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tweak to tuner code

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This commit is contained in:
David Westgate 2024-11-15 17:26:41 -08:00
parent 427610578e
commit 9ff4c4466d
1 changed files with 1 additions and 1 deletions
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code/tuner/main.py
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@ -18,7 +18,7 @@ NOTES = "A B♭/A♯ B C D♭/C♯ D E♭/D♯ E F F♯/G♭ G A♭/G♯".split(
# Get the note and octave using known note forumla # Get the note and octave using known note forumla
def calculate_note(frequency): def calculate_note(frequency):
if frequency > 0: if frequency > 0:
note_num = round(math.log2(frequency / 440) * 12) note_num = round(math.log2(frequency / A4) * 12)
octave = math.floor(4 + note_num / 12) octave = math.floor(4 + note_num / 12)
rel_note = note_num % 12 rel_note = note_num % 12
note = NOTES[rel_note] note = NOTES[rel_note]