Table 6 Negative emotion: the different acoustic features between depressed and healthy people under different tasks

loudness

0.35 ± 0.14

0.16 ± 0.16

28.47^***

.22

0.35 ± 0.15

0.16 ± 0.16

28.55^***

.22

0.48 ± 0.21

0.23 ± 0.22

25.57^***

.21

0.35 ± 0.14

0.17 ± 0.17

23.58^***

.19

mfcc1

−0.29 ± 3.61

0.74 ± 3.81

2.03

.02

−0.37 ± 3.22

0.7 ± 3.91

2.26

.02

1.23 ± 3.16

1.16 ± 2.83

0.00

.00

−0.23 ± 3.67

1.14 ± 3.22

4.38^*

.04

mfcc2

8.07 ± 3.17

9.07 ± 3.18

2.17

.02

8.39 ± 2.86

8.88 ± 3.27

0.66

.01

8.05 ± 3.53

10.88 ± 4.15

13.65^***

.12

8.22 ± 2.5

8.82 ± 2.63

1.26

.01

mfcc3

6.9 ± 4.83

3 ± 3.72

16.13^***

.14

7.42 ± 4.21

2.9 ± 3.47

29.55^***

.23

7.49 ± 5.7

2.65 ± 4.19

18.44^***

.16

6.68 ± 4.66

3.44 ± 3.56

11.25^***

.10

mfcc4

6.39 ± 4.13

4.16 ± 4.05

7.16^**

.07

6.0 ± 4.05

3.26 ± 4.43

9.97^**

.09

0.76 ± 6.35

−1.04 ± 6.44

0.62

.01

5.68 ± 3.87

3.52 ± 4.59

5.48^*

.05

mfcc5

3.15 ± 5.4

− 4.4 ± 6.49

35.88^***

.27

2.93 ± 5.57

− 4.37 ± 6.94

28.87^***

.23

− 2.61 ± 6.2

−11.26 ± 7.75

27.26^***

.22

3.1 ± 4.95

−3.51 ± 5.17

36.73^***

.27

mfcc6

3.85 ± 6.21

5.72 ± 6.88

0.54

.01

4.33 ± 5.68

6.0 ± 6.51

0.47

.00

0.72 ± 6.87

5.48 ± 8.15

7.73^**

.07

4.2 ± 5.39

6.26 ± 6.73

1.05

.01

mfcc7

0.02 ± 5.5

− 7.46 ± 4.46

52.57^***

.35

− 0.02 ± 4.93

−7.51 ± 4.51

58.30^***

.37

− 3.02 ± 5.37

− 11.55 ± 4.97

55.80^***

.36

−0.04 ± 5.08

−6.95 ± 3.66

54.37^***

.35

mfcc8

1.86 ± 5.25

1.72 ± 4.71

0.05

.00

1.22 ± 5.04

1.8 ± 4.62

0.30

.00

− 2.48 ± 8.24

−0.51 ± 6.01

3.09

.03

2.26 ± 4.43

1.61 ± 3.88

0.70

.01

mfcc9

0.28 ± 4.86

2.56 ± 4.08

5.09^*

.05

0.35 ± 5.33

1.96 ± 3.78

2.18

.02

− 2.81 ± 6.25

− 0.01 ± 5

6.28^*

.06

0.64 ± 4.78

2.42 ± 3.71

3.05

.03

mfcc10

1.62 ± 5.62

0.42 ± 5.03

1.55

.02

2.21 ± 5.32

0.52 ± 4.39

4.73^*

.05

− 1.1 ± 7.37

− 3.51 ± 6.39

1.86

.02

1.68 ± 5.47

1.21 ± 4.97

0.29

.00

mfcc11

−1.17 ± 4.27

−1.29 ± 3.83

0.88

.01

−0.42 ± 4.25

−0.35 ± 4

0.28

.00

−2.73 ± 5.8

−2.63 ± 5.04

0.13

.00

−0.56 ± 3.93

−0.14 ± 4

0.02

.00

mfcc12

− 2.03 ± 3.5

