21-year-old whose speech was impaired by tumor has voice replicated through AI smartphone app

The voice Alexis "Lexi" Bogan had before last summer was exuberant.

She loved to belt out Taylor Swift and Zach Bryan ballads in the car. She laughed all the time — even while corralling misbehaving preschoolers or debating politics with friends over a backyard fire pit. In high school, she was a soprano in the chorus.

Then that voice was gone.

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Doctors in August removed a life-threatening tumor lodged near the back of her brain.