Development of a Real time audio conference tool. All participants will receive a mix with the minimum total latency possible, ideally under 20 ms. (sum of network, CTEC compression, audio I/O, etc). A mixer must available to control typical audio parameters of own channel and others. Client-Client and Client-server (mixer) approaches are valid. Buffering auto-adjustment to ensure audio quality.Web based tool is preferred vs a stand-alone tool.