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Table 3 Correlation coefficients between results of instrumental and listening tests in terms of overall quality

From: A summary of the REVERB challenge: state-of-the-art and remaining challenges in reverberant speech processing research

  CD FWSegSNR LLR SRMR (PESQ)
1-ch system 0.29 −0.29 0.47 −0.45 (−0.75)
2-ch system −0.97 0.96 −0.72 0.76 (0.91)
8-ch system −0.38 0.49 −0.39 0.06 (0.67)