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.
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. 13. The method of claim 11 , wherein step (e) includes determining the input speech to be in-vocabulary, if the top result of the first N-best list is also present within the top results of the second N-best list, but out-of-vocabulary if the top result of the first N-best list is not within the top results of the second N-best list.