The Jamulus software enables musicians to perform real-time jam sessions over the internet. There is a Jamulus server which collects the audio data from each Jamulus client, mixes the audio data and sends the mix back to each client.

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README.md

Jamulus - Internet Jam Session Software

The Jamulus software enables musicians to perform real-time jam sessions over the internet. There is one server running the Jamulus server software which collects the audio data from each Jamulus client, mixes the audio data and sends the mix back to each client.

Jamulus is Open Source software (GPL, GNU General Public License) and runs under Windows (ASIO), MacOS (Core Audio) and Linux (Jack). It is based on the Qt framework and uses the OPUS audio codec.

The project is hosted at Sourceforge.net.

Required Hardware Setup

The required minimum internet connection speed is 200 kbps (0.2Mbps) for the up and down-stream. The ping time (i.e. round trip delay) from your computer to the server should not exceed 40 ms average.

For the Jamulus software to run stable it is recommended to use a PC with at least 1.5 GHz CPU frequency.

On a Windows operating system it is recommended to use a sound card with a native ASIO driver. This ensures to get the lowest possible latencies.

Download and Installation

Download the latest version for Windows, Macintosh or Linux here.

Windows users: The Jamulus client software requires an ASIO sound card driver to be available in the system. If your sound card does not have native ASIO support, you can try out this alternative

Help

Official documentation for Jamulus is on the Github wiki

Compilation and Development

See the compile Instructions

For setting up and running a server, see this guide

Acknowledgments

This code contains open source code from different sources. The developer(s) want to thank the developer of this code for making their efforts available under open source:

Qt cross-platform application framework: http://www.qt.io
Opus Interactive Audio Codec: http://www.opus-codec.org
Audio reverberation code: by Perry R. Cook and Gary P. Scavone, 1995 - 2004 (taken from "The Synthesis ToolKit in C++ (STK)"): http://ccrma.stanford.edu/software/stk
Some pixmaps are from the Open Clip Art Library (OCAL): http://openclipart.org
Country flag icons from Mark James: http://www.famfamfam.com

We would also like to acknowledge the contributors listed in the Github Contributors list.