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Height Perception in Ambisonic Based Binaural Decoding

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This paper presents an investigation into the perception of height in Ambisonic decoding schemes for binaural reproduction. We compare the spatial resolution of first, third, and fifth order Ambisonic decoders to that of real-world monophonic sources presented in the vertical plane. Spatial preservation of the spectral cues required for rendering sources with height is investigated and cross-referenced to binaural models of the rendered systems. The results presented address the applicability of higher order Ambisonics to the rendering of sound source elevation given the high frequency distortion of pinnae cues.

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AES - Audio Engineering Society