1. A method of diarization of audio files, the method comprising: receiving speaker metadata associated with each of a plurality of audio files; identifying a set of audio files of the plurality belonging to a specific speaker based upon the received speaker metadata; selecting a subset of the audio files of the identified set of audio files; computing an acoustic voiceprint for the specific speaker from the selected subset of audio files; and applying the acoustic voiceprint to a new audio file to identify the specific speaker in diarization of the new audio file.