How do I create an audio recording from my deceased friend's voice?

Question

speech synthesis

My friend died and several audio recordings from him were preserved in the telegram, I would like to generate his voice in the voice acting of his wife’s birth as realistically as possible, teach the program, so to speak, his voice, do you know how to do this?

Answer 1

https://lyrebird.ai/
but it's easier / safer / cheaper to hire a parodist if your case was IRL

Answer 2

Cut words in any audio editor.
Glue them in the correct order.
Listen.
Adjust the volume at the beginning and end of words.
Remove those combinations that do not agree on intonations.