OpenAL Xtra
From Director Online Wiki
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Overview
OpenAL Xtra is a free, open source scripting Xtra for Macromedia Director that extends Lingo with the basic functions of OpenAL, a cross-platform 3D audio API. With the OpenAL Xtra, a Director developer can arrange sounds around a virtual listener in a simulated, three-dimensional space.
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Project Site
The OpenAL Xtra is hosted by SourceForge. http://sourceforge.net/projects/openalxtra/
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