The Advanced Linux Sound Architecture
The Advanced Linux Sound Architecture (ALSA) provides audio and MIDI functionality to the Linux operating system. ALSA is released under the GPL (GNU General Public license) and the LGPL (GNU Lesser General Public License). We need users to use, test and provide feedback, programmers to work on low level drivers, writers to extend and improve our documentation, and application developers who choose to use ALSA as the basis for their programs.