Near-Field Source Localization and Beamforming in the Spherical Sector Harmonics Domain
Shekhar Kumar Yadav,
S R M Prasanna,
Nithin V George
Abstract:Three-dimensional arrays have the ability to localize sources anywhere
in the spatial domain without any ambiguity. Among these arrays, the
spherical microphone array (SMA) has gained widespread usage in acoustic
source localization and beamforming. However, SMAs are bulky and in many
applications with space and power constraints, it is undesirable to use
an SMA. To deal with this issue, arrays with microphones placed only in
a sector of a sphere have been developed along with various techniques
for localizing… Show more
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