A complex sound system may consist of multiple sound sources, multiple filters, and multiple outputs. If they have to be set up fresh each time they are used, then there can be errors, wasted time, and so on. Session management attempts to solve these problems.
Resources
Here are some resources:
“A brief survey of Linux audio session managers” by Dave Phillips ( http://lwn.net/Articles/533594/ )
“Session Management Overview” ( http://wiki.linuxaudio.org/wiki/session_management ) contains links to many resources
JACK-AUDIO-CONNECTION-KIT, Session API for clients ( http://jackaudio.org/files/docs/html/group__SessionClientFunctions.html ...
