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2.3. Using the JACK Audio Connection Kit - Fedora
https://docs.fedoraproject.org/en-US/Fedora/14/html/Musicians_Guide/sect-Musicians_Guide-Using_JACK.html
2.3. Using the JACK Audio Connection Kit. 2.3.1. Installing and Configuring JACK. Use PackageKit or KPackageKit to install the jack-audio-connection-kit and qjackctl packages. Review and approve the installation, making sure that it completes correctly. Run QjackCtl from the KMenu or the Applications menu. To start the JACK server, click Start.
JACK Audio Connection Kit - Fedora Project Wiki
https://fedoraproject.org/wiki/JACK_Audio_Connection_Kit
Audio - Fedora Project Wiki
https://fedoraproject.org/wiki/Audio
Audio processing PulseAudio & Jack - on using Fedora - Ask ...
https://ask.fedoraproject.org/t/audio-processing-pulseaudio-jack/8639
The advantages of the audio server seems to be that it can do various redirect, multi-direct, and modify operation on audio data streams. Apparently there are two predominate choices of audio server in Fedora (PulseAudio and Jack). On this machine PulseAudio is installed, but there is also one package of Jack (jack-audio-connection-kit).
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