8. The method of claim 1 , wherein the detecting comprises detecting an in-grammar false reject (IGFR) type error if the system fails to recognize the user utterance in the grammar and the grammar includes the transcribed version.
8. The method of claim 1 , wherein the detecting comprises detecting an in-grammar false reject (IGFR) type error if the system fails to recognize the user utterance in the grammar and the grammar includes the transcribed version. 10. The method of claim 8 , further comprising: determining that the grammar includes insufficient acoustic models for the user utterance if the IGFR type error is detected; and adding to the grammar at least one additional acoustic model for the user utterance.