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Table 2 Increment of SNR in the white noise environment with different frame lengths (dB)

From: Single-channel speech enhancement based on joint constrained dictionary learning

SNR (dB)

Frame length = 128

Frame length = 256

Frame length = 512

− 10

6.7389

7.8283

7.0193

− 5

4.6526

5.8115

5.2284

0

2.8977

4.0693

3.5235

5

1.9062

2.3522

2.2963

10

0.2983

1.0279

0.5137