Table 2 WER obtained using full batch processing for one-channel, two-channel, and eight-channel tasks

One-channel task

MLIFD

8

8.8

10.9

15.9

11.1

17.6

12

27

28

27.5

RCGFB

8.2

9.4

9.8

15

10.8

16.6

11.6

30.4

31.5

30.9

MMFB_l

8.7

9.9

10.3

17.2

11.3

18.7

12.6

28.7

28.7

28.6

MMFB_p

8.5

9.8

11.1

17.2

11.8

19.2

12.9

30.2

31.9

31

RMFB

8.4

9.1

9.7

15

10.8

17

11.6

31.8

31.3

31.5

ITD-MFB

7.6

8.8

10.4

14.5

9.8

16

11.1

31.9

33

32.4

Baseline

7.6

8.9

11.5

18.1

11.2

18.8

12.6

41

38

39.5

ROVER-all

6.7

7.3

8.4

11.8

8.7

12.7

9.3

23.8

24.8

24.3

Two-channel task

MLIFD

8.2

9

11.1

16.5

11.5

18.4

12.5

27.3

27.5

27.4

RCGFB

8.4

9.5

10.1

15.2

11.1

17.1

11.9

31.4

32.4

31.9

MMFB_l

8.8

10.4

10.5

17.9

11.8

19.5

13.2

29.5

28.8

29.1

MMFB_p

8.9

10

11

18.1

12.5

20.3

13.5

31.8

32.9

32.3

RMFB

8.4

9.1

10

15.4

10.8

17.3

11.9

32.6

31

31.8

ITD-MFB

7.8

9

10.5

15.1

10.4

16.1

11.5

33

32.6

31

Baseline

7.8

9.2

11.6

18.3

11.7

19.3

13

42.4

33

40.4

ROVER-all

6.6

7.4

8.1

11.2

8.5

12.2

9

22.6

24.2

23.4

Eight-channel task

MLIFD

7.5

8.3

10

14.1

10.4

15.9

11

23.8

24.4

24.1

RCGFB

8.1

9

9.1

14

10.3

15.3

11

27.9

28.7

28.3

MMFB_l

8.5

9.5

9.5

16.1

10.8

17.4

12

26

26.2

26.1

MMFB_p

8.4

9.2

10.2

16.1

11.4

18

12.2

27.5

28.7

28.1

RMFB

8.1

8.7

9.1

13.6

10

14.8

10.7

29.4

27.7

28.5

ITD-MFB

7.2

8.1

9.7

13.1

9.5

14.8

10.4

29.8

30.1

30

Baseline

7.6

8.4

10.6

17

10.6

17.9

12

37.8

36.8

37.3

ROVER-all

6.7

7.3

8

11.1

8.1

12.1

8.9

21.4

22

21.7