Fig. 3From: Efficient multichannel acoustic echo cancellation using constrained tap selection schemes in the subband domainExemplary function f(ϕ r (k,ℓ)) and corresponding \(\psi ^{G}_{r}(k,\ell)\), plotted in sorted order of highest to lowest values, along with different criteria for modifying \(\psi ^{G}_{r}(k,\ell)\) in case M G(ℓ)>Q·K·R Back to article page