Abstract
The challenges facing successful multimedia presentation depend largely on the expectations of the designer and end user for a given application. Perceptual limitations for distance, elevation, and azimuth sound source simulation differ significantly between headphone and cross-talk cancellation loudspeaker listening and therefore must be considered. Simulation of an environmental context is desirable but the quality depends on processing resources and control over interaction with the host acoustical environment. While techniques such as data reduction of head-related transfer functions have been used widely to improve simulation fidelity, another approach involves determining thresholds for environmental acoustic events. Psychoacoustic studies relevant to this approach are reviewed in consideration of multimedia applications. [Work supported by San Jose State University–NASA Ames Research Center Cooperative Grant NC 2-327.]
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