How do Siri and Alexa sound so human? A computer engineer explains

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com . How is a text-to-speech voice made? – Sarah G٫ age 11٫ Seguin٫ Texas When you talk to computerized assistants like Siri or Alexa , they reply in voices that sound very human. But how do computers, smartphones and apps actually talk like a person? They use a technology called text-to-speech . When you speak, your lungs push air up your windpipe a

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ethics.ai (12 August 2026), “How do Siri and Alexa sound so human? A computer engineer explains,” evidence record 18871, https://ethics.ai/record/18871 (originally published by Fast Company Tech).

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