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Table 5 Results of hearing tests obtained for the elderly listeners with normal hearing resolution threshold (TCT 50  < 3.99 vowels/s)

From: Methods of Improving Speech Intelligibility for Listeners with Hearing Resolution Deficit

No

Age

Mean audiometric hearing thresholds [dB HL]

TCT50[vowels/s]

WER [%] ROSmean3

WER [%] ROSmean4

1

83

56.87

3.22

22

28

2

87

68.75

3.08

34

28

3

85

63.75

3.50

48

54

4

91

70

2.93

56

78

5(HA)

89

73.75

3.73

22

66

6

86

55.62

3.23

8

54

average value

86.83

64.79

3.28

31.67

51.33

standard deviation

2.86

7.36

0.29

17.95

20.15