Voice actor Jacek Rozenek plays Geralt of Rivia in the Polish version of The Witcher 3, but in 2019 he suffered a stroke that made it hard to speak and changed his voice. CD Projekt Red faced a choice for the upcoming Songs of the Past expansion: swap actors, or turn to AI to help match Rozenek’s new performance with the one he did for the 2015 release. The studio chose the latter.
“I can tell you, as a person working with voice actors over all the regions in the world, this is a big concern,” localization producer Mikołaj Szwed told Game File in a new interview about the process. He added, “I do think this is one of those ways where you can use AI ethically, with consent and also to do something good.”
Game File reports that CDPR turned to Ukrainian AI voice cloning firm Respeecher for help, the same company it worked with when one of the voice actors for Cyberpunk 2077 died between the release of the original game release and that of the Phantom Liberty expansion. It trains an algorithm on someone’s existing voice work in order to match new performances to the tone and style of the originals. The actors, or their estates, have to consent.
“The point is that this voice should be as close as possible to my voice from 12 years ago,” Rozenek told Game File . ” He continued, “When it comes to the dynamics of the voice, when it comes to the acting aspects, I feel very good, really very good,” he said.
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