9. The method of claim 7 , wherein transcribing the plurality of utterances comprises applying at least one transcription model to each of the plurality of utterances and wherein the at least one conformity ratio is indicative of a conformity between the audio data and the at least one transcription model.
10. The method of claim 9 , further comprising: selecting a new at least one transcription model based upon the at least one conformity ratio; and transcribing the plurality of utterances by applying the new at least one transcription model to each of the plurality of utterances.