13. The non-transient computer readable medium of claim 12 , wherein execution of the computer readably code by the processor further causes the processor to: identify a probability value of a most probable word arc in each word bin; and calculate a joint probability for each ε-bin and a preceding word bin; wherein the conformity ratio is an average of the calculated joint probabilities for the confusion network.
14. The non-transient computer readable medium of claim 13 , wherein at least one transcription model is applied to the plurality of utterances to transcribe 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.