− 1.04 ± 3.41

1.12

.01

−1.4 ± 3.53

−1.06 ± 2.83

0.09

.00

−3.31 ± 3.96

−3.72 ± 3.47

0.75

.01

−1.98 ± 3.3

−1.26 ± 2.44

0.35

.00

lsp0

0.2 ± 0.03

0.2 ± 0.04

0.45

.00

0.2 ± 0.03

0.21 ± 0.04

0.87

.01

0.2 ± 0.03

0.2 ± 0.02

1.05

.01

0.2 ± 0.04

0.2 ± 0.03

0.09

.00

lsp1

0.63 ± 0.05

0.62 ± 0.06

0.47

.00

0.63 ± 0.05

0.61 ± 0.07

1.16

.01

0.57 ± 0.04

0.58 ± 0.04

5.51^*

.05

0.63 ± 0.05

0.61 ± 0.06

1.83

.02

lsp2

0.98 ± 0.06

0.99 ± 0.05

0.42

.00

0.98 ± 0.06

0.98 ± 0.06

0.00

.00

0.92 ± 0.07

0.95 ± 0.05

9.53^**

.09

0.99 ± 0.06

0.98 ± 0.05

0.10

.00

lsp3

1.34 ± 0.07

1.3 ± 0.09

7.05^**

.07

1.34 ± 0.06

1.3 ± 0.09

8.82^**

.08

1.28 ± 0.07

1.24 ± 0.08

2.34

.02

1.35 ± 0.06

1.3 ± 0.08

10.17^**

.09

lsp4

1.67 ± 0.07

1.61 ± 0.1

11.87^***

.11

1.68 ± 0.06

1.6 ± 0.11

15.23^***

.13

1.61 ± 0.08

1.53 ± 0.1

13.03^***

.12

1.68 ± 0.06

1.61 ± 0.09

15.65^***

.14

lsp5

2.0 ± 0.06

1.95 ± 0.11

5.91^*

.06

2.0 ± 0.05

1.95 ± 0.12

7.66^**

.07

1.94 ± 0.07

1.88 ± 0.11

6.16^*

.06

2.0 ± 0.06

1.95 ± 0.1

7.73^**

.07

lsp6

2.37 ± 0.06

2.3 ± 0.11

9.87^**

.09

2.38 ± 0.05

2.31 ± 0.11

13.83^***

.12

2.32 ± 0.07

2.23 ± 0.13

16.43^***

.14

2.38 ± 0.06

2.31 ± 0.1

13.30^***

.12

lsp7

2.72 ± 0.04

2.7 ± 0.06

7.80^**

.07

2.73 ± 0.03

2.7 ± 0.05

11.11^***

.10

2.7 ± 0.05

2.65 ± 0.07

15.37^***

.13

2.73 ± 0.04

2.7 ± 0.05

7.50^**

.07

zcr

0.03 ± 0.01

0.03 ± 0.01

7.68^**

.07

0.03 ± 0.01

0.03 ± 0.01

9.07^**

.08

0.03 ± 0.01

0.04 ± 0.01

14.70^***

.13

0.03 ± 0.01

0.03 ± 0.01

1.85

.02

vp

0.55 ± 0.07

0.52 ± 0.05

5.67^*

.05

0.54 ± 0.06

0.51 ± 0.05

7.34^**

.07

0.6 ± 0.07

0.58 ± 0.07

9.10^**

.08

0.55 ± 0.06

0.51 ± 0.05

8.00^**

.07

F0

125.48 ± 51.38

92.61 ± 41.25

8.01^**

.07

121.39 ± 45.68

87.43 ± 38.27

11.46^***

.10

147.96 ± 38.73

114.42 ± 37.68

21.22^***

.18

122.53 ± 44.32

88.1 ± 37.42

12.32^***

.11

F0env

298.82 ± 39.73

275.57 ± 47.45

6.47^*

.06

302.75 ± 36.76

277.74 ± 49.99

7.53^**

.07

271.56 ± 40.91

235.74 ± 42.61

14.26^***

.13

304.12 ± 35.79

272.66 ± 46.23

12.46^***

.11