Table 18 Comparison of perplexity PP N (Q) values for the developed phoneme-based N-gram language model for N=1,…,3
N | Perplexity | Value | Phoneme-based language model |
|---|---|---|---|
1 | PP 1(Q) | 22.08 | 1-gram phoneme-based language model |
2 | PP 2(Q) | 10.85 | 2-gram phoneme-based language model |
3 | PP 3(Q) | 7.77 | 3-gram phoneme-based language model |