[CentOS] Linux Sound Architecture (Updated)

[Ignacio Vazquez-Abrams]

On Tue, 2008-03-11 at 11:59 -0400, Ross S. W. Walker wrote:
> I have been working a while trying to get a big picture of how Linux
> handles sound processing and after much work I have put together this
> little representation of what I have learned.
> 
> Please send me any additional comments or components that I may have
> missed.

Some corrections (PulseAudio contains an ALSA module that can redirect
audio back into PA):

>              Linux Sound Architecture
> XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
> X            Linux Sound Applications            X
> X                                                X
 X                XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 X                X  Third-Party APIs X           X
 X                X GStreamer/Phonon/ X   Sound   X
 X                X    xine-lib       X  Servers  X
 X                X      XXXXXXXXXXXX             X
 X                X      X                     ^  X
 X                X      X  esd/aRts/NAS/JACK  |  X
 X                X      X                     |  X
 X  XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX  |  X
 X  X aoss X   X OSS Compatibility API  X   X  |  X
 X  XXXXXXXX   XXXXXXXXXXXXXXXXXXXXXXXXXX   X PA  X
 X  X                                       X  |  X
 X  X                                     XXX  |  X
 X  X            alsa-lib API             X  >-/  X
 X  X                                     XXXXXXXXX
 X  X                                             X
> XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 X         Linux Kernel (ALSA driver)             X
> XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
> X                Sound Hardware                  X
> XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Yes, audio on Linux is a mess.

-- 
Ignacio Vazquez-Abrams <ivazqueznet at gmail.com>

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