C# speech synthisis voice

using System;
using System.Speech.Synthesis;

namespace SampleSynthesis
{
  class Program
  {
    static void Main(string[] args)
    {

      // Initialize a new instance of the SpeechSynthesizer.
      using (SpeechSynthesizer synth = new SpeechSynthesizer())
      {


        synth.SetOutputToDefaultAudioDevice();

        synth.Speak("What is your favorite color?");
      }


    }
  }
}