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Mumble is an open source, cross platform, low-latency, high quality voice over IP (VoIP) client. Mumble uses a client/server architecture and is primarily used by gamers, but can be used for any VoIP purpose.



Many laptops have built-in USB microphones (almost always paired with USB web cameras). The kernel needs the SND_USB_AUDIO option enabled to support USB audio (input) devices.

KERNEL Enable support for USB microphones (SND_USB_AUDIO)
Device Drivers -->
   Sound card support -->
      Advanced Linux Sound Architecture -->
         USB sound devices -->
            <*> USB Audio/MIDI driver

USE flags

USE flags for media-sound/mumble Mumble is an open source, low-latency, high quality voice chat software

g15 Enable support for the Logitech G15 LCD (and compatible devices).
oss Add support for OSS (Open Sound System)
portaudio Add support for the crossplatform portaudio audio API
rnnoise Enable alternative noise suppression option based on RNNoise.
speech Enable text-to-speech support in Mumble.


Install Mumble:

root #emerge --ask media-sound/mumble



Uninstall Mumble by issuing:

root #emerge --ask --depclean --verbose media-sound/mumble

See also

  • Murmur — the server component to Mumble built on the Qt framework.
  • UMurmur — a minimalistic server for Mumble designed to run on embedded systems (DD-WRT or OpenWRT) or older PC hardware.
  • Skype — a proprietary application owned by Microsoft for instant messaging, VoIP calls, and video conversations.