Table 2 Evolution of CER and acoustic-model size according to the number of Gaussian components per state (context-free models). The acoustic vectors are composed of 39 coefficients (12 PLP plus energy with 
and 
). 11 136 tests performed on the corpus VODIS (voice command/noisy).
and 
). 11 136 tests performed on the corpus VODIS (voice command/noisy).From: Compact Acoustic Models for Embedded Speech Recognition
No. of gauss/state | No. of parameters | CER |
|---|---|---|
2 | 17 064 | 5,48% |
4 | 34 128 | 3,40% |
128 | 1 092 096 | 1,80% |