Matlab音乐合成大作业，满分课程设计系统，附系统报告！

import json idx = { 0: 0, 1: 1, 2: 3, 3: 5, 4: 6, 5: 8, 6: 10, 7: 12 } base = 18 loveu = "1,0.25 1,0.25 \ 1,0.25 1,0.25 1,0.25 1,0.25 1,0.5 1,0.25 6_,0.75 1,0.5 0,0.75 1,0.25 \ 5_,0.25 5_,0.25 5_,0.25 5_,0.25 2,0.5 7_,0.25 1,0.75 5_,0.5 0,0.5 5_,0.25 1,0.25 \ 1,0.25 1,0.5 1,0.25 3,0.5 1,0.25 1,0.75 6_,0.5 0,0.5 6_,0.5 \ 5_,0.25 5_,0.25 5_,0.25 5_,0.25 2,0.5 7_,0.25 1,1.25 3_,0.5 4_,0.5 \ 5_,1 1,1 7_,0.5 7_,0.5 6_,0.5 6_,0.25 6_,0.75 \ 5_,0.5 2_,0.5 4_,0.25 4_,0.75 3_,0.5 0,0.5 1_,1 \ 1_,0.5 6_,0.5 7_,0.25 6_,0.75 5_,0.5 0,0.5 3_,0.5 \ 4_,0.5 5_,0.5 6_,0.5 7_,0.25 6_,0.75 5_,0.5 0,1 \ 5_,1 1,0.5 1,0.25 1,0.75 6_,0.5 0,0.5 6_,0.5 \ 5_,0.5 2,0.5 2,0.5 7_,0.25 1,0.75 3,0.5 0,0.5 4,1 \ 4,0.5 3,0.5 3,0.5 1,0.5 6_,0.5 7_,0.5 1,0.25 2,2.25 \ 1,0.5 1,0.5 2,0.5 3,0.5 3,0.5 5,0.5 5,0.25 5,0.75 4,0.5 0,0.5 \ 1,0.5 2,0.5 2,0.5 4,0.5 5,0.25 4,0.75 3,0.5 0,1 \ 1,0.5 1,0.5 3,0.5 4,0.25 3,0.75 2,0.5 6_,0.5 7_,0.5 \ 1,1 3,0.5 4,0.25 3,0.75 2,0.5 0,0.5 5_,0.5 \ 3,1.25 5,0.25 5,0.25 5,0.5 4,0.5 0,0.5 1,0.5 \ 2,0.5 2,0.5 4,0.5 5,0.25 4,0.75 3,0.5 0,0.5 1,0.5 \ 1,0.5 6,0.5 0,0.5 1,0.5 7_,0.5 3,0.5 3,0.25 3,0.75 \ 1,0.5 0,0.5 2,0.25 1,0.75 " dandelion_main = " \ 0,0.5 3,0.5 4,0.5 5,1 \ 5,0.5 5,0.5 5,0.5 0,0.5 6,0.5 7,0.5 1+,2.5 \ 1+,0.5 7,0.5 2+,0.5 6,1 \ 5,0.5 5,0.5 2+,1 1+,0.5 3+,0.5 3+,2.5 \ 1+,0.5 2+,0.5 3+,0.5 3+,1 \ 3+,0.5 4+,0.5 3+,1 2+,0.5 3+,0.5 1+,1.5 \ 0,1 6,0.5 7,0.5 1+,0.5 2+,1 \ 1+,0.5 1+,0.5 6,1 3+,0.5 3+,0.5 2+,2.5 \ 0,0.5 \ 3,0.5 4,0.5 5,1 \ 5,0.5 5,0.5 5,0.5 6,0.5 7,0.5 5,0.25 1+,2.25 \ 1+,0.5 7,0.5 2+,0.5 6,1 \ 5,0.5 5,0.5 2+,1 1+,0.5 3+,0.5 3+,2.5 \ 1+,0.5 2+,0.5 3+,0.5 