Rogue Amoeba has introduced Loopback for Mac OS X is a tool for enabling audio routing between applications and audio devices on your Mac. In just a few clicks, you can pass audio directly between apps.
Loopback (http://rogueamoeba.com/loopback) is designed for anyone working with audio on the Mac, from podcasters to gamers, Internet radio hosts to regular folks chatting via Skype. It requires Mac OS X 10.9 or higher, with a free fully-functional demo version available on the Rogue Amoeba site.
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