30 lines
1.3 KiB
Markdown
30 lines
1.3 KiB
Markdown
# Routing audio
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One of my personal requirements for a _live coding_ system with SuperCollider is
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that I want to route audio to other applications. I often use my _live coding_
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system as a way to generate raw materials that go through various audio busses
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for post-mixing and live audio effects controlled through MIDI controllers.
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During the [setup](recommended.md) phase, I have encouraged you to install an
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application that allows the creation of virtual audio busses. That's where it is
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finally used.
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The `Boot` pseudo-class is seting up the audio to output to 16 channels. You can
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think of it as 8 stereo channels with 2 channels each. If you like quadriphony
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or octophony, you can also use 4 or 8 channels at a time. The routing of audio
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in the host application is entirely up to you but the gest of it is that you can
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now record / post-process the sound in any way you want.
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# Sending audio to a bus
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The `.play` method used by JITLib allows you to decide which output bus is going
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to be used. All you have to do is to add some argument when calling the method:
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```supercollider
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~foo = { SinOsc.ar(200) ! 2 * 0.5 };
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~foo.play(fadeTime: 4, out: 4);
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```
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This code snippet will play a sine wave on bus 5 and 6. Remember that the first bus is 0.
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