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How am I able to record the output on my Mac meanwhile I am listening it with earplug? i.e. listen something in browser in youtube and I want to record it as well?

marked as duplicate by Tetsujin, jherran, nohillside Nov 23 '15 at 12:23

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Need two thing to be able to listen music and same time record it:

  1. Download / Install Soundflower
  2. Change Audio Midi Setup:

If you open OSX's 'Audio Midi Setup' program then from the Window menu choose 'show audio window', you can click the + button in the bottom left corner & create a multi-output device. Then you just check the boxes for both soundflower and the built in output and Bob's your uncle - you can hear it as well as record it.

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