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Table 4 The average STOI score (%) improvement of the proposed noise PSD estimator against the competing methods, when incorporated in the MMSE-based speech enhancement systems

From: A noise PSD estimation algorithm using derivative-based high-pass filter in non-stationary noise conditions

 

Speech enhancement methods

Noise PSD estimators

SRWF

MMSE-STSA

MMSE-LSA

Proposed Vs.

NPP-DNN [27]

2.11

0.78

1.12

IMMSE [25]

8.12

1.60

2.01

U-MMSE [22]

9.11

2.50

2.94

MMSE-LC [21]

10.60

4.49

5.19

MCRA [18]

11.93

6.32

7.61

MS [17]

12.41

6.82

8.22