Mumble (software)
Mumble is a free voice conferencing software, which is suitable for low latency and good audio quality, especially for use in parallel to online games.
Functions
The software implements a classical client-server system. The client Mumble provides a graphical interface for conversations and administrative ready, the server, which is called " Murmur ", implemented the back-end through which run the talks.
The client runs on Windows, Linux, Mac OS X and iOS. The server can be compiled and run on almost any system. The only requirement is that Qt 4.0 will also be compiled. However, a resource-saving server named uMurmur which is Qt does not presuppose and especially suitable for use on routers, but some functions are not dominated exist.
The software takes advantage of the free audio codecs Constrained -Energy Lapped Transform ( CELT ) and Opus the Xiph.Org Foundation. To ensure compatibility with older clients, Speex is provided for decoding. Mumble utilizes the skills of codecs for echo cancellation and noise reduction.
Other functions are:
- Fully encrypted traffic
- Any generation of channels can also be nested
- A complex system of rights based on groups and rules
- Echo suppression ( only when using WASAPI on Windows and PulseAudio on Linux and when both audio input and audio output using the same sound system )
- Overlay function which can in DirectX 9/10 and OpenGL display a visible interface through which users in the current channel
- User Management in an SQLite database. But there are also other database backends like MySQL possible.
- Determination of the player positions in some games, bringing Mumble can be set up so that voice signals from the direction of the respective Avatars come in the game (if the game Mumble on an appropriate plug - in has or is supported natively )
- Variable design adaptation of the Mumble client based on QSS skins.
- Access to Microsoft's Text-to- Speech API and Linux ' festival or espeak speech synthesizer to output system messages and text
- Available as an installer for Windows, as a package for various Linux distributions and as a Universal Binary for Mac OS X
- WYSIWYG editor for HTML text messages
- Support for the display of the Logitech G15 keyboard
- Automatically adjust the volume of the microphone by Automatic Gain Control
- Recording function in the file formats WAV, FLAC, Ogg Vorbis and AU. In addition to the recording of all speaking user in a file can be created for each user an own, that is to be included in multiple audio tracks.
History
In September 2005, the first alpha was released 0.1, the following beta phase was completed on 15 July 2007 with the release of version 1.0.0. On 10 December 2009, version 1.2.0 was released with many new features and improvements. The current version, 1.2.5, was released on February 5, 2014. There appear regularly new snapshot versions that fix bugs and introduce new features.