hsc3-0.18: Help/UGen/lfSaw.help.lhs
Note: SC2 did not have the initial phase argument.
> import Sound.SC3
> g_01 = lfSaw AR 500 1 * 0.1
Used as both Oscillator and LFO.
> g_02 = lfSaw AR (lfSaw KR 4 0 * 400 + 400) 0 * 0.1
Output range is bi-polar.
> g_03 =
> let f = mce [linLin (lfSaw KR 0.5 0) (-1) 1 200 1600, 200, 1600]
> a = mce [0.1,0.05,0.05]
> in mix (sinOsc AR f 0 * a)
saw-tooth wave as sum of sines.
for all partials n, amplitude is (1 / n).
phase is always 0.
cross-fade from sum to lfSaw.
> g_04 =
> let mk_freq f0 n = f0 * fromInteger n
> mk_amp n = 1 / fromInteger n
> mk_param f0 n = let m = [1,2 .. n] in zip (map (mk_freq f0) m) (map mk_amp m)
> x = midiCPS (mouseX KR 20 72 Linear 0.2)
> y = mouseY KR 0.01 0.1 Exponential 0.2
> e = xLine KR 0.01 1 20 DoNothing
> o1 = sum (map (\(fr,am) -> sinOsc AR fr 0 * am) (mk_param x 25)) * (1 - e)
> o2 = lfSaw AR x 0 * e
> in mce2 o1 o2 * y
as phasor input to sin function
> g_05 = sin (range 0 two_pi (lfSaw AR 440 0)) * 0.2
mixed with sin, then with distortions
> g_06 =
> let f = xLine KR 220 440 10 DoNothing
> o1 = sinOsc AR (f + mce2 0 0.7) 0
> o2 = lfSaw AR (f + mce2 0 0.7) 0 * 0.3
> o3 = cubed (distort (log (distort (o1 + o2))))
> in o3 * 0.1
Drawings
> import Sound.SC3.Plot {- hsc3-plot -}
> plot_ugen1 0.1 (lfSaw AR 50 0) -- ascending
> plot_ugen1 0.002 (lfSaw AR 5000 0)

