no4.m

东方红乐曲

s1s1=s1+0.2*s1+0.3*s1;
s2s2=s2+0.2*s2+0.3*s2;
s3s3=s3+0.2*s3+0.3*s3;
s4s4=s4+0.2*s4+0.3*s4;
s5s5=s5+0.2*s5+0.3*s5;
s6s6=s6+0.2*s6+0.3*s6;
s7s7=s7+0.2*s7+0.3*s7;
s8s8=s8+0.2*s8+0.3*s8;
sss=[s1s1,s2s2,s3s3,s4s4,s5s5,s6s6,s7s7,s8s8,s4s4,s5s5,];
sound(sss,8000);