/usr/share/SuperCollider/HelpSource/Classes/LinCongN.schelp is in supercollider-common 1:3.6.3~repack-5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | class:: LinCongN
summary:: Linear congruential chaotic generator
categories:: UGens>Generators>Chaotic
related:: Classes/LinCongL, Classes/LinCongC
description::
A non-interpolating sound generator based on the difference equation:
code::
x[n+1] = (a * x[n] + c) % m
::
warning:: revise formulae converted to c like code ::
The output signal is automatically scaled to a range of [-1, 1].
classmethods::
method:: ar
argument:: freq
Iteration frequency in Hertz
argument:: a
Multiplier amount
argument:: c
Increment amount
argument:: m
Modulus amount
argument:: xi
Initial value of x
argument:: mul
argument:: add
examples::
code::
// default initial params
{ LinCongN.ar(MouseX.kr(20, SampleRate.ir)) * 0.2 }.play(s);
::
code::
// randomly modulate params
(
{ LinCongN.ar(
LFNoise2.kr(1, 1e4, 1e4),
LFNoise2.kr(0.1, 0.5, 1.4),
LFNoise2.kr(0.1, 0.1, 0.1),
LFNoise2.kr(0.1)
) * 0.2 }.play(s);
)
::
code::
// as frequency control...
(
{
SinOsc.ar(
LinCongN.ar(
40,
LFNoise2.kr(0.1, 0.1, 1),
LFNoise2.kr(0.1, 0.1, 0.1),
LFNoise2.kr(0.1),
0, 500, 600
)
) * 0.4 }.play(s);
)
::
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