@InProceedings{8553103,
  author = {N. Stefanakis and S. Delikaris-Manias and A. Mouchtaris},
  booktitle = {2018 26th European Signal Processing Conference (EUSIPCO)},
  title = {Acoustic Beamforming in Front of a Reflective Plane},
  year = {2018},
  pages = {26-30},
  abstract = {In this paper, we consider the problem of beamforming with a planar microphone array placed in front of a wall of the room, so that the microphone array plane is perpendicular to that of the wall. While this situation is very likely to occur in a real life problem, the reflections introduced by the adjacent wall can be the cause of a serious mismatch between the actual acoustic paths and the traditionally employed free-field propagation model. We present an adaptation from the free-field to the so-called reflection-aware propagation model, that exploits an in-situ estimation of the complex and frequency-dependent wall reflectivity. Results presented in a real environment demonstrate that the proposed approach may bring significant improvements to the beamforming process compared to the free-field propagation model, as well as compared to other reflection-aware models that have been recently proposed.},
  keywords = {acoustic signal processing;array signal processing;estimation theory;microphone arrays;acoustic beamforming;reflective plane;planar microphone array;microphone array plane;adjacent wall;free-field propagation model;reflection-aware propagation model;frequency-dependent wall reflectivity;beamforming process;reflection-aware models;acoustic paths;Array signal processing;Microphone arrays;Acoustics;Estimation;Acoustic arrays;Frequency estimation},
  doi = {10.23919/EUSIPCO.2018.8553103},
  issn = {2076-1465},
  month = {Sep.},
  url = {https://www.eurasip.org/proceedings/eusipco/eusipco2018/papers/1570439749.pdf},
}

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