This course is an advanced study of procedures to achieve controlled mixes in the digital and analog mixing environments. It focuses on aspects of digital and analog summing, headroom, gain stages, subgroups, side-chair processing, hardware inserts, delay compensation, clocking, maintaining digital resolution, digital synchronization, A/D D/A conversion, sample rate conversion, dithering, serial order of processing, mid/side processing, and more. Students complete such assignments as signal flow drawings, equipment research, and a final project focusing on subgroup mixing techniques.