What is Mumble ?

Currently MainVoice Communications is working on bringing up Mumble Voice as one of its VoIP services. But what exactly is Mumble ?

Mumble is a free, open-source, cross-platform voice over IP application. Its primary users are gamers, and it is similar to programs such as TeamSpeak and Ventrilo. It uses a client–server architecture where users who want to talk connect to the same server.

Mumble’s stated design goal is not to create the most elite gaming utility but to create the most social one. The goal is to recreate the feel and social interaction of a LAN party. As such, Mumble has a very simple administrative interface and most of the engineering effort is put into sound quality and low latency.

Mumble uses Speex not only as a voice codec, but also for noise reduction and automatic gain control. From version 1.2 CELT is also supported. Mumble is optimized for low latency, resulting in faster communication. Mumble incorporates echo cancellation, which permits the use of speakers as well as headphones. With some games, like Call Of Duty on Windows, a plugin lets you hear the positional audio of other players.

A Mumble server (called Murmur) has a Root channel and a hierarchical tree of channels beneath it. Users can link channels together to temporarily create large virtual channels. This is useful during larger events where a small group of users may be chatting in a channel, but they will be linked to a common channel with other users to hear announcements.

Support for Mumble voice servers is set to begin August 1st, 2010 by: MainVoice Communications.

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