https://arstechnica.com/information-technology/2024/03/openai-holds-back-wide-release-of-voice-cloning-tech-due-to-misuse-concerns/

Voice synthesis has come a long way since 1978's Speak & Spell toy, which once wowed people with its state-of-the-art ability to read words aloud using an electronic voice. Now, using deep-learning AI models, software can create not only realistic-sounding voices, but also convincingly imitate existing voices using small samples of audio.