Detection and localization of multiple wideband acoustic sources based on wavefield decomposition using spherical apertures

@article{Teutsch2008DetectionAL,
  title={Detection and localization of multiple wideband acoustic sources based on wavefield decomposition using spherical apertures},
  author={Heinz Teutsch and Walter Kellermann},
  journal={2008 IEEE International Conference on Acoustics, Speech and Signal Processing},
  year={2008},
  pages={5276-5279}
}
This paper discusses novel methods for detecting and localizing multiple wideband acoustic sources using spherical apertures. In contrast to traditional methods the techniques presented here are not based on processing the output of individual microphones directly. Instead, the microphone signals are used to decompose the wave- field into its spherical harmonics which are subsequently used as a basis for novel frequency-independent multiple-source localization and detection methods. 
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