123.bak

c语言发音程序

#include "dos.h" 
void main() 
{ 
int i; 
int m; 
int z; 
int freq1[]={330,392,587,587,392,349,330,330,330,349,392,440,392}; /*int freq1[] 用于存储第一小节音符的频率*/ 
int freq2[]={330,392,587,587,392,349,330,392,392,440,494,523,523} ; /* freq2[]用于存储第二小节频率 */ 
int freq3[]={294,392,392,494,440,392,330,392,523,440,523,587,523,494,494,392}; /* freq3[]存储第三小节频率*/ 



for(i=0;i<13;i++) /*该for循环控制第一小节发声 */ 
{ 
int dur; /*dur存储发声的时间长度 */ 
int n; 
if(i==0||i==3||i==6) /*数组中0,3,6号单元发声时常为12ms*/ 
dur=12; 
else 
if(i==2||i==5||i==11||i==12) 
dur=24; 
else 
dur=6; 

sound(freq1[i]); /*发出声音*/ 
n=dur+clock(); /*用clock()控制发声的时间*/ 
while(n>clock()); 
nosound(); 
} 

for(m=0;m<13;m++) /*该for循环控制第二小节发声*/ 
{ 
int dur; 
int n; 
if(m==0||m==3||m==6) 
dur=12; 
else 
if(m==2||m==5||m==11||m==12) 
dur=24; 
else 
dur=6; 

sound(freq2[m]); 
n=dur+clock(); 
while(n>clock()); 
nosound(); 
} 

for(z=0;z<16;z++) /*该for循环控制第三小节发声*/ 
{ 
int dur; 
int n; 
if(z==0||z==9||z==6||z==11||z==13) 
dur=12; 
else 
if(z==8||z==15) 
dur=24; 
else 
dur=6; 

sound(freq3[z]); 
n=dur+clock(); 
while(n>clock()); 
nosound(); 
} 
}