how auto-tune works - tom scott (uk) lyrics
[intro: the gregory brothers]
human voices don’t sing pure tones
they’re stacked with many frequencies
these natural resonating overtones
sound like a single pitch to human ears
[verse: tom scott]
i spent hours trying to understand
how pitch*correction actually works
but my degree’s in linguistics, and i wasn’t prepared
for operations that were this berserk
the secret is math called a “fourier transform”
it takes the frequencies that were intertwined
splits them up, identifies them, isolates them
then software can change them live, in real*time
[outro: the gregory brothers, tom scott]
the newest software can change different notes inside a chord
you can tune pianos, guitars, or choirs
to me, it’s so advanced, it might as well be magic
but it can’t write a song, some talent’s still required
oh yeah, some talent’s still required!
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