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How Auto-Tune Works

Tom Scott | January 18, 2026



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Pitch correction: it can make terrible singers sound decent, brilliant singer sound mediocre, or Cher sound like a robot. But how does it work? And is it possible to explain that without actually trying to understand Fourier transforms?

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Written by Tom Scott

Comments

This post currently has 29 comments.

  1. @JosephTembo-ed7nq

    January 18, 2026 at 6:22 pm

    Am here in 2025, this made me laugh out so loud the way you presented the message is so creative and it doesn't tell but it shows which just made understand easier you guys are geniuses 🎉🎉

  2. @Peter_1986

    January 18, 2026 at 6:22 pm

    Fun fact:
    Smooth McGroove never uses autotune.
    Now go listen to some of his videos, and notice how incredibly awesome that a skilled natural singer can sound.

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