3+,1 \ 3+,0.5 4+,0.5 3+,1 2+,0.5 3+,0.5 1+,1.5 \ 0,1 6,0.5 7,0.5 1+,0.5 2+,1 \ 1+,0.5 1+,0.5 6,1 3+,0.5 3+,0.5 2+,2.5 \ 0,0.5 \ 3,0.5 5,0.5 1+,0.5 3+,0.5 \ 3+,1.5 4+,0.5 2+,2 \ 2+,1 5+,0.5 7,0.5 1+,2 \ 3+,0.5 4+,0.5 5+,0.5 1+,0.5 1+,1 2+,0.75 3+,2.25 \ 3,0.5 5,0.5 1+,0.75 3+,0.25 \ 3+,1.5 4+,0.5 2+,2 \ 2+,1 5+,0.5 7,0.5 1+,2 \ 3+,0.5 4+,0.5 5+,0.5 1+,0.5 1+,1 2+,1 \ 1+,4 \ 0,28 \ 0,2.5 \ 3,0.5 4,0.5 5,1 \ 5,0.5 5,0.5 5,0.5 0,0.5 6,0.5 7,0.5 1+,2.5 \ 1+,0.5 7,0.5 2+,0.5 6,1 \ 5,0.5 5,0.5 2+,1 1+,0.5 3+,0.5 3+,2.5 \ 1+,0.5 2+,0.5 3+,0.5 3+,1 \ 3+,0.5 4+,0.5 3+,1 2+,0.5 3+,0.5 1+,1.5 \ 0,1 6,0.5 7,0.5 1+,0.5 2+,1 \ 1+,0.5 1+,0.5 6,1 3+,0.5 3+,0.5 2+,2.5 \ 0,0.5 \ 3,0.5 4,0.5 5,1 \ 5,0.5 5,0.5 5,0.5 6,0.5 7,0.5 5,0.25 1+,2.25 \ 1+,0.5 7,0.5 2+,0.5 6,1 \ 5,0.5 5,0.5 2+,1 1+,0.5 3+,0.5 3+,2.5 \ 1+,0.5 2+,0.5 3+,0.5 3+,1 \ 3+,0.5 4+,0.5 3+,1 2+,0.5 3+,0.5 1+,1.5 \ 0,1 6,0.5 7,0.5 1+,0.5 2+,1 \ 1+,0.5 1+,0.5 6,1 3+,0.5 3+,0.5 2+,2.5 \ 0,0.5 \ 3,0.5 5,0.5 1+,0.5 3+,0.5 \ 3+,1.5 4+,0.5 2+,2 \ 2+,1 5+,0.5 7,0.5 1+,2 \ 3+,0.5 4+,0.5 5+,0.5 1+,0.5 1+,1 2+,0.75 3+,2.25 \ 3,0.5 5,0.5 1+,0.75 3+,0.25 \ 3+,1.5 4+,0.5 2+,2 \ 2+,1 5+,0.5 7,0.5 1+,2 \ 3+,0.5 4+,0.5 5+,0.5 1+,0.5 1+,1 2+,1 \ 1+,2 6+,0.5 5+,0.5 3+,0.5 2+,0.5 \ 3+,1.5 4+,0.5 2+,2 \ 6+,1 5+,0.5 7,0.5 1+,2 \ 3+,0.5 4+,0.5 5+,0.5 1+,0.5 1+,1 2+,0.5 3+,0.5 \ 3+,2 3,0.5 5,0.5 1+,0.75 3+,0.25 \ 3+,1.5 2+,0.5 2+,2 \ 2+,1 5+,0.5 7,0.5 1+,2 \ 3+,0.5 4+,0.5 5+,0.5 1+,0.5 1+,1 2+,1 \ 1+,4" dandelion_accomp1 = "0,2 1_,0.5 5_,0.5 3,1 7__,0.5 5_,0.5 2,1 \ 6__,0.5 3_,0.5 1,1 3_,1 7_,1 \ 4__,0.5 1_,0.5 6_,1 5__,0.5 2_,0.5 7_,1 \ 5_,1 3_,1 6_,1 1,1 \ 3_,1 2,1 3,1 5,1 \ 