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Table 5 Word accuracy (WA) of ASR tests for RASTA-PLP features, true uncertainties.

From: Independent Component Analysis and Time-Frequency Masking for Speech Recognition in Multitalker Conditions

 

Phase1

Phase2

Amplitude

IB

IBPE

No. of speakers

2

3

2

3

2

3

2

3

2

3

no ICA

31.4

6.3

31.4

6.3

31.4

6.3

31.4

6.3

31.4

6.3

only ICA

58.0

48.0

63.1

52.7

63.1

52.7

63.1

52.7

63.1

52.7

ICA + Mask

15.1

16.7

16.4

17.1

52.1

51.9

02.2

00.9

38.9

30.7

ICA + Mask + UD

82.7

76.1

88.0

83.7

81.2

74.0

91.5

84.5

86.2

75.3

ICA + Mask + MI

86.7

80.6

89.8

86.3

85.6

79.0

92.6

88.3

89.5

82.9