Как использовать Microsoft Speech API?

Code:

// Works on NT, 2k, XP, Win9x with SAPI SDK

// reference & Further examples: See links below!

uses Comobj;

procedure TForm1.Button1Click(Sender: TObject);

var

voice: OLEVariant;

begin

voice := CreateOLEObject('SAPI.SpVoice');

voice.Speak('Hello World!', 0);

end;