Speaker Identification: AI for Audio & Diarization You know the problem: a meeting transcript arrives, but without speaker labels, you can't tell who said what. Speaker identification solves this — it analyzes audio and automatically labels who is speaking at any moment. Modern AI creates a unique vocal fingerprint from just a few seconds of speech. Using an external microphone instead of a laptop's built-in one can reduce identification errors by up to 40%. Identification vs. Diarization Three terms are …