🎵 音樂
音符頻率計算器
Pick a note and octave to get its frequency, MIDI number, and wavelength.
Result will appear here
公式
f = A4 × 2^((MIDI − 69) ÷ 12)
🎵 音樂
Pick a note and octave to get its frequency, MIDI number, and wavelength.
Result will appear here
f = A4 × 2^((MIDI − 69) ÷ 12)