How to create sound using c and cpp

        #include<iostream.h>

#include<conio.h>

#include<stdio.h>

#include<dos.h>

void main()

{

int i;

char ch;

clrscr();

clrscr();

textcolor(2+BLINK);

textbackground(15);

gotex(20,12);

ccout("press enter to stop");

ch=getch();

while(ch!=13)

{

sound((ch+50)*20);

delay(30);

nosound();

ch=getch();

}

nosound();

}

OUTPUT:

Sound is generated.

PRESS ENTER TO STOP.