Learn how Radiofrance leverage open-source software to transport, encode, deliver and monitor audio stream in the cloud. You will get a global infrastructure overview on a platform that serve audio stream at scale. What we will talk about: - How we chose our audio streaming protocol (HLS and Icecast). - How to transport audio from corporate SI to the cloud with the protocol SRT. - How we use Liquidsoap as streaming server to implement high availability logic, encode and mux our stream. - How we monitor our system with Prometheus and Grafana. - How to scale an audio streaming platform for 80 radios and 200K+ concurrent listeners.