Low latency VoIP client Mumble is a low-latency, high quality voice chat program for gaming. It features noise suppression, automatic gain control and low latency audio with support for multiple audio standards. Mumble includes an in-game overlay compatible with most open-source and commercial 3D applications. Mumble is just a client and uses a non-standard protocol. You will need a dedicated server to talk to other users. Server functionality is provided by the package "mumble-server".