On the Design and Implementation of Higher Order Differential Microphones

@article{Sena2012OnTD,
  title={On the Design and Implementation of Higher Order Differential Microphones},
  author={Enzo De Sena and H{\"u}seyin Hacıhabiboğlu and Zoran Cvetkovi{\'c}},
  journal={IEEE Transactions on Audio, Speech, and Language Processing},
  year={2012},
  volume={20},
  pages={162-174}
}
A novel systematic approach to the design of directivity patterns of higher order differential microphones is proposed. The directivity patterns are obtained by optimizing a cost function which is a convex combination of a front-back energy ratio and uniformity within a frontal sector of interest. Most of the standard directivity patterns - omnidirectional, cardioid, subcardioid, hypercardioid, supercardioid - are particular solutions of this optimization problem with specific values of two… 

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