Mac 5: Editing and Cerevoice capture- Adobe Audition on Mac 5 can be used for digesting all the outputs from the Mackie mixer for final edit. In addition it can receive direct input from the K6 system. It can also be used to capture CerevoiceChris from Word to Audacity. Mac 4: Midi sequencing (exclusive digital connectivity to Mackie) – Mac 4 uses Ardour for midi connectivity to the midi chain