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class:: Amplitude
summary:: Amplitude follower
categories:: UGens>Analysis>Amplitude
description::
Tracks the peak amplitude of a signal.
classmethods::
method:: ar, kr
argument::in
Input signal
argument::attackTime
60dB convergence time for following attacks.
argument::releaseTime
60dB convergence time for following decays.
argument::mul
argument::add
examples::
code::
(
// use input amplitude to control SinOsc frequency
{
SinOsc.ar(
Amplitude.kr(
Blip.ar(3, 20) * LFNoise1.kr(0.1).range(0, 1),
MouseX.kr(0.001, 1, 1),
MouseY.kr(0.001, 1, 1),
1200,
400
),
0, 0.3)
}.play;
)
::
code::
// use input amplitude to control Pulse amplitude - use headphones to prevent feedback.
{ Pulse.ar(90, 0.3, Amplitude.kr(SoundIn.ar(0))) }.play;
::
code::
(
// use input amplitude to control SinOsc frequency - use headphones to prevent feedback.
{
SinOsc.ar(
Amplitude.kr(
SoundIn.ar(0),
0.01,
0.01,
1200,
400
),
0, 0.3)
}.play;
)
::
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