PulseAudio [SEP] license
of the GNU Lesser General Public License. It is licensed under version 2.1 of the aforementioned license.
It was created in 2004 under the name Polypaudio but was renamed in 2006 to PulseAudio.
Software architecture.
PulseAudio acts as a sound server, where a background process accepting sound input from one or more "sources" (processes, capture devices, etc.) is created. The background process then redirects mentioned sound sources to one or more "sinks" (sound cards, remote network PulseAudio servers, or
PulseEffects
PulseEffects is a free and open-source GTK application for Unix-like systems to manage audio effects on input and output streams intended to be run over PulseAudio sound server.
It is published under the GNU GPLv3 license.
Overview.
PulseEffects needs PulseAudio to process incoming and outgoing audio streams independently and can apply various sound effects in the form of plugin made by different developer teams such as Calf Studio Gear, MDA.LV2 and GStreamer. All plugins have their own presets and can be applicable inside the suite rather