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Mumble is an open-source, low-latency, high quality voice chat software.

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           M U M B L E

 A voicechat utility for gamers

  http://mumble.sourcforge.net/


Mumble is a voicechat program for gamers written on top of Qt and Speex.

There are two modules in Mumble; the client (mumble) and the server
(murmur). The client only works on Win32, while the server should work
on anything QT can be installed on.

Note that when we say Win32, we mean Windows XP or newer.

Running Mumble
==============

After installation, you should have a new Mumble folder in your Start Menu,
from which you can start Mumble. You need a server to connect to, either
create your own or join a friend's.

Note that it's perfectly possible to make the internal state of the audio
preprocessor incosistant so that voice activity and noise filtration doesn't
work. Disconnection and reconnection your microphone will cause this, as
will rubbing it with paper -- anything that causes signals that are way out
of the normal range. If this happens, use Audio|Reset (or the bound
shortcut) to reset it.

Running Murmur
==============

Murmur must be run from the command line, so start a shell (command prompt)
and go to wherever you installed Mumble. Run murmur as

murmur [-loop] [-pw <password>] [-port <port>]

-loop   Enable loop test mode, where you will also hear yourself speak.
        Great for testing, but very annoying if there's another person on.

-pw     Set connection password. Players connection without this password
        will be rejected.

-port   Set the port to bind to. The default is 64738.

Bandwidth usage
===============

Mumble will use 10-40 kbit/s outgoing, and the same incoming for each user.
So if there are 10 other users on the server with you, your incoming
bandwidth requirement will be 100-400 kbit/s.

To keep the jitter-buffers happy and always perfectly tuned, Mumble
transmits data contignously. If you have VAD or Push-To-Talk enabled, it
transmits frames of silence when there's no talking; it does not stop 
transmitting. 
The only exception to this is if you mute yourself. Be aware that after
unmuting there will be about a 400ms delay before the jitter buffers on 
the recieving ends are aligned again.

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