Pitch

Pitch correction using Fast Foruier Transform [duplicate]

Pitch correction using Fast Foruier Transform [duplicate]
  1. How do you pitch shift with FFT?
  2. What does automatic pitch correction do?

How do you pitch shift with FFT?

To pitch shift with the FFT, one has to shift the frequency content of the signal in the desired direction. This may sound like a trivial task but it is actually rather complicated. Because the heart of the project involves frequency manipulation, it is only natural that the implementation should involve FFTs.

What does automatic pitch correction do?

Auto-Tune is a pitch-correction software developed by Antares that automatically corrects out-of-tune singing; it allows the producer or audio engineer to select a song's key and scale and move the pitch to the nearest note, either manually or automatically, giving complete control over how vocal recordings are ...

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