Table 3.

Prediction results with different models

Models	PSTN			ITU-T P Supplement-23
	RMSE	LCC	SRCC	RMSE	LCC	SRCC
P.563 [34]	0.9659	0.2196	0.2178	0.5502	0.7703	0.7553
Quality-Net [12]	0.5510	0.7745	0.7769	0.6820	0.7374	0.7460
MOSNet [13]	0.5299	0.7937	0.7924	0.5267	0.7825	0.7728
NISQA [29]	0.5191	0.7719	0.7700	0.5793	0.8122	0.7999
ResNet-BiLSTM (Ours)	0.5127	0.8087	0.8078	0.4921	0.8118	0.7977

Best performances are indicated with bold