This is a for people that have more experience i mean that they have studied. How i open a sound file in a computer program?

Answer 1

You can use
ifstream file("filename", ios_base::in | ios::base::binary);

to open the file and then
int c;
while ((c = file.get()) != EOF)

To read the file byte by byte. Now, what those bytes mean depends on the format of the file (mp3, waw etc.).

Answer 2

I use system openfile and dosen't work so don't put that please