XOut: table of contents
Classes | UGens > InOut

XOut : AbstractOut : UGen : AbstractFunction : Object

Send signal to a bus, crossfading with previous contents.
Source: InOut.sc


Send signal to a bus, crossfading with previous contents. xfade is a level for the crossfade between what is on the bus and what you are sending. The algorithm is equivalent to this:

bus_signal = (input_signal * xfade) + (bus_signal * (1 - xfade));

See the Server Architecture and Bus helpfiles for more information on buses and how they are used.

Class Methods

XOut.ar(bus, xfade, channelsArray)

XOut.kr(bus, xfade, channelsArray)



The index of the bus to write out to. The lowest numbers are written to the audio hardware.


Crossfade level.


An Array of channels or single output to write out. You cannot change the size of this once a SynthDef has been built.

Inherited class methods

Undocumented class methods


Instance Methods

Inherited instance methods

Undocumented instance methods



SynthDef("help-SinOsc", { arg freq=440, out;
    Out.ar(out, SinOsc.ar(freq, 0, 0.1))

SynthDef("help-XOut", { arg out=0, xFade=1;
    var source;
        source = PinkNoise.ar(0.05);

        // write to the bus, crossfading with previous contents
        XOut.ar(out, xFade, source);


Synth("help-SinOsc", [\freq, 500]);
a = Synth.tail(s, "help-XOut");

a.set(\xFade, 0.7);
a.set(\xFade, 0.4);
a.set(\xFade, 0.0);