TABLE III.

Average STOI scores for different STFT magnitude reconstruction approaches using GMM, DNN, or ideal masks. Boldface indicates the approach that produced the best result for a condition.

	GMM		DNN		Ideal
	−5 dB	0 dB	−5 dB	0 dB	−5 dB	0 dB
GMM-UBM Reconstruction	0.61	0.72	0.64	0.73	0.79	0.85
Sparse Reconstruction	0.74	0.80	0.70	0.81	0.85	0.90
ERM/VQ	0.71	0.73	0.68	0.75	0.74	0.80
ERM/NMF	0.78	0.82	0.68	0.79	0.82	0.88
ERM/Sparse	0.77	0.82	0.67	0.78	0.79	0.86