If not using Dirac Processor Standalone (macOS), skip to §6.0.
Start DiracLiveProcessor in Applications
Log in to your Dirac account if necessary.
The Processor window will look empty the first time you open it. You will populate this window with filters after you have created them in Dirac Live® 3.
In Dirac Live Processor, go to Options → Audio Settings.. and select the audio interface you want to use.
Open Audio MIDI Setup and make sure Dirac Virtual Audio Device is in the list of soundcards
Play a sound and make sure the sound is passing through the Dirac Live Processor
You are now ready to perform a measurement and create your first filters.