 |
Abstract: A Sound Spatialization Resource Management Framework
Jens Herder. A Sound Spatialization Resource Management Framework, Dr.Eng. Thesis, University of Tsukuba, July, 1999.
In a virtual reality environment, users are immersed in a scene with
objects which might produce sound. The responsibility of a VR
environment is to present these objects, but a practical system has only
limited resources, including spatialization channels (mixels),
MIDI/audio channels, and processing power. A sound
spatialization resource manager, introduced in this thesis,
controls sound resources and optimizes fidelity
(presence) under given conditions, using a priority scheme based
on psychoacoustics. Objects which are
spatially close together can be coalesced by a novel
clustering algorithm, which considers listener localization
errors. Application programmers and VR scene designers are
freed from the burden of assigning mixels and predicting sound
source locations. The framework includes an abstract interface
for sound spatialization backends, an API for the VR
environments, and multimedia authoring tools.
Keywords:
sound spatialization, resource management, audio rendering, and human perception
Full paper: [Postscript gzip][PDF gzip] [Images+VRML]
[Video] [Audio] [Slides] [Japanese]
|
|
