HelpSource/Classes/K2A.schelp

   1 class:: K2A
   2 summary:: Control to audio rate converter.
   3 related:: Classes/A2K
   4 categories::  UGens>Conversion
   5
   6
   7 Description::
   8
   9 To be able to play a control rate UGen into an audio rate UGen,
  10 sometimes the rate must be converted. K2A converts via linear
  11 interpolation.
  12
  13
  14 classmethods::
  15
  16 method::ar
  17
  18 argument::in
  19 The input signal.
  20
  21 Examples::
  22
  23 code::
  24 { K2A.ar(WhiteNoise.kr(0.3)) }.scope;
  25
  26
  27 // compare:
  28
  29 (
  30 {
  31         [
  32                 K2A.ar(WhiteNoise.kr(0.3)),
  33                 WhiteNoise.ar(0.3)
  34         ]
  35 }.scope;
  36 )
  37
  38
  39 (
  40 {
  41         var freq, blockSize, sampleRate;
  42         blockSize = Server.internal.options.blockSize; // usually 64
  43         sampleRate = Server.internal.sampleRate;
  44         freq = MouseX.kr(0.1, 40, 1) / blockSize * sampleRate;
  45         [
  46                 K2A.ar(LFNoise0.kr(freq)),
  47                 LFNoise0.ar(freq)
  48         ] * 0.3
  49 }.scope;
  50 )
  51 ::
  52