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Table 2 SDR improvements for each method under real parking noise condition

From: Deficient-basis-complementary rank-constrained spatial covariance matrix estimation based on multivariate generalized Gaussian distribution for blind speech extraction

Methods  
ILRMA 6.0/–
BSSA 5.1/–
MWF1 6.7/–
MWF2 6.2/–
FastMNMF 2.5/2.5
ILRMA + FastMNMF 8.4/8.4
Fixed-basis RCSCME
 \(\rho =0.5\) 9.1/8.8
 \(\rho =1\) 9.0/8.8
 \(\rho =2\) 8.9/8.8
Proposed basis-optimizing RCSCME
 \(\rho =0.5\) 10.3/10.0
 \(\rho =1\) 10.4/10.0
 \(\rho =2\) 10.4/10.1
  1. Each term represents “best-iteration score [dB]/after-200-iteration score [dB].” Bold text indicates the maximum value