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You coukd try with golden ears, is made by Philips for their sound engineers (they say)...


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Although designed for music jams over internet, Jamulus is a handy solution for your purpose. It runs on Windows, MacOSX and Linux. From the website: 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 ...


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