// 哆C	C#	来D	Eb	咪E	发F	F#	嗦G	G#	啦A	Bb	西B

// 暂无用
频率表 = [
  [16.35, 17.32, 18.35, 19.45, 20.60, 21.83, 23.12, 24.50, 25.96, 27.50, 29.14, 30.87], // 0
  [32.70, 34.65, 36.71, 38.89, 41.20, 43.65, 46.25, 49.00, 51.91, 55.00, 58.27, 61.74], // 1
  [65.41, 69.30, 73.42, 77.78, 82.41, 87.31, 92.50, 98.00, 103.8, 110.0, 116.5, 123.5], // 2
  [130.8, 138.6, 146.8, 155.6, 164.8, 174.6, 185.0, 196.0, 207.7, 220.0, 233.1, 246.9], // 3
  [261.6, 277.2, 293.7, 311.1, 329.6, 349.2, 370.0, 392.0, 415.3, 440.0, 466.2, 493.9], // 4
  [523.3, 554.4, 587.3, 622.3, 659.3, 698.5, 740.0, 784.0, 830.6, 880.0, 932.3, 987.8], // 5
  [1047, 1109, 1175, 1245, 1319, 1397, 1480, 1568, 1661, 1760, 1865, 1976], // 6
  [2093, 2217, 2349, 2489, 2637, 2794, 2960, 3136, 3322, 3520, 3729, 3951], // 7
  [4186, 4435, 4699, 4978, 5274, 5588, 5920, 6272, 6645, 7040, 7459, 7902], // 8
]

const 哆 = 0
const 来 = 2
const 咪 = 4
const 发 = 5
const 嗦 = 7
const 嗦_ = 8
const 啦 = 9
const 西 = 11

/* 以 2/4 为例，四分音符为一拍，每小节 2 拍，按每拍 1 秒
那么在曲谱数据中，一小节音长为 8 */
const 短 = 1000 * 60 / 65 / 4

const 默认音阶 = 4

const 默认音符 = 60 // C4