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class:: Schmidt
summary:: Schmidt trigger.
related:: Classes/InRange, Classes/InRect
categories:: UGens>Maths
Description::
If code::in > hi::, output 1. If code::in < lo::, output 0. Otherwise, repeat the
last sample of output, assumed to be 0 at initialization. In sclang-flavored
pseudocode:
code::
out[i] = if(in[i] < lo[i]) {
0
} {
if(in[i] > hi[i]) {
1
} {
out[i-1]
}
};
::
classmethods::
method::ar, kr
argument::in
Signal to be tested.
argument::lo
Low threshold.
argument::hi
High threshold.
Examples::
code::
s.boot;
{ Schmidt.kr(SinOsc.kr(1, 0, 0.2), -0.15, 0.15)}.scope; // see the trigger
{ Schmidt.kr(MouseX.kr(0, 1), 0.2, 0.8)}.scope; // try it with the cursor
// threshold octave jumps
(
{
var in = LFNoise1.kr(3);
var octave = Schmidt.kr(in, -0.15, 0.15) + 1;
SinOsc.ar(in * 200 + 500 * octave, 0, 0.1)
}.scope;
)
::
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