Johannes Rietschel President of Barix is a pioneer in IP Audio, IP Intercom, Controlling and Monitoring over IP. 

Barix AG specializes in the research, development and manufacture of IP-based audio and data distribution, communication, monitoring, control, and automation hardware solutions for commercial, industrial, security and military applications.

Barix’s smart, reliable, compact, stand-alone components stream and communicate over standard network infrastructure and Internet, for local or worldwide networked solutions, eliminating the need for extra wiring and PCs.

You can follow Johannes' blog regarding Audio over IP Applications which provides interesting insights and tidbits about IP Audio applications from around the world.

Applications include In-store music and announcements , car park access control, intercom, public address, wireless public address, studio links for radio broadcasters, bell & intercom/pa for schools and audio communications for transport systems.