6__,0.5 3_,0.5 5_,0.5 3_,0.5 4__,0.5 3_,0.5 6_,0.5 3_,0.5 \ 4__,0.5 1_,0.5 6_,1 2__,0.5 6__,0.5 4_,1 \ 5__,0.5 2_,0.5 5_,1 \ 5__,1 5__,0.5 1_,0.5 5_,0.5 2,0.5 3,0.5 7__,0.5 5_,0.5 7_,0.5 2,0.5 \ 6__,0.5 3_,0.5 1,1 3_,1 7_,1 \ 4__,0.5 1_,0.5 6_,1 5__,1 2_,0.5 7_,1 \ 5_,1 3_,1 6_,1 1,1 \ 3_,1 2,1 3,1 5,1 \ 6__,0.5 3_,0.5 5_,0.5 3_,0.5 4__,0.5 3_,0.5 6_,0.5 3_,0.5 \ 4__,0.5 1_,0.5 6_,1 2__,0.5 6__,0.5 4_,1 \ 5__,0.5 2_,0.5 5_,1 \ 4_,1 5__,1 \ 4__,0.5 1_,0.5 4_,0.5 1_,0.5 4__,0.5 2_,0.5 7_,0.5 2_,0.5 \ 3__,0.5 7__,0.5 5_,0.5 7__,0.5 6__,0.5 3_,0.5 1,0.5 3_,0.5 \ 4__,0.5 1_,0.5 6_,0.5 4__,0.5 4_,0.5 2_,0.5 5_,0.5 5__,0.5 \ 1__,0.5 5_,0.5 2,0.5 5_,0.5 1__,1 1__,1 \ 4__,0.5 1_,0.5 4_,0.5 1_,0.5 4__,0.5 2_,0.5 7_,0.5 2_,0.5 \ 3__,0.5 7__,0.5 5_,0.5 7__,0.5 6__,0.5 3_,0.5 1,0.5 3_,0.5 \ 4__,0.5 1_,0.5 6_,0.5 4__,0.5 4_,0.5 2_,0.5 5_,1 \ 2+,0.25 2,0.25 5,0.25 2+,0.25 1+,0.5 3,0.25 1+,0.25 7,0.25 2,0.25 3,0.25 7,0.25 1+,0.25 2,0.25 3,0.25 1+,0.25 \ 2+,0.25 2,0.25 5,0.25 2+,0.25 1+,0.25 3,0.25 5,0.25 1+,0.25 7,0.25 2,0.25 3,0.25 7,0.25 1+,0.25 2,0.25 3,0.25 1+,0.25 \ 3+,0.25 4,0.25 6,0.25 3+,0.25 2+,0.25 4,0.25 6,0.25 2+,0.25 1+,0.25 4,0.25 6,0.25 1+,0.25 2+,0.25 4,0.25 6,0.25 2+,0.25 \ 3+,0.25 4,0.25 6,0.25 3+,0.25 2+,0.25 4,0.25 6,0.25 2+,0.25 4+,0.25 4,0.25 5,0.25 4+,0.25 3+,0.25 4,0.25 5,0.25 3+,0.25 \ 2+,0.25 2,0.25 5,0.25 2+,0.25 1+,0.5 3,0.25 1+,0.25 7,0.25 2,0.25 3,0.25 7,0.25 1+,0.25 2,0.25 3,0.25 1+,0.25 \ 2+,0.25 2,0.25 5,0.25 2+,0.25 1+,0.25 3,0.25 5,0.25 1+,0.25 7,0.25 2,0.25 3,0.25 7,0.25 1+,0.25 2,0.25 3,0.25 1+,0.25 \ 3+,0.25 4,0.25 6,0.25 3+,0.25 2+,0.25 4,0.25 6,0.25 2+,0.25 1+,0.25 4,0.25 