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EURASIP Journal on Audio, Speech, and Music Processing

Table 12 Fisher scores for vowel discrimination using FrFT-MFCC. Orders are set according to N times of pitch rate, and then using multiorder multiplication (Section 4.3).

From: Pitch- and Formant-Based Order Adaptation of the Fractional Fourier Transform and Its Application to Speech Recognition

 

1

2

3

4

All

10.37

15.15

19.11

12.68

14.03

9.57

13.93

14.37

10.86

12.18

7.74

11.42

9.73

8.61

9.34

4.77

8.20

6.08

5.83

6.09

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