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Table 3 PESQ values for the W β-SA estimator with different schemes of parameter α, case of car 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 1.41 1.54 1.71 2.01 2.32
Choice of α = 0 1.57 1.76 2.06 2.40 2.75
Choice of α = 0.22 1.58 1.78 2.11 2.46 2.77
Original choice of α 1.60 1.81 2.15 2.50 2.79
Proposed choice of α 1.66 1.88 2.20 2.54 2.84