Institut für Rundfunktechnik
The Institut für Rundfunktechnik GmbH (IRT) (Institute for Broadcasting Technology Ltd.) was a research centre of German broadcasters (ARD / ZDF / DLR), Austria's broadcaster (ORF) and the Swiss public broadcaster (SRG / SSR). It was responsible for research on broadcasting technology.
Source: Wikipedia — Institut für Rundfunktechnik (CC BY-SA 4.0)