Alsa-lib
From the ALSA wiki
alsa-lib (occasionally a.k.a. libasound) is a userspace library that provides a level of abstraction over the /dev interfaces provided by the kernel modules. For a more detailed overview of ALSA and how alsa-lib fits into the picture, see AlsaTips.
Homegrown Wiki documentation
HowTo Asynchronous Playback - A detailed guide on how to setup and play back audio asynchronously
HowTo access a mixer control - A guide to using the controls and hcontrols apis
External documentation
- http://www.alsa-project.org/alsa-doc/alsa-lib/ - API reference
- http://www.suse.de/~mana/alsa090_howto.html - An HowTo/Tutorial on alsa-lib for ALSA 0.9 written by Dr Matthias Nagorni
- http://equalarea.com/paul/alsa-audio.html - Another HowTo on using the API by Paul Davis
alsa-lib PCM plugins
http://www.alsa-project.org/alsa-doc/alsa-lib/pcm_plugins.html - Reference
Wiki pages for certain plugins:
- dmix - realtime mixing of output audio streams
- dsnoop - sharing a capture device among several apps
- asym - combine halfduplex devices into a full duplex one
- ladspa - use LADSPA (FX) plugins for your alsa setup
- dshare - subdivide a multichannel device into independent mono or stereo devices
- .asoundrc is the place to configure all this.
