Table 3 Fisher scores for tone discrimination using FrFT-MFCC. Orders are set according to pitch and "formants." MP denotes the main peaks of the LPC spectrum, and Pitch + 
MP refers to the technique presented in Section 4.2. when 
, the transforms are multiplied as explained in Section 4.3 (Figure 5(b)).
MP refers to the technique presented in Section 4.2. when 
, the transforms are multiplied as explained in Section 4.3 (Figure a | i | e | o | u | Average | |
|---|---|---|---|---|---|---|
Pitch + MP | 2.46 | 4.76 | 6 | 4.77 | 6.55 | 4.91 |
Pitch + 2MP | 2.25 | 3.91 | 5.53 | 6.94 | 8.74 | 5.47 |
Pitch + 3MP | 2.27 | 4.53 | 5.67 | 6.23 | 11.2 | 5.99 |
Pitch + 5MP | 2.44 | 4.52 | 5.85 | 6.00 | 12.0 | 6.16 |
Pitch + 10MP | 2.11 | 4.21 | 6.85 | 4.13 | 12.7 | 5.99 |