AV Control has typically been in the hardware domain- black boxes with LED lights and a bank of serial connections. The user interface for these devices are also proprietary touch panels that require special design software to create interfaces. In the last 20 years this has been the standard approach to professional AV.  Not much has changed in that time.

The new CPC building at The University of Sydney is officially open. This includes 55 ACAEngine  interfaces running on mounted iPads.  The building has seamless integration between technology and architecture to create a collaborative environment for the medical students and researchers.