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Definition: OpenAL

(OPEN Audio Library) A 3D audio programming interface that is available for Windows, Mac, Linux, Unix and game consoles. OpenAL is an open source alternative to Microsoft's DirectSound interface. OpenAL supports Creative Labs' environmental extensions (EAX). For more information, visit www.openal.com. See EAX. See also OpenGL.

Windows Sound APIs
This is the relationship between OpenAL and the sound programming interfaces (APIs) from Microsoft. The MMSystem was developed for Windows 3.x.