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With the following code you obtain the audio input (microphone) in Processing (Java):

in = new AudioIn(this, 0);

How do I get the audio OUTPUT of the computer?

David Dejori
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  • Windows: http://stackoverflow.com/questions/211484/how-do-i-capture-the-audio-that-is-being-played; Linux: http://stackoverflow.com/questions/2869898/java-sound-api-capturing-sound-output-from-a-target-port and here: http://stackoverflow.com/questions/6644368/capturing-speaker-output-in-java – Boris Pavlović Feb 17 '15 at 13:40

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You have to route the computer's (audio card's) output to a line that can be used by processing.

You can use an app like Sound flower.

Xxxo
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