Table 6 The effect of cutoffs on the size and perplexity of a back-off trigram language model
From: A large vocabulary continuous speech recognition system for Persian language
Cutoffs (bigram) | Cutoffs (trigram) | Perplexity | Size (MB) |
|---|---|---|---|
0 | 0 | 134.54 | 36 |
0 | 1 | 134.76 | 20 |
0 | 2 | 135.82 | 17 |
1 | 1 | 143.18 | 10 |
1 | 2 | 143.26 | 7.8 |