03 * 0.15
    in pan2 (resonz c rf 0.2) (rand2 'δ' 1) (envGen AR 1 1 0 1 RemoveSynth e)

main :: IO ()
main = spawnTextureU (const 2,maxBound) nbfcn