Fig. 7From: Improving the conditioning of the optimization criterion in acoustic multi-channel equalization using shorter reshaping filtersPerformance of PMINT using the conventional filter length \(L^{\mathrm {t}}_{g}\) and the optimal intrusively determined reshaping filter length \(L^{\text {opt}}_{g}\) for acoustic system S1 in terms of a ΔDRR, b EDC for an NPM of −33 dB, c ΔfSNR, and d ΔCDBack to article page