Digital Sound & Music: Concepts, Applications, & Science, Chapter 1, last updated 6/25/2013
Figure 1.54 Ardour, free digital audio processing software for the Linux or OS X operating systems
Ardour works in conjunction with Jack, an audio connection kit, and the GUI for Jack,
qjackctl. A screenshot of the Jack interface is in Figure 1.55. On the Linux platform, Jack can
talk to the sound card through ALSA, which stands for Advanced Linux Sound Architecture.
Figure 1.55 Jack Audio Connection Kit
If you want to work at a lower level of abstraction, you can also use functions of one of
the Linux basic sound libraries. Two libraries in use at the time of the writing of this chapter are
ALSA and OSS, both illustrated in Chapter 2 examples.