James Earl Jones...on Using Archived Recordings to Recreate His Voice With A.I.

 https://variety.com/2022/artisans/news/james-earl-jones-darth-vader-retiring-star-wars-ai-1235382827/

This technology can virtually extend the voice of an actor, years or even decades after they have retired.

https://people.com/movies/james-earl-jones-steps-back-from-voicing-star-wars-darth-vader-report/

That seems to be the plan for the STAR+WARS productions.

Digital Audio Synthesis can very well indeed, simulate accurate voice reproduction for future projects.

https://www.indiewire.com/2022/09/james-earl-jones-retired-from-voicing-darth-vader-1234766322/

https://deadline.com/2022/09/james-earl-jones-star-wars-darth-vader-rights-ai-signals-retirement-1235126394/

Of course when something has happened to an actors or singers voice, the tech is there.

https://variety.com/2022/film/news/val-kilmer-top-gun-maverick-voice-artificial-intelligence-1235281512/

https://www.goodmorningamerica.com/culture/video/val-kilmers-voice-recreated-ai-79534893

https://www.tweaktown.com/news/86623/val-kilmers-voice-in-top-gun-maverick-was-entirely-ai-generated/index.html

https://fortune.com/2022/05/27/how-does-val-kilmer-speak-in-top-gun-maverick-sonantic-artificial-intelligence/

However, just like Deep Fake tech, there is always the potential for someone to mess around with things for a sinister purposes.

https://thedigitallabyrinth.blogspot.com/search?q=James+Earl+Jones

https://thedigitallabyrinth.blogspot.com/search?q=AI