LeastChange : MostChange : UGen : AbstractFunction : Object

Description

Given two inputs a and b, let da[t] = abs(a[t] - a[t - 1]) and db[t] = abs(b[t] - b[t - 1]). Output a[t] if da[t] is smaller, and output b[t] if db[t] is smaller. If da[t] == db[t], use whichever input was used last (assume a for the first sample of output).

Class Methods

LeastChange.ar(a: 0.0, b: 0.0)

LeastChange.kr(a: 0.0, b: 0.0)

Inherited class methods

Instance Methods

Inherited instance methods

Examples

(

d = { arg amp=1.0;

    var in1, in2;

    in1 = LFNoise0.ar(800, amp);

    in2 = SinOsc.ar(800);

    LeastChange.ar(in1, in2) * 0.1;

}.play;

)

​

d.set(\amp, 0.1);

d.set(\amp, 0);

d.set(\amp, 3);

d.free;

the control that changed least is used as output:( d = { arg freq=440; var internalFreq; internalFreq = LFNoise0.ar(0.3, 300, 800); SinOsc.ar( LeastChange.kr(freq, internalFreq) // two sources of change: one external, one internal ) * 0.1 }.play ); d.set(\freq, 800); d.set(\freq, 900); d.free;

xxxxxxxxxx

(

d = { arg freq=440;

    var internalFreq;

    internalFreq = LFNoise0.ar(0.3, 300, 800);

    SinOsc.ar(

        LeastChange.kr(freq, internalFreq) // two sources of change: one external, one internal

    ) * 0.1

}.play

);

​

d.set(\freq, 800);

d.set(\freq, 900);

d.free;