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Table 2 PESQ values for the W β-SA estimator with different schemes of parameter α, case of babble noise

From: Bayesian STSA estimation using masking properties and generalized Gamma prior for speech enhancement

Input SNR (dB) −10 −5 0 5 10
Input noisy speech 1.31 1.56 1.83 2.14 2.43
Choice of α = 0 1.48 1.71 2.03 2.40 2.73
Choice of α = 0.22 1.51 1.82 2.14 2.42 2.77
Original choice of α 1.54 1.86 2.16 2.45 2.79
Proposed choice of α 1.58 1.91 2.23 2.51 2.82