HelpSource/Classes/Amplitude.schelp

   1 class:: Amplitude
   2 summary:: Amplitude follower
   3 categories:: UGens>Analysis>Amplitude
   4
   5 description::
   6 Tracks the peak amplitude of a signal.
   7
   8 classmethods::
   9
  10 method:: ar, kr
  11
  12 argument::in
  13 Input signal
  14
  15 argument::attackTime
  16 60dB convergence time for following attacks.
  17
  18 argument::releaseTime
  19 60dB convergence time for following decays.
  20
  21 argument::mul
  22
  23 argument::add
  24
  25 examples::
  26
  27 code::
  28 (
  29 // use input amplitude to control SinOsc frequency
  30 {
  31     SinOsc.ar(
  32             Amplitude.kr(
  33                         Blip.ar(3, 20) * LFNoise1.kr(0.1).range(0, 1),
  34                         MouseX.kr(0.001, 1, 1),
  35                         MouseY.kr(0.001, 1, 1),
  36                         1200,
  37                         400
  38             ),
  39             0, 0.3)
  40 }.play;
  41 )
  42 ::
  43
  44 code::
  45 // use input amplitude to control Pulse amplitude - use headphones to prevent feedback.
  46 { Pulse.ar(90, 0.3, Amplitude.kr(SoundIn.ar(0))) }.play;
  47 ::
  48
  49 code::
  50 (
  51 // use input amplitude to control SinOsc frequency - use headphones to prevent feedback.
  52 {
  53     SinOsc.ar(
  54             Amplitude.kr(
  55                         SoundIn.ar(0),
  56                         0.01,
  57                         0.01,
  58                         1200,
  59                         400
  60             ),
  61             0, 0.3)
  62 }.play;
  63 )
  64 ::