Microsoft DirectX 9.0 SDK Update (October 2004)

Perception of Sound Positions

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Note: This documentation is preliminary and is subject to change.

In the real world, the perception of a sound's position in space is influenced by several factors. Not all of these factors are acoustical; one of the most important is sight. Clues from the sounds themselves include the following:

Microsoft® DirectSound® creates virtual 3-D effects on two speakers or headphones, or on multichannel systems with Microsoft Windows® Driver Model (WDM) drivers if the user has chosen a surround sound speaker configuration in Control Panel. For more information, see BufferDescription.


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