de.sciss.synth.ugen

PulseDivider

object PulseDivider extends Serializable

A UGen that decimates trigger by outputting one impulse each time a certain number of triggers at its input have been received.

Examples
// every two mouse-button clicks
play {
  val in  = MouseButton.kr(lag = 0)
  in.poll(in, "in")
  val out = PulseDivider.kr(in, 2, -1)
  out.poll(out, "out")
  ()
}
// rhythmic 1:4 pattern
play {
  val p = Impulse.ar(8)
  val d = PulseDivider.ar(p, 4)
  val a = SinOsc.ar(1200) * Decay2.ar(p, 0.005, 0.1) * 0.3
  val b = SinOsc.ar( 600) * Decay2.ar(d, 0.005, 0.5) * 0.3
  Seq(a, b)
}
See also

Stepper

PulseCount

Linear Supertypes
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  6. def ar(trig: GE, div: GE = 2, start: GE = 0): PulseDivider

    trig

    a trigger occurs when the signal changes from non-positive to positive.

    div

    decimation factor of the UGen. A value of 1 would cause an output trigger for each input trigger, whereas a value of 2 would cause an output trigger each time the internal counter has seen two input triggers.

    start

    value of the internal counter. For example, if div is 2 , then a start value of 0 (default) means that the first output trigger happens after two input triggers, a start value of 1 means that the first output trigger happens after just one input trigger. Negative values can increase the number of required input triggers for the first output trigger. For example, if start is -1 , the first output trigger happens after three input triggers.

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  15. def kr(trig: GE, div: GE = 2, start: GE = 0): PulseDivider

    trig

    a trigger occurs when the signal changes from non-positive to positive.

    div

    decimation factor of the UGen. A value of 1 would cause an output trigger for each input trigger, whereas a value of 2 would cause an output trigger each time the internal counter has seen two input triggers.

    start

    value of the internal counter. For example, if div is 2 , then a start value of 0 (default) means that the first output trigger happens after two input triggers, a start value of 1 means that the first output trigger happens after just one input trigger. Negative values can increase the number of required input triggers for the first output trigger. For example, if start is -1 , the first output trigger happens after three input triggers.

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