"sndio is the software layer of the OpenBSD operating system that manages the use of sound cards and MIDI ports. It provides an optional sound server and a documented application programming interface to access either the server or the audio and MIDI hardware in a uniform way.sndio is designed to work for desktop applications, but pays special attention to synchronization mechanisms and reliability required by music applications."@en . . . . . . . "Active" . "sndio"@en .