1. A method of automated transcription model adaptation, the method comprising: obtaining audio data from a plurality of audio files; transcribing the audio data to produce at least one audio file transcription for each of the audio files, each audio file transcription represents a plurality of transcription alternatives for each audio file; applying speech analytics to each audio file transcription; selecting a best transcription from the plurality of transcription alternatives for each audio file; calculating statistics from the selected best transcription of each audio file; and creating an adapted model from the calculated statistics.