Guitar Tuner: Pitch Detection for Dummiesby@jeremygustine
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Guitar Tuner: Pitch Detection for Dummies

by Jeremy Gustine14mJuly 6th, 2021
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The ultimate goal is to build a real-time guitar tuner that operates on sound waves picked up through microphones. At the heart of most guitar tuners is some sort of pitch detection algorithm. This post will focus on exploring 3 of those algorithms - zero-crossing, fast fourier transform, and autocorrelation. We will only be concerned with a six-string, standard-tuned guitar. The western musical system has 12 notes, which are along the top row. The frequency of each octave is double the frequency of the previous octave.

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Jeremy Gustine

Jeremy Gustine

@jeremygustine

Plucks strings and writes code.

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Jeremy Gustine@jeremygustine
Plucks strings and writes code.

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