Speaker Anonymization: Privacy Beyond Changing a Voice
Speech carries more than words. It can reveal speaker identity, accent, age cues, emotion, health information, recording environment, and conversational context. Speaker anonymization transforms a recording to reduce identity disclosure while retaining the information required for an authorised use. That goal is narrower than making audio “anonymous”. A transformed utterance may still identify someone through names, places, background sounds, linguistic habits, or linkage across recordings. Even the voice itself may remain linkable under a stronger attacker than the one used during development. ...