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Smoothly mixes and fades from one stereo input to another.

Crossfader lets you crossfade between two stereo input signals. You can control the volume of each stereo input pair, as well as the overall volume of the contraption's output.

Connecting a patch cord to only one side of a stereo input on this contraption bridges the audio to both inputs.

See the Adjusting Contraption Properties section for information about using sliders, knobs, presets etc.

Related Contraptions

Frosscader, Mixers


Crossfader parameter editor window



Controls the gain (level) of the output.



Controls the gain of the first input stereo pair.



Controls the gain of the second input stereo pair.


Controls the crossfade from one stereo input to the other. When the slider is set to 0.00%, only 1&2 are heard. When the slider is at 100.00%, only 3&4 are heard. When at 50%, there is an equal mix of both input stereo pairs. As you move the crossfade slider from one end to the other, you can achieve a smooth transition from one input stereo pair to the other.

Relevant Example Files

The following files provide examples of how Crossfader can be used:

SimplePlugnPlay.amh, MultiChan_IO+Record.amh & TxtStpBtBxr.amh.

To open the Example Files directory, go to the File menu, select Open, and double-click on the Examples folder. Read descriptions of the example files here.

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