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Table 2 Feasibility of the first-, second-, and third-order DMAs for different number of microphones, where “ ” represents feasible and blank represents infeasible

From: Steerable differential beamformers with planar microphone arrays

  First-order Second-order Third-order
  LDMA LSDMA CSDMA LDMA LSDMA CSDMA LDMA LSDMA CSDMA
M=2         
M=3      
M=4     
M=5   
M=6  
M≥7