Abstract:The creation of a diffuse sound event from a single audio signal is an important signal processing task, for instance in spatial audio reproduction or audio coding. Current algorithms based on decorrelation filters or frequency-dependent panning typically cause artifacts due to transients or time-domain aliasing. In this paper, we propose an optimizationbased approach to diffusion that creates a set of filters to approximate a desired distribution of frequency-dependent propagation directions to create the per… Show more
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