Mumble

Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming. Mumble uses Qt, the Cross-Platform Rich Client Development Framework. Qt is used for cross-platform GUI, network and database functions. Mumble's superior audio quality comes in large parts from Speex, a high quality voice codec and DSP library for echo cancellation and denoising. Mumble has been analyzed with Klocwork source code analysis, the most accurate and comprehensive tool for finding critical programming errors and security vulnerabilities. Murmur uses ZeroC Ice as a RPC framework, enabling flexible remote control.
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