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EURASIP Journal on Audio, Speech, and Music Processing

Table 7 Performance comparison in terms of PESQ scores in the presence of car noise

From: A semisoft thresholding method based on Teager energy operation on wavelet packet coefficients for enhancing noisy speech

SNR (dB)

MMSE

Spectral subtraction

Wiener filtering

Proposed method

15

3

2.99

2.7

3.06

10

2.72

2.6

2.5

2.82

5

2.6

2.49

2.24

2.68

0

2.2

2.2

1.86

2.31

-5

1.9

1.8

1.6

2.19

-10

1.6

1

1.32

2.1

-15

1.42

1.39

1.26

1.94

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