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Digital Waveguide Networks for Room Response Modeling and Synthesis

Digital waveguide networks (DWN) are known as a methodology to simulate spatially distributed systems, such as reverberators (room simulation) and resonators of musical instruments. This paper is a study on the application of DWNs to simulate acoustic spaces for room rendering, including binaural auralization. The methods discussed combine the principles of digital waveguide meshes, image source models, reverberation algorithms, and HRTF-based rendering. Examples are given on synthesizing binaural room responses for simple room geometries, and the possibilities of fitting the models to given real room responses is discussed. System performance is analyzed from the point of view of real-time virtual acoustics.

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