Showing my age here, but the original samples are available too, and in MP3 or WAV format - they're in the installation directory of the game (in case of StarCraft and W3, hidden in a weird pseudo-ZIP data file (used to call it "Virtual File System")). That's where we sourced them from to set them as system sounds, back when Windows versions were still in four digits.

If you're enough of a fan to want to use these voices, chances are you still have the original installation media (or original bootleg copy) somewhere around the house :).

I may or may not have had the ogre finished training clip as my startup "chime"