Fig. 4From: Quadratic approach for single-channel noise reductionAverage subband SNR gains of TIMIT speech signals for iSNR=0 dB and for N=3 and N=7, with white Gaussian noise. We set Ď„y=2 for the quadratic filter \(\widetilde {\mathbf {h}}_{\text {max}}(k,n)\)Back to article page