In this tutorial, we will use the AU Lab program to run the Live Processor together with Black Hole.
Proceed by doing the following steps:

• Download and install AU Lab.

• Download and install Black Hole:

• Download and install the Dirac Live Processor:

• Restart Computer

• Open “System Preferences”, select “Sound” and choose “Black Hole 16ch” as Output

• Start AU Lab and create a new document by selecting File->New… Select Stereo in/Stereo
out with input device: Black Hole 16 ch and Output device your preferred soundcard.

• Play a sound with spotify or a mediaplayer to make sure sound is passing through.
If you hear no sound, make sure AU Lab is allowed to access the microphone.

• Add DiracLiveProcessor plugin to effects on the output channel

• save the AU Lab document that you just created and go to AU Lab->Preferences… and select
documents. Choose Open a specific document in the radio button list and choose the document you
just saved.

You can also right click the AU Lab icon in the Dock and choose option->Open at Login

You have now setup AU Lab together with Dirac Live processor and Black Hole. You are now ready to
perform a measurement and create your first filters.
You should now proceed according the Step by Step instructions found at and continue from “Install and set up the Dirac Live
calibration tool”