Tuner

A basic tuner app written mostly in Kotlin. It detects pitch based on autocorrelation and FFT spectrum, improves accuracy by evaluating spectrum phase information and polynomial fitting, shows how pitch changes over time, and tunes to equal temperament. Settings include concert pitch, FFT window size, FFT window type and overlap. Licensed under GPLv3.

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0 shouts Added Sep 23, 2026 codeberg.org
codeberg.org/thetwom/Tuner
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