Optimal beamformer design in spherical sector harmonics domain

Kumari, Deepika; Kumar, Lalan

doi:10.1016/j.apacoust.2022.109070

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2023

2024

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“…Numerous approaches employing SSS techniques have been proposed for this purpose. While beamforming methods have been employed in the spherical harmonics (SH) domain [3][4][5][6], they require prior knowledge or estimation of the direction of arrival (DOA) for each source and may be susceptible to low-frequency noise with small array radii. In [7], In- proach employs diagonalization over the full-rank signal model in the SH domain to represent the interior sound field, thereby reducing the computational cost needed for MNMF.…”

Section: Introductionmentioning

confidence: 99%