Audiovisual Virtual Environments: Enabling Realtime Rendering of Early Reflections by Scene Graph Simplification
In an audiovisual virtual 3D environment the conformance of visual and auditory impression is important to provide a high level of immersion. Restrictions of processing power for the auralization (including early and late reverberation) are usually high due to the demanding visual rendering. For the audio part a trade-off between high accuracy and speeding up the rendering process has to be found, especially for real-time user interaction. We show how the rendering process of early reflections can be done in real-time by reducing the scene representation to auditory relevant elements. A suitable scene simplification algorithm and corresponding audio rendering issues are discussed.
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