6,0.25 1+,0.25 2+,0.25 4,0.25 6,0.25 2+,0.25 \ 3+,0.25 4,0.25 6,0.25 3+,0.25 2+,0.25 4,0.25 6,0.25 2+,0.25 4+,0.25 4,0.25 5,0.25 4+,0.25 3+,0.25 4,0.25 5,0.25 3+,0.25 \ 1+,2.5 \ 0,1.5 1_,0.5 5_,0.5 3,1 7__,0.5 5_,0.5 2,1 \ 6__,0.5 3_,0.5 1,1 3_,1 7_,1 \ 4__,0.5 1_,0.5 6_,1 5__,0.5 2_,0.5 7_,1 \ 5_,1 3_,1 6_,1 1,1 \ 3_,1 2,1 3,1 5,1 \ 6__,0.5 3_,0.5 5_,0.5 3_,0.5 4__,0.5 3_,0.5 6_,0.5 3_,0.5 \ 4__,0.5 1_,0.5 6_,1 2__,0.5 6__,0.5 4_,1 \ 5__,0.5 2_,0.5 5_,1 \ 5__,1 5__,0.5 1_,0.5 5_,0.5 2,0.5 3,0.5 7__,0.5 5_,0.5 7_,0.5 2,0.5 \ 6__,0.5 3_,0.5 1,1 3_,1 7_,1 \ 4__,0.5 1_,0.5 6_,1 5__,1 2_,0.5 7_,1 \ 5_,1 3_,1 6_,1 1,1 \ 3_,1 2,1 3,1 5,1 \ 6__,0.5 3_,0.5 5_,0.5 3_,0.5 4__,0.5 3_,0.5 6_,0.5 3_,0.5 \ 4__,0.5 1_,0.5 6_,1 2__,0.5 6__,0.5 4_,1 \ 5__,0.5 2_,0.5 5_,1 \ 4_,1 5__,1 \ 4__,0.5 1_,0.5 4_,0.5 1_,0.5 4__,0.5 2_,0.5 7_,0.5 2_,0.5 \ 3__,0.5 7__,0.5 5_,0.5 7__,0.5 6__,0.5 3_,0.5 1,0.5 3_,0.5 \ 4__,0.5 1_,0.5 6_,0.5 4__,0.5 4_,0.5 2_,0.5 5_,0.5 5__,0.5 \ 1__,0.5 5_,0.5 2,0.5 5_,0.5 1__,1 1__,1 \ 4__,0.5 1_,0.5 4_,0.5 1_,0.5 4__,0.5 2_,0.5 7_,0.5 2_,0.5 \ 3__,0.5 7__,0.5 5_,0.5 7__,0.5 6__,0.5 3_,0.5 1,0.5 3_,0.5 \ 4__,0.5 1_,0.5 6_,0.5 4__,0.5 4_,0.5 2_,0.5 5_,1 \ 1_,1 1_,0.5 1_,0.5 6__,1 1__,0.5 1_,0.25 1__,0.25 \ 4__,0.5 1_,0.5 4_,0.5 1_,0.5 4__,0.5 2_,0.5 7_,0.5 2_,0.5 \ 3__,0.5 7__,0.5 5_,0.5 7__,0.5 6__,0.5 3_,0.5 1,0.5 3_,0.5 \ 4__,0.5 1_,0.5 6_,0.5 4__,0.5 4_,0.5 2_,0.5 5_,0.5 5__,0.5 \ 1__,0.5 5_,0.5 2,0.5 5_,0.5 1__,1 1__,1 \ 4__,0.5 1_,0.5 4_,0.5 1_,0.5 4__,0.5 2_,0.5 7_,0.5 2_,0.5 \ 3__,0.5 7__,0.5 5_,0.5 7__,0.5 6__,0.5 3_,0.5 1,0.5 3_,0.5 \ 4__,0.5 1_,0.5 6_,0.5 4__,0.5 4_,0.5 2_,0.5 5_,1 \ 1_