7. The method of claim 1 , further comprising the step of creating the second grammar by generating a limited set of vocabulary that includes in-vocabulary within the first grammar.
7. The method of claim 1 , further comprising the step of creating the second grammar by generating a limited set of vocabulary that includes in-vocabulary within the first grammar. 11. The method of claim 7 , wherein step (e) includes determining the input speech to be in-vocabulary, if one of the top results of the first N-best list is also present within the second N-best list, but out-of-vocabulary if none of the top results of the first N-best list is within the second N-best list.