C++ custom text-to-speech direction -

I wanted to try my hands to scratch text from the speech project to gather the WAV files of various English phonetic sounds After doing this, and learning how to compile a project with audio PlaySound (TEXT ("audio.wav"), NULL, SND_ASYNC); Exe, I have run into the difficult part, I can not even find a practical way to attach the string or the four values ​​to my life, so that when the input text is used, the input The string is read from left to right and the audio correlates with the letters reading it.

Where can I go, or what should I look for that can help me solve this problem or at least take advantage of the next phase?

VisualStudios2012 Express Windows