規格毎のノーとナンバーと周波数
from https://www.midi.org/articles/microtuning-and-alternative-intonation-systems
MIDI Note Number-Hertz-Cents and Octave Table
MIDI Note Number-Hertz-Cents and Octave Table
from https://www.midi.org/articles/microtuning-and-alternative-intonation-systems