01 / FretLearner
FretLearner.
A desktop app built with my friend for learning the guitar fretboard. Play a note on your guitar and it listens.
it detects pitch in real time using the YIN algorithm, the same approach used in professional
audio software.
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Real pitch detection
YIN algorithm โ works with any guitar and mic
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Adaptive flashcard learning
Configurable reps and rounds, saves progress
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ADSR state machine
Knows when you've finished a note, not just stopped