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Figure 2 | EURASIP Journal on Audio, Speech, and Music Processing

Figure 2

From: An improved adaptive gain equalizer for noise reduction with low speech distortion

Figure 2

In plot a , the subband gains g1,k( n ) for the SBA and the proposed solution is shown. In plot b, the noisy speech level estimate A k (n) (solid) and the noise-level estimates B k (n) (dotted), corresponding to the subband gains in plot a, are shown. The signal averages A k (n) and B k (n) are calculated for a signal consisting of speech and noise in subband k = 1. In plot c, a time domain plot of the input signal x(n) is shown.

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