-> l'openGL, c une Graphic Library (pas besoin de traduction je pense ), c donc une API au même titre que DirectX
->l'openAL, c Audio Library
et en cherchant sous GOOGLE
http://www.openal.org/
"OpenAL, the Open Audio Library, is a joint effort to create an open, vendor-neutral, cross-platform API for interactive, primarily spatialized audio. OpenAL's primary audience are application developers and desktop users that rely on portable standards like OpenGL, for games and other multimedia applications. OpenAL is already supported by a number of hardware vendors and developers. "
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::Mind is a terrible thing to taste::