Table 3 Influence of the number of differential coefficients with the HLDA transformation on phone recognition rates on the Test part of the original FPSD database (without vector conversion)
36 monophone HMMs with 16 Gaussians per state \(+\) Bigram | Accuracy (%) | Correct (%) |
|---|---|---|
Exp 1 : \(39 \ MFCC\) coefficients | 61.89 | 67.62 |
Exp 2 : \(52 \ MFCC\) coefficients | 58.49 | 65.29 |
Exp 3 : \(HLDA \ (52\rightarrow 39)\) | 63.59 | 69.43 |