3D audio

(redirected from positional sound)

3D audio

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, Dolby Digital and Auro-3D.
References in periodicals archive ?
With the patent-pending Razer Surround audio engine, users have the option to calibrate their personal surround sound settings through a series of listening tests to match their preferences, giving them far superior positional sound over traditional virtual solutions.
1 Dolby surround sound, creating a detailed positional sound field that lets you hear your opponents before they see you," said Chin.
Environmental Audio combines traditional 3D positional sound with room acoustics, voice pitch shifting, reverb and echo to give the most immersive sound available on a PC.
Sirocco Crossfire is the ideal complement to VideoLogic's recently introduced SonicVortex2 soundcard, based on Aureal's new Vortex2 chip, which provides stunning 3D positional sound for games using Aureal A3D 2.
The Razer Megalodon is thus able to offer a convincing and realistic positional sound stage.
A3D-compatible, 3D positional sound and an impressive software bundle.
An on-chip 512Kbytes buffer memory in the AS3532 music player IC allows single chip support of all key audio formats, compressed, lossless and high definition, polyphonic sequenced content, wavetable synthesizer, 3D positional sound, virtualizer engines and other digital audio effects.
The WaveForce 192 Digital employs Sensaura's cutting-edge 3D audio technology, delivering phenomenal 3D positional sound using just two speakers while maintaining compatibility with the popular A3D(TM) standard.
3D Positional Sound - Recently deployed in Second Life, users can hear other users in relation to where they are positioned - left, right, behind, front.
Aureal's Vortex(TM) chip and A3D positional sound cards are based on recreating all the hearing cues that humans use to perceive sounds in everyday life.
SonicStorm Pro fully implements, within hardware, Central Research Laboratories' Sensaura technique for HRTF (Head-Response Transfer Functions) 3D positional sound, bringing 3D-audio in games to a new level of realism.
0 GB Hard Drive 24X Max CD Rom 2X AGP 8MB ATI RAGE Mobility M1 3d video card 3D Positional Sound w/Wavetable sound card Internal PCI 56K Capable v.