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3D audio
(redirected from 3-D positional sound)

   Also found in: Wikipedia 0.01 sec.
3D audio
Refers to a variety of techniques that simulate surround sound from a single pair of stereo speakers (left and right channels). Also called "virtual surround sound" and employed in sound cards to enhance gaming, 3D audio uses signal processing techniques that simulate sounds coming from all directions. See OpenAL and Dolby Digital.


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Meanwhile, various online gaming sites have been giving "Delta Force" rave reviews that exalt its unique multiplayer aspects, the 3-D positional sound and unrivaled expansive outdoor environments.
The device supports Microsoft's DirectSound (2D and 3D) and Aureal's HRTF (Head Related Transfer Function) 3-D positional sound standards as well as the AC'97 audio system specification.
 
 
 
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