Quoting: RFSharpeMy grandsons played many hours of this game on Sunday. During the character creation process the player is able to utilize "Smart Customization Voice." A basic explanation is:

"Smart Customization’s voice mode is designed to map some traits of your real‑world speech onto your character."

You do this by reading the provided sentence into your microphone. Using this, the game generates a “voice preset” attached to your character. If you would like to get a better idea of how this works, this article gives a much more detailed explanation:

https://allthings.how/where-winds-meet-voice-customization-lets-your-character-sound-and-look-like-you/ [External Link]

I am not an expert, but this process smacks of AI...