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Does anyone know of a way to set the linein on a Mac to route from the lineout? I want to essentially work with the music played on my Mac. An alternative solution I suppose would be to set the Linein as the output from iTunes/other music player.

For context: My specific use-case is audio processing in Processing with the minim library, calling getLineIn. Trying to create some visuals that respond to the music being played.

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up vote 1 down vote accepted

You could set the default output device temporarily to a Soundflower device. In the application used to record or process the input, set the input device to Soundflower and the output device to a normal output.

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