Audio Signal Processing for Binaural Reproduction with Improved Spatial Perception (2020)
Abstract / truncated to 115 words
Binaural technology aims to reproduce three-dimensional auditory scenes with a high level of realism by providing the auditory display with spatial hearing information. This technology has various applications in virtual acoustics, architectural acoustics, telecommunication and auditory science. One key element in binaural technology is the actual binaural signals, produced by filtering a sound-field with free-field head related transfer functions (HRTFs). With the increased popularity of spherical microphone arrays for sound-field recording, methods have been developed for rendering binaural signals from these recordings. The use of spherical arrays naturally leads to processing methods that are formulated in the spherical harmonics (SH) domain. For accurate SH representation, high-order functions, of both the sound-field and the HRTF, are ... toggle 11 keywords3d audio – spatial audio – spatial hearing – spatial sound perception – binaural reproduction – binaural signals – virtual sound – head-related transfer function – spherical harmonics – spherical microphone arrays – ambisonics
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