Details are valid for the standard Mumble client on Linux, version 1.3.4, English language.

• Connect to server mumble.c3lingo.org, standard port (64738).

• Register with the server (Self → Register). You will see a yellow ✓ next to your name (right margin of the window). Contact the admins in the #lingo Rocket.Chat channel or via email, give them your mumble username and ask to be added to the “team” group. This will give you the right to speak in the channels we use as virtual translation booths. Members of the public may join these channels to listen.

• Initial audio setup: Connect your audio devices and select them in Configure → Settings, tabs Audio Input and Audio Output. Execute the Audio Wizard to let the software find the levels for Voice Activation mode. Go back to Configure → Settings, Audio Input tab and make sure the compression quality is not too low (perhaps 90 kb/s).

• Define shortcuts for the most important functions.

If you are happy with editing INI files manually, you can use the following snippet for mumble.conf (on Linux, this file is in $HOME/.config/Mumble).

This should probably replace the [shortcuts] section you may already have in mumble.conf unless you are sure what you’re doing.

[shortcuts]
1\data=@Invalid()
1\index=1
1\keys=@Variant(\0\0\0\t\0\0\0\x1\0\0\0\x2\0\0\0N)
1\suppress=false
2\data=0
2\index=3
2\keys=105, 108, 62
2\suppress=false
3\data=@Invalid()
3\index=6
3\keys=105, 62
3\suppress=false
4\data=@Invalid()
4\index=15
4\keys=108, 9
4\suppress=false
5\data=@Invalid()
5\index=16
5\keys=105, 9
5\suppress=false
6\data=@Invalid()
6\index=17
6\keys=62, 9
6\suppress=false
7\data=s!
7\index=18
7\keys=105, 127
7\suppress=false
8\data=s?
8\index=18
8\keys=62, 127
8\suppress=false
size=8

This will give you the following shortcuts:

You will probably want to reduce the number of events that trigger an audio notification under Configure → Settings, Messages tab. Inspect the checkboxes in the Soundfile column and consider reducing the number of selected checkboxes.

If you want, you can find a sound file you like and set it in the last two entries, Text message and Private text message. Double-click the value in the “Path” column and navigate to the file. This sound file is rather quiet but unusual enough to be noticed if you remember what it sounds like.

234524_4019029-lq.ogg

If you prefer editing INI files manually to mouse clicking, this could work in your mumble.conf file (provided you change “sebalis” to your own user name and you´have stored the audio file in the Mumble config folder):

[messagesounds]
20\logsound=/home/sebalis/.config/Mumble/234524_4019029-lq.ogg
29\logsound=/home/sebalis/.config/Mumble/234524_4019029-lq.ogg
size=29

The desktop Mumble client has a noise suppression effect that is applied to the sound you send. If you're translating remotely over Mumble, or just meeting with the team, you may want to enable this.

The settings are at Configure → Settings → Audio Input → Audio Processing. Depending on your microphone, audio setup and ambient noise, different settings may work better.

You can also try the auto-configuration assistant, in Configure → Audio Wizard. This will take you to a few steps to configure your optimal audio settings.