Table 11 Best-fitted multivariate distribution based on the energy test for DCT coefficients of five phoneme classes in different frame lengths
From: Speech signal modeling using multivariate distributions
Phoneme class | Frame length | |||||||
|---|---|---|---|---|---|---|---|---|
20 ms | 30 ms | 100 ms | 500 ms | |||||
Semivowel/glide | MLD | MGLD, p = 0.75 | MLD | MGLD, p = 0.75 | MGLD, p = 0.75 | MLD | MGLD, p = 0.75 | MLD |
0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | |
Vowel | MLD | MGLD, p = 0.75 | MLD | MGLD, p = 0.75 | MGLD, p = 0.75 | MLD | MGLD, p = 0.75 | MLD |
0.00 | 0.01 | 0.00 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | |
Nasal | MGLD, p = 0.75 | MGLD, p = 0.50 | MGLD, p = 0.75 | MLD | MGLD, p = 0.75 | MGLD, p = 0.50 | MGD | MGLD, p = 0.50 |
0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.02 | |
Fricative | MGLD, p = 0.75 | MLD | MGLD, p = 0.75 | MLD | MGLD, p = 0.50 | MGLD, p = 0.75 | MGLD, p = 0.75 | MGLD, p = 0.50 |
0.01 | 0.01 | 0.00 | 0.01 | 0.00 | 0.01 | 0.00 | 0.00 | |
Stop | MLD | CLD | MLD | CLD | MLD | MGLD, p = 0.75 | MGLD, p = 0.75 | MGLD, p = 0.50 |
0.05 | 0.10 | 0.04 | 0.08 | 0.01 | 0.01 | 0.00 | 0.00 | |