using System.Speech.Synthesis;
...
 // Initialize a new instance of the SpeechSynthesizer.
      SpeechSynthesizer synth = new SpeechSynthesizer();
      // Configure the audio output. 
      synth.SetOutputToDefaultAudioDevice();
      synth.Speak("I am good how are you?");
solved C# Get Console to (SPEAK) a response [duplicate]