As a radio host for Canada’s 91.5 The Beat, Kat Callaghan struggled to keep her role as TikTok’s new text-to-speech voice under wraps. When her voice appeared on the app last year, listeners started sending her countless TikToks pointing out the similarities. “Have you heard this? It kind of sounds like you,” she recalls listeners saying.
But it wasn’t until last month that Callaghan confirmed what her listeners had long suspected: “Finally, I can tell you guys,” she said in a TikTok video, the first she’d ever posted. “It is...