If you uninstall Livestream Producer from your Mac system, you may still notice the ProcasterAudioRedirector in your sound settings. Follow the steps below to uninstall this plugin.
Navigate to the following within your Finder:
Device Name > Hard drive > Library > Application Support > Livestream Producer
This will open up the Script Editor. Press the play button at the top of the window. It will uninstall the AudioRedirector and restart your computer.
Check your sound settings; the ProcasterAudioRedirector should be gone.