using Microsoft.Speech.Synthesis;

static SpeechSynthesizer voice;
    static SoundPlayer player = new SoundPlayer();

    public Form1()
    {
        InitializeComponent();
        voice = new SpeechSynthesizer();
        foreach (InstalledVoice speech in voice.GetInstalledVoices())
        {
            VoiceInfo info = speech.VoiceInfo;
            label1.Text = info.Name;
        }
    }

      private static void tts_SpeakCompleted(object sender, SpeakCompletedEventArgs e)
    {
        player.Stream.Position = 0;
        player.Play();
    }

    public static void Speak(string text)
    {
        player.Stream = new System.IO.MemoryStream();
        voice.SetOutputToWaveStream(player.Stream);
        voice.SpeakAsync(text);
    }
        private void button1_Click(object sender, EventArgs e)
    {
        using (voice = new SpeechSynthesizer())
        {
            voice.SelectVoice("Microsoft Server Speech Text to Speech Voice (ko-KR, Heami)");


            voice.SpeakCompleted += new EventHandler<SpeakCompletedEventArgs>(tts_SpeakCompleted);
            Speak("안녕하세요. 제 이름은 황정우입니다. 잘부탁합니다.");
        